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05 Subtypes in PL SQL
 
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Oracle PL/SQL Tutorial - A Comprehensive Training Course https://www.youtube.com/channel/UCXLir0qvG4xDmgLtGZBd8qg
Views: 439 Satyam Rai
PL/SQL tutorial 37: User Defined Record Datatype variable By Manish Sharma
 
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Learn What are User Defined Record Datatype variable and How To Create User Defined Record Datatype variable in Oracle Database By Manish Sharma from RebellionRider.com ------------------------------------------------------------------------ ►►►LINKS◄◄◄ Blog : http://bit.ly/User-defined-record Previous Tutorial ►Anchored Datatype Variable: https://youtu.be/Zt0vlmTqhP4 ► ------------------------------------------------------------------------- ►►►Let's Get Free Uber Cab◄◄◄ Use Referral Code UberRebellionRider and get $20 free for your first ride. ------------------------------------------------------------------------- ►Make sure you SUBSCRIBE and be the 1st one to see my videos! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ►►►Find me on Social Media◄◄◄ Follow What I am up to as it happens on https://twitter.com/rebellionrider https://www.facebook.com/imthebhardwaj http://instagram.com/rebellionrider https://plus.google.com/+Rebellionrider http://in.linkedin.com/in/mannbhardwaj/ http://rebellionrider.tumblr.com/ http://www.pinterest.com/rebellionrider/ ___Facebook Official Page___ https://www.facebook.com/RebellionRider.official/ You can also Email me at for E-mail address please check About section Please please LIKE and SHARE my videos it makes me happy. Thanks for liking, commenting, sharing and watching more of our videos This is Manish from RebellionRider.com ♥ I LOVE ALL MY VIEWERS AND SUBSCRIBERS
Views: 20167 Manish Sharma
Video 3: Supertype/subtype Hierarchies
 
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Supertype/subtype hierarchies alllow you to model attributes common to some entities, but also model their differences as well. The approach allows you to differentiate by relationships as well, making supertype/subtype very useful in modeling an organization's reality.
Views: 22649 Mark Serva
Creating Logical models using SQL Developer Data Modeler
 
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In this video, I will show you how to create Logical, Relational and Physical Model using Oracle SQL Developer Data Modeler with ER diagram as input. I will also show you how to create sub/super-types .
Views: 46143 BHARAT KHANNA
Oracle Object Type Inheritance
 
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A simple demonstration on how to make use of the inheritance feature in the Oracle Object type environment.
Views: 1529 thehighway360
Using Type Hierarchy Data in the Oracle Solaris Studio IDE
 
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Learn how to use type hierarchy data to inspect all subtypes or supertypes of a class through this audio-less screencast. The Oracle Solaris Studio IDE is specifically optimized for enterprise C, C++ applications and helps improve developer productivity and reduce time to deliver applications. Download a free copy and learn more about Oracle Solaris Studio at: http://www.oracle.com/technetwork/server-storage/solarisstudio/overview/index.html Copyright © 2014 Oracle and/or its affiliates. Oracle® is a registered trademark of Oracle and/or its affiliates. All rights reserved. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the "Materials"). The Materials are provided "as is" without any warranty of any kind, either express or implied, including without limitation warranties of merchantability, fitness for a particular purpose, and non-infringement.
What are Subtypes?
 
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Introduction of the concept of subtype to enable the use of an existing attribute with a change of name, and a usage example where from a flights transaction we must record the departure airport and the arrival airport.
Views: 306 GeneXus™
Supertype Subtype Relationships
 
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Hw.
Views: 2297 Fabio A
Create Custom Item Textarea Attribute - Oracle Advanced Product Catalog
 
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Oracle Advanced Product Catalog module supports unlimited custom item attributes. In this tutorial you will learn how to create a custom item attribute of type "text area". http://oracleappscommunity.com/oracle/blog/112/create-custom-item-attribute-text-area/
Views: 325 Oracleappscommunity
Adding Custom Datatypes to Oracle SQL Developer Data Modeler (SDDM)
 
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In this video, Kent Graziano, The Data Warrior, will show you how to easily add a new user-defined data type to your Oracle SQL Developer Data Modeler installation. This will let you define and model a Snowflake table with a VARIANT column, but can be used for any new data type you need to add. For additional detail see his blog post here: https://www.snowflake.net/customizing-oracle-sddm-to-support-snowflake-variant/
Views: 1168 Snowflake Computing
SQL3 How to Create Table
 
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Learn Mysql in queries in easy and simple way. Next video will be https://youtu.be/B3hD2T9zD98
Views: 34 Just Aquib
Type Hierarchy - Closure IDE
 
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Describes how to explore the tree of inheritance of your JavaScript code and use Type Hierarchy View in Closure IDE. Learn more about Closure IDE: http://digi-area.com/ClosureIDE/ Closure IDE for open source projects: http://digi-area.com/ClosureIDE/opensource.php
Views: 95 DigiArea
Entity, Entity Type, Entity Set | Database Management System
 
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This lecture explains the basic concepts of Entity, Entity Type, and Entity Set. To ask your doubts on this topic and much more, click on this Direct Link: http://www.techtud.com/video-lecture/lecture-entity-entity-type-entity-set IMPORTANT LINKS: 1) Official Website: http://www.techtud.com/ 2) Virtual GATE(for 'All India Test Series for GATE-2016'): http://virtualgate.in/login/index.php Both of the above mentioned platforms are COMPLETELY FREE, so feel free to Explore, Learn, Practice & Share! Our Social Media Links: Facebook Page: https://www.facebook.com/techtuduniversity Facebook Group: https://www.facebook.com/groups/virtualgate/ Google+ Page: https://plus.google.com/+techtud/posts Last but not the least, SUBSCRIBE our YouTube channel to stay updated about our regularly uploaded new videos.
Views: 70867 Techtud
Oracle Core, Лекция 5
 
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Ссылка на файл с презентацией: https://docs.google.com/presentation/d/1xANFkC3tkFdby_HIFEEwtqInJqKlgx4ykiIbarK1EPE/edit?usp=sharing (презентация может быть с анимацией) Ссылка на краткий конспект лекции: https://docs.google.com/document/d/1x80R-XlWBI_zFzNN2JMmby2wIvBb7jnfshn9axNXEKs/edit?usp=sharing 1. Общие сведения, история возникновения PL/SQL 2. Среда исполнения 3. Структура PL/SQL блока (declare, begin, exception, end). Именованные/неименованные (анонимные) блоки pl/sql. Вложенные блоки pl/sql 4. Набор разрешенных символов. Требования к именованию идентификаторов. Представление v$reserved_words 5. Арифметические операторы. Логические операторы отношения. 6. Комментарии и метки 7. Основные типы и структуры данных (скалярный, составной, ссылка, lob) 8. Значение null 9. Числовые типы: Number, Number(n), Number(n, m), Pls_Integer/Binary_Integer, Binary_Float, Binary_Double, Natural, Naturaln, Positive, Positiven, Signtype, Simple_Integer, Simple_Float, Simple_Double) 10. Строковые типы: Char, Varchar2, NChar, NVarchar2, Raw, Long, Long Raw 11. Rowid и Urowid 12. Операции со строками. Взаимодействие строк со значением Null 13. Типы для моментов и интервалов времени: Date, Timestamp, Interval. Возможные операции 14. Тип Boolean 15. Типы Lob: BFile, BLob, CLob, NCLob 16. Объявление переменных и констант 17. Составные и динамические типы: Record, %RowType, %Type 18. Пользовательские подтипы Subtype 19. Выражения 20. Функции для работы с NULL: Decode, Nvl, Nvl2, Coalesce 21. Преобразование типов явное и неявное. 22. Таблица неявного преобразования типов. 23. Таблица явного преобразования типов 24. Основные управляющие структуры 25. Конструкция IF...THEN..ELSIF...ELSE 26. Конструкция выбора по условию CASE (простой и с поиском) 27. Циклы Loop... end loop, While loop, For loop, цикл по курсору 28. Оператор Goto Oracle Database, БД Oracle, вебинар Oracle, презентация Oracle, урок Oracle, лекция Oracle, обучение Oracle
Visio Subtype Supertype Modeling
 
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A video demonstration of using Microsoft Visio to model a subtype supertype relationships as part of a generalized hierarchy or specialization hierarchy in a conceptual data model.
Views: 38447 TheITProfessor
023 Developing subtypes and supertypes
 
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LearnTube.xyz
Views: 749 Learn Tube
Subtypes
 
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This video introduces subtypes and how they allow us to indicate GeneXus how to associate different attribute names with a single concept, and change the relationships established between transactions or tables in the knowledge base.
Views: 1364 GeneXus™
Using categories to organize your models in Toad Data Modeler
 
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https://www.quest.com/products/toad-data-modeler/ When working with large models, it may be helpful to quickly identify certain type of entities. You can accomplish this in Toad Data Modeler with categories.
Views: 223 Quest
Every VARCHAR2(N) Declaration a Bug!? (HC-4)
 
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That's right. VARCHAR2 declarations mean that you have to provide an "N" or constraint on the size of the variable. If you have such declarations all over your code, that's a form of hard-coding and you are likely to get hammered by VALUE_ERROR exceptions. This video shows you how to fix this problem, focusing in on the very helpful SUBTYPE feature of PL/SQL. ============================ Practically Perfect PL/SQL with Steven Feuerstein Copyright © 2015 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Database - ATTRIBUTES [ types explained ]
 
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Database - ATTRIBUTES [ types explained ]
How to Model Sub-Type in Entity Relationship Diagram?
 
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This video shows you how to model ISA relationship in an entity relationship diagram (ERD), like the way generalization is modeled in a UML class diagram. Visual Paradigm: https://www.visual-paradigm.com/ Try Visual Paradigm FREE: https://www.visual-paradigm.com/download/
Views: 3025 VisualParadigm
Visio 2013 - Database DIagram (Crows Foot Notation)
 
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This video demonstrates using Crow's Foot Notation to create a database diagram using MS Visio 2013.
Views: 42450 Brian Green
HOW TO GENERATE E WAY BILL(DETAILED)
 
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Here is a step by step Guide to Generate E-Way Bill (EWB-01) online: Step 1: Login to e-way bill system. Enter the Username, password and Captcha code, Click on ‘Login’ E-way bills Step 2: Click on ‘Generate new’ under ‘E-waybill’ option appearing on the left-hand side of the dashboard. 1) Transaction Type: Select ‘Outward’ if you are a supplier of consignment Select ‘Inward’ if you are a recipient of consignment. 2) Sub-type: Select the relevant sub-type applicable to you: If transaction type selected is Outward, following subtypes appear: f transaction type selected is Inward, following subtypes appear: ote: SKD/CKD- Semi knocked down condition/ Complete knocked down condition 3) Document type: Select either of Invoice / Bill/ challan/ credit note/ Bill of entry or others if not Listed 4) Document No. : Enter the document/invoice number 5) Document Date: Select the date of Invoice or challan or Document. Note: The system will not allow the user to enter the future date. 6) From/ To: Depending on whether you are a supplier or a recipient, enter the To / From section details. Note: If the supplier/client is unregistered, then mention ‘URP’ in the field GSTIN, indicating that the supplier/client is an ‘Unregistered Person’. 7) Item Details: Add the details of the consignment (HSN code-wise) in this section: Product name Description HSN Code Quantity, Unit, Value/Taxable value Tax rates of CGST and SGST or IGST (in %) Tax rate of Cess, if any charged (in %) Note: On the implementation of E-way bills, Based on the details entered here, corresponding entries can also be auto-populated in the respective GST Return while filing on GST portal. 8) Transporter details: The mode of transport(Road/rail/ship/air) and the approximate distance covered (in KM) needs to be compulsorily mentioned in this part. Apart from above, Either of the details can be mentioned: Transporter name, transporter ID, transporter Doc. No. & Date. OR Vehicle number in which consignment is being transported. Format: AB12AB1234 or AB12A1234 or AB121234 or ABC1234
Views: 738172 TAX MITRA
كورس SQL بالعربي-الدرس التاسع- supertype and subtypes and inheritance
 
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كورسات البرمجة بالعربي-ITI للمزيد من المعلومات والاسئلة يرجي زياره جروب القناة: https://www.facebook.com/groups/mobarmgofficial الصفحة الرسمية للقناه : https://www.facebook.com/mobarmgofficial/
Views: 1207 Mobarmg
How to create Virtual Columns in Oracle Database
 
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How to create Virtual Columns in Oracle Database 12c When queried, virtual columns appear to be normal table columns, but their values are derived rather than being stored on disc. The syntax for defining a virtual column is listed below. column_name [datatype] [GENERATED ALWAYS] AS (expression) [VIRTUAL] If the datatype is omitted, it is determined based on the result of the expression. The GENERATED ALWAYS and VIRTUAL keywords are provided for clarity only. The script below creates and populates an employees table with two levels of commission. It includes two virtual columns to display the commission-based salary. The first uses the most abbreviated syntax while the second uses the most verbose form. CREATE TABLE employees ( id NUMBER, first_name VARCHAR2(10), last_name VARCHAR2(10), salary NUMBER(9,2), comm1 NUMBER(3), comm2 NUMBER(3), salary1 AS (ROUND(salary*(1+comm1/100),2)), salary2 NUMBER GENERATED ALWAYS AS (ROUND(salary*(1+comm2/100),2)) VIRTUAL, CONSTRAINT employees_pk PRIMARY KEY (id) ); INSERT INTO employees (id, first_name, last_name, salary, comm1, comm2) VALUES (1, 'JOHN', 'DOE', 100, 5, 10); INSERT INTO employees (id, first_name, last_name, salary, comm1, comm2) VALUES (2, 'JAYNE', 'DOE', 200, 10, 20); COMMIT; Querying the table shows the inserted data plus the derived commission-based salaries. SELECT * FROM employees; ID FIRST_NAME LAST_NAME SALARY COMM1 COMM2 SALARY1 SALARY2 ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- 1 JOHN DOE 100 5 10 105 110 2 JAYNE DOE 200 10 20 220 240 2 rows selected. SQL The expression used to generate the virtual column is listed in the DATA_DEFAULT column of the [DBA|ALL|USER]_TAB_COLUMNS views. COLUMN data_default FORMAT A50 SELECT column_name, data_default FROM user_tab_columns WHERE table_name = 'EMPLOYEES'; COLUMN_NAME DATA_DEFAULT ------------------------------ -------------------------------------------------- ID FIRST_NAME LAST_NAME SALARY COMM1 COMM2 SALARY1 ROUND("SALARY"*(1+"COMM1"/100),2) SALARY2 ROUND("SALARY"*(1+"COMM2"/100),2) 8 rows selected. SQL Notes and restrictions on virtual columns include: 1)Indexes defined against virtual columns are equivalent to function-based indexes. 2)Virtual columns can be referenced in the WHERE clause of updates and deletes, but they cannot be manipulated by DML. 3)Tables containing virtual columns can still be eligible for result caching. 4)Functions in expressions must be deterministic at the time of table creation, but can subsequently be recompiled and made non-deterministic without invalidating the virtual column. In such cases the following steps must be taken after the function is recompiled: a)Constraint on the virtual column must be disabled and re-enabled. b)Indexes on the virtual column must be rebuilt. c)Materialized views that access the virtual column must be fully refreshed. d)The result cache must be flushed if cached queries have accessed the virtual column. e)Table statistics must be regathered. 5)Virtual columns are not supported for index-organized, external, object, cluster, or temporary tables. 6)The expression used in the virtual column definition has the following restrictions: a.It cannot refer to another virtual column by name. b.It can only refer to columns defined in the same table. c.If it refers to a deterministic user-defined function, it cannot be used as a partitioning key column. e.The output of the expression must be a scalar value. It cannot return an Oracle supplied datatype, a user-defined type, or LOB or LONG RAW.
Views: 425 OracleDBA
Creating loops in a oracle data integrator 11g package v1
 
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Get Certified in ODI: It's my birthday month, and I'd like you to join me in celebrating. I'm offering my ODI 11g Hands on Video Tutorials course with 3 Practice tests to get certified in ODI for 50% off The price is approx 5799 rupees ($99) after discount. Please use the below link to get 50% discount https://www.udemy.com/odi11gvideos/?couponCode=ODIGURU Please contact for online ODI training [email protected] www.odigurus.com
Oracle SQL Developer Data Modeler  How to Create a SubView
 
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Oracle SQL Developer Data Modeler allows you to break up your very large models into smaller sub-models - these are known as SubViews. This one minute video shows you how to quickly create a new SubView for a set of selected tables or entities. Copyright © 2013 Oracle and/or its affiliates. Oracle® is a registered trademark of Oracle and/or its affiliates. All rights reserved. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the "Materials"). The Materials are provided "as is" without any warranty of any kind, either express or implied, including without limitation warranties of merchantability, fitness for a particular purpose, and non-infringement.
Scalar Data Types 13
 
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Please watch: "Install Oracle Database 12c Release 2 on Windows 10 Professional 64 bit" https://www.youtube.com/watch?v=5705VFJmku0 -~-~~-~~~-~~-~-
Views: 83 Solution Wizard
PPL Lecture 8: Language Properties Elementary Data Type Scalar Data Type & Composite Vishwakara Ji
 
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PPL: Language Properties Elementary Data Type part-2 Scalar Data Type & Composite Type Array String Pointer Vishwakarma Ji Namaskar, Today i am giving video lecture on Elementary Data Type-2 Scalar and Composite Data Type in Principle of programming language Unit-2 I am Sandeep Vishwakarma from Raj Kumar Goel Institute of Technology Ghaziabad. I have started a YouTube Channel Namely “Vishwakarma Ji” Teaching Training and Informative. On This channel I am providing following services 1 . Teaching: Video Lecture of B.Tech./ M.Tech. Technical Subject who provide you deep knowledge of particular subject. 2. Training: Video Playlist of Some software course like Android, Hadoop, Big Data, IoT, R programming, Python, C programming, Java etc. 3. Informative: On this Section we provide video on deep knowledge of upcoming technology, Innovation, tech news and other informative. Teaching: Principle of Programming Language 1. Lambda Calculus Numerical Full Explanation https://www.youtube.com/watch?v=ChV9Lm1kuoE 2. Principle of Programming Language Lecture in Hindi https://www.youtube.com/watch?v=EYZ_A-Q3_pw&t=26s 3 .Lambda Calculus Tutorial for beginners in PPL hindi https://www.youtube.com/watch?v=yj9_tlnHZaA&t=17s 4. IEEE 754 Floating Point Representation part-1 https://youtu.be/KCdJ4zxPwjQ 5. IEEE 754 Floating Point Representation part-2 https://youtu.be/hFUY16YMoQI 6. Lambda calculus Alpha, Beta ,Eta Reduction https://youtu.be/4IOmdtSnERI 7.Lambda Calculus Simply Type and Subtype https://youtu.be/iKzvaWyX4bU 8. Programming Language Paradigms (Types of Programming Language ) https://youtu.be/DyxCU_eqGYI 9. Programming Language Paradigms Imperative Functional Rule based and OOPs https://youtu.be/DyxCU_eqGYI 10.Programming Language Description|Syntactic Structure|Semantics|Lexical|CFG Grammar https://youtu.be/qFIrC7xwDzM 10.PPL Principle of Programming Language Translation Issue:Syntax ,Translation https://youtu.be/lrS9D5ufpL0 11.Language Translation Issue: Stages In Translator https://youtu.be/JZP66AnFaP0 12 Modeling Language Properties:-Chomsky hierarchy, Undecidability https://youtu.be/7mLeepADVfk 13. Language Properties -Elementary Data Type Part-1 https://youtu.be/wzUj_TA7iFI Training:Mobile App Development Lecture Series Environment Setup of Android Stidio DOWNLOAD SOFTWARE : 1. JDK 9.0.1 http://www.oracle.com/technetwork/java/javase/downloads/jdk9-downloads-3848520.html 2. Android Studio 3.0 https://developer.android.com/studio/index.html Part 1:Introduction Of Android https://youtu.be/QTzb68rUgnk Part 2: Features of Android https://youtu.be/ZqPNszlPRRk Part 3: Core Component of Android https://youtu.be/L_KICeZ78CU Part 4: Advanced Component of Android https://youtu.be/D-zU2-MoRrQ Part 5: Android Studio 3.0 and JDK installation. https://youtu.be/-GtAJety-1g Part 6: Hello World App https://youtu.be/A-gEitgwBJw Informative: 1. Project Loon Killer of All 2G,3G,4G,broadband https://www.youtube.com/watch?v=kY0R- 2. Smartphone as Webcam via USB, WiFi and CCTV in Hindi 100% Working https://www.youtube.com/watch?v=NgrggWM-JuM&t=75s 3.How TrueCaller Works?? What is CrowdSourcing? https://youtu.be/By66DJODkbU 4.eSim ? Future of eSim| eSim in India| https://youtu.be/aDBy3_WSomo Other: 1. Vaishno Devi Darshan and Bhairav Nath Darshan https://youtu.be/8JlvTIGVYaA dounload noted in PDF by following link PPL Full Notes Unit:1 https://drive.google.com/open?id=0B1II1I5jFCv3TnRDdVdxTmUyUlk Unit 2: https://drive.google.com/open?id=0B1II1I5jFCv3eU5vc2c5Ui1xVGs Unit 3: https://drive.google.com/open?id=0B1II1I5jFCv3MllERDF2NDMzSnc Unit: 4 https://drive.google.com/open?id=0B1II1I5jFCv3T3lWSk0tTW4zbWM https://drive.google.com/open?id=0B1II1I5jFCv3THVSTWdZTEllU2M https://drive.google.com/open?id=0B1II1I5jFCv3ejhtRTd3aTlfZHc Unit:5 https://drive.google.com/open?id=0B1II1I5jFCv3NWM5RVZ6RW9TSHM Regards Vishwakarma Ji Vishwakarmaji YouTube: https://www.youtube.com/c/VishwakarmaJi Google+: https://plus.google.com/+VishwakarmaJi Facebook: https://www.facebook.com/VishwakarmaJi85/ Twitter https://twitter.com/VishwakarmaJi85 Instagram https://www.instagram.com/vishwakarmaji85/ Google+: https://plus.google.com/+VishwakarmaJi
Views: 3432 University Academy
Part 12   Single table inheritance   saving to database
 
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Link for all dot net and sql server video tutorial playlists http://www.youtube.com/user/kudvenkat/playlists Link for slides, code samples and text version of the video http://csharp-video-tutorials.blogspot.com/2014/09/part-12-single-table-inheritance-saving.html In Part 11, we discussed creating a single table inheritance model and retrieving data. In this video we will discuss saving data to the database table using the single table inheritance model. We will continue with the example we worked with in Part 11. Drag and drop a button control on the webform and set the following properties ID="btnAddEmployees" Text="Add Employees" Double click on the button control to generate the click event handler. Copy and paste the following code in the code-behind file. protected void btnAddEmployees_Click(object sender, EventArgs e) { using (SampleDataContext dbContext = new SampleDataContext()) { // Compiler Error : Cannot create an instance of abstract class // Employee employee = new Employee(); PermanentEmployee permanentEmployee = new PermanentEmployee { Name = "Emma", Gender = "Female", AnuualSalary = 65000 }; ContractEmployee contractEmployee = new ContractEmployee { Name = "Kristie", Gender = "Female", HourlyPay = 50, HoursWorked = 80 }; dbContext.Employees.InsertOnSubmit(permanentEmployee); dbContext.Employees.InsertOnSubmit(contractEmployee); dbContext.SubmitChanges(); } } Run the application and click "Add Employees" button Please note: 1. Since Employee is an abstract class, an instance of this class cannot be created. 2. The Discriminator column in the database is updated depending on the type of the employee object (PermanentEmployee or ContractEmployee) being instantiated.
Views: 12908 kudvenkat
Visio 2013 Logical Data Models
 
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Logical data models based on Crow's Foot notation with SQL Server 2008 R2 data types
Views: 3549 Jennifer Rosato
Bots: 15. Intelligent Bots Facebook Messenger Support
 
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One of the first messenger platforms Oracle Intelligent Bots support is Facebook Messenger. This video takes you through the steps to configure Oracle Intelligent Bots to work with Facebook Messenger.
Single Table Inheritance Tutorial
 
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This video walks through how to user single table inheritance in a real world Ruby project to improve code quality and remove duplication. I also include a step by step guide for being able to answer interview questions related to STI. Show notes: https://www.crondose.com/2016/07/single-table-inheritance-works/
Views: 2559 edutechional
Associative Entity Demo
 
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Video Demo of Associative Entities in MySQL. Open to anyone interested in RDBMS/SQL Associative Entities...and specifically offered to my MINS235 (Database) students to compensate for offending the Demo Deities in class on 2015-11-05.
Views: 1696 Rick Hubbard
ERD 5.0 Relationships
 
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Views: 1044 Raafat Saade
Geodatabase Workflows, Pt 3: Converting Data to Esri .gdb
 
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Article and sample data: https://knowledge.safe.com/articles/19618/writing-to-geodatabase-various-formats-to-geodatab.html?utm_source=youtube&utm_medium=video&utm_campaign=demo-videos Learn how to load data from any format into an Esri Geodatabase. FME lets you create the output Geodatabase from scratch, generate one from an XML workspace document, or load data to an existing Geodatabase. You can also copy domain and subtype definitions, relationships and network information, and annotation symbols between Geodatabases. You'll see a demo that integrates CAD data, KML data, and an Esri Shapefile, performs some transformations on the data, and then loads it all into an Esri Geodatabase using an XML template. To learn more about FME, visit http://www.safe.com/how-it-works/?utm_source=youtube&utm_medium=video&utm_campaign=geodb-videos
Views: 1243 FME Channel
What is WEAK ENTITY? What does WEAK ENTITY mean? WEAK ENTITY meaning, definition & explanation
 
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What is WEAK ENTITY? What does WEAK ENTITY mean? WEAK ENTITY meaning - WEAK ENTITY definition - WEAK ENTITY explanation. Source: Wikipedia.org article, adapted under https://creativecommons.org/licenses/by-sa/3.0/ license. SUBSCRIBE to our Google Earth flights channel - https://www.youtube.com/channel/UC6UuCPh7GrXznZi0Hz2YQnQ In a relational database, a weak entity is an entity that cannot be uniquely identified by its attributes alone; therefore, it must use a foreign key in conjunction with its attributes to create a primary key. The foreign key is typically a primary key of an entity it is related to. In entity relationship diagrams, ER diagrams a weak entity set is indicated by a bold (or double-lined) rectangle (the entity) connected by a bold (or double-lined) type arrow to a bold (or double-lined) diamond (the relationship). This type of relationship is called an identifying relationship and in IDEF1X notation it is represented by an oval entity rather than a square entity for base tables. An identifying relationship is one where the primary key is populated to the child weak entity as a primary key in that entity. In general (though not necessarily) a weak entity does not have any items in its primary key other than its inherited primary key and a sequence number. There are two types of weak entities: associative entities and subtype entities. The latter represents a crucial type of normalization, where the super-type entity inherits its attributes to subtype entities based on the value of the discriminator. In IDEF1X, a government standard for capturing requirements, possible sub-type relationships are: Complete subtype relationship, when all categories are known. Incomplete subtype relationship, when all categories may not be known. A classic example of a weak entity without a sub-type relationship would be the "header/detail' records in many real world situations such as claims, orders and invoices, where the header captures information common across all forms and the detail captures information specific to individual items. The standard example of a complete subtype relationship is the party entity. Given the discriminator PARTY TYPE (which could be individual, partnership, C Corporation, Sub Chapter S Association, Association, Governmental Unit, Quasi-governmental agency) the two subtype entities are PERSON, which contains individual-specific information such as first and last name and date of birth, and ORGANIZATION, which would contain such attributes as the legal name, and organizational hierarchies such as cost centers. When sub-type relationships are rendered in a database, the super-type becomes what is referred to as a base table. The sub-types are considered derived tables, which correspond to weak entities. Referential integrity is enforced via cascading updates and deletes.
Views: 864 The Audiopedia
Pathfinder RPG Race Builder - Vegepygmy
 
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Lesser Vegepygmy (18 RP) Lesser vegepygmy have not inherited the full capabilities of their race. Either weaklings or hybrids, many strike out on their own, to explore the greater world. This is a balanced player character race that can be used with any other core race or standard race in the game. Lesser Vegepygmy Racial Traits +2 Dexterity, +2 Wisdom, -2 Intelligence: Vegepygmy are fast and insightful but relatively dull-witted. Subtype: Varies. Choose one other humanoid race to represent your former life. You gain that race type as a subtype, and also count as that race for all effects. You do not gain any bonuses or penalties, nor other abilities associated with that race. Plant: Vegepygmy are plants, possessing the following features: • Immune to all mind-affecting effects (charms, compulsions, morale effects, patterns, and phantasms). • Immune to paralysis, poison, polymorph, sleep effects, sonic, and stunning. • Gain resistance 5 to electricity. • Breathe and eat, but do not sleep unless they want to gain some beneficial effect from this activity. This means that they can sleep in order to regain spells, but sleep is not required to survive or stay in good health. Small: Vegepygmy are Small creatures and gain a +1 size bonus to their AC, a +1 size bonus on attack rolls, a -1 penalty to their CMB and CMD, and a +4 size bonus on Stealth Checks. Normal Speed: Vegepygmy have a base speed of 30 feet Damage Reduction: Vegepygmy gain DR 5 / slashing or bludgeoning. Darkvision: Vegepygmy can see in the dark up to 60 feet. Low-Light Vision: Vegepygmy can see twice as far as humans in conditions of dim light. Elusive: Vegepygmy gain a +4 racial bonus on Stealth checks, this bonus increase to +8 if they are in vegetation. Verbal Component Vulnerability: Vegepygmy are unable to cast any spell that only requires verbal as the spell casting component (such as blur, blindness/deafeness, power word kill). However, vegepygmyies crude form of communal language does not interfere with multiple component spellcasting that includes verbal. The verbal components are sounds that are not tied to a specific spoken language when they are used in conjunction with somatic and/or material components. Languages: Vegepygmy begin play understanding Undercommon and Vegepygmy, but cannot speak actual words. Vegepygmies communicate via a crude language of rhythmic taps, beats, hoots, whistles, and clicks. One way to make themselves understood is through pantomime. While overly complex conversations are not possible, a DC 10 Linguistics check should allow simple communication (such as buying something). More complex communication (such as getting directions) requires a DC 20 Linguistics check. Vegepygmy with high intelligence can choose from the following languages: Aklo, Dwarf, Common, Elven, Sylvan, Terran, and the primary language of their former life. Alternate Racial Traits Clawed: Some vegepygmy receive two claw attacks. These are primary attacks, dealing damage based on size. This trait replaces darkvision. Putrescence: Some vegepygmy have a natural ability to sniff out decaying organic matter. This functions like the scent ability, but only for corpses and badly wounded creatures (creatures with 25% or fewer hit points). This trait replaces damage reduction. Flora Symbiosis: All vegepygmy can empathically communicate with plants as if subject to a continual speak with plants spell. This trait replaces darkvision. Vegepygmy Race Traits Botanic Oculus: Your connection to flora is exceptionally strong. As a swift action, you gain greensight to a range of 60 feet. This effect lasts 1 minute. You can use this ability once per day at 1st level, plus one additional time per day at 5th level and every 5 levels thereafter, to a maximum of five times per day at 20th level. Bone Collector: You gain a +1 trait bonus on all Craft (weapons) checks when making bone weapons, and reducing the cost of making the item by 5%. You also gain a +1 trait bonus on attack rolls made with weapons which include bone in their design. Bone/Wood Affinity: You may reduce the Armor Check Penalty of bone/wooden armor and shields by 1. Verbal Component Alternative Their crude form of language does not interfere with spellcasting, but it does apply to spells that are language dependent. When casting a spell that is solely verbal for component requirements, a natural primal magic events occurs. The primal magic event’s CR is equal to caster level.
Views: 274 Trevor Koch
07. ERWin Data Modeler Tool Tutorial - Relationship or Cardinality
 
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This video tutorial helps to understand various relationship types used during data modeling in ERWin Tool
Views: 2985 Sandip M
4 3 SQL Data types
 
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Views: 120 Nimish Vaibhav
UML Class Modeling -- 4 -- Finding Generalizations
 
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Given the following problem statement, create a UML class model.... There is a need to develop software for tracking library loan records. Library patrons may borrow books, magazines, compact discs, and audio tapes. A library must manage each copy of a library item. For example, a library may have five copies of the book "The Grapes of Wrath". Each borrower has a library card. Each type of library item has a standard checkout period and maximum number of renewals. For example, children's books may be checked out for a month, while adult books may be checked out for only two weeks. Ordinary books can be renewed once; books with a pending request may not be renewed. The system must record the actual return date and any fine that was paid. Please note that the focus is on creating the model and not on explaining use of the modeling tool.
Views: 6072 Mike Blaha
ER Model Basic Concepts Types Of Attributes 1
 
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Visit our Website for More Informative Videos : http://www.in5minutes.in
Views: 129 in5minutes
Pathfinder RPG Race Builder - Half-Undead [homebrew]
 
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Half-Life - Total RP=12 Type Half-Undead (5 RP) Size Medium (0 RP) Base Speed Normal (0 RP) Ability Score Modifiers Standard (+2 Str,+2 Wis, -2 Cha) (0 RP) Languages Xenophobic (0 RP) Racial Traits Defense Racial Traits Resist Level Drain (- RP) Undead Resistance (- RP) Sleep Immunity (2 RP) [homebrew] Offense Racial Traits Soul Energy (3 RP) [homebrew] Other Racial Traits Psuedodead (2 RP) [homebrew] Half-Life Racial Traits +2 Strength, +2 Wisdom, -2 Charisma: Half-Life are supernaturally strong and perceptive, though often lack the charismatic charm. Half-Undead: Half-Life are humanoids with the Half-Undead subtype. Half-Life are alive, but react to positive and negative energy as if it were undead - positive energy harms, while negative energy heals. Upon death, a Half-Life reanimate as a mindless zombie or skeleton in 1d6 days. Half-Life can not be raised or resurrected. Medium: Half-Life are Medium creatures and have no bonuses or penalties due to their size. Normal Speed: Half-Life have a base speed of 30 feet. Darkvision: Half-Life can see in the dark up to 60 feet. Level Drain Resistant: Half-Life take no penalty from energy-draining effects, although they can still be killed if they accrue more negative levels than it has Hit Dice. After 24 hours, any negative levels that a Half-Life has accrued are removed without the need for any additional saving throws. Undead Resistance: Half-Life gain a + racial bonus on saving throws against disease, mind-affecting effects, and poison. Sleeping Awake: Rather than sleep, Half-Life enter a meditative state known as trance. They are fully aware of their surrounding while in this state. In addition, Half-Life are immune to magic sleep effects. Soul Energy: Half-Life can cause their natural attack, and any weapon it holds in its hands to gain the ghost touch special ability for a number of rounds per day equal to its Charisma modifier. Pseudodead: Unintelligent undead do not detect Half-Life as alive, unless the character attacks them. Half-Life gain a +4 racial bonus to Bluff and Disguise checks against intelligent undead to appear as a mindless undead. Alternate Racial Traits Dead by Dawn: Half-Life gain +1 hit point per level at night. These hit points fade away at dawns first light. This racial trait replaces the Soul Energy racial trait. Necrotheft: As a full-round action, the Half-Life may make a touch attack against an undead creature. If successful and the target possesses fewer Hit Dice than the Half-Life, the Half-Life may imitate one of the target's supernatural abilities. It may use the stolen power once, and if not used within 24 hours it fades away. Any saves required for the ability use the Half-life's total Hit-Dice + the Half-Life's Charisma modifier to calculate the DC. The Half-Life take 1d4 points of negative energy damage per Hit Die of the targeted undead when it uses this ability. This racial trait replaces the Soul Energy racial trait.
Views: 580 Trevor Koch
SQLStorage Parent-Child
 
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Intersystems Cache Sql Storage for parent - child relationship
Views: 499 doublefint

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