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SQL tutorial 61: SEQUENCE in Oracle Database By Manish Sharma RebellionRider
 
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This tutorial is all about Sequence In Oracle Database. In this SQL Tutorial you will learn How to create a sequence How to populate a Primary key column (auto increment in Oracle) using Sequence How to drop a sequence ------------------------------------------------------------------------ ►►►LINKS◄◄◄ Blog : http://bit.ly/sql-sequence-in-oracle-database-rebellionrider-manish-sharma Previous Tutorial ► How To Insert Data into Table using SQL Developer http://youtu.be/YYQCSV6MzTk ► INSERT INTO Command http://youtu.be/uQXgqFtxI_k ► How to copy /Insert data into a table from another table http://youtu.be/m3Ep8tAMqok ------------------------------------------------------------------------- ►►►Help Me In Getting A Job◄◄◄ ►Help Me In Getting A Good Job By Connecting With Me on My LinkedIn and Endorsing My Skills. All My Contact Info is Down Below. You Can Also Refer Me To Your Company Thanks ------------------------------------------------------------------------- Copy Cloud referral link || Use this link to join copy cloud and get 20GB of free storage https://copy.com?r=kb4rc1 -------------------------------------------------------------------------- ►Make sure you SUBSCRIBE and be the 1st one to see my videos! -------------------------------------------------------------------------- Amazon Wishlist: http://bit.ly/wishlist-amazon ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ►►►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/ 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: 46056 Manish Sharma
part3 drop,nextval,currval sequence
 
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create sequence, next value, current value, drop sequence, sql, oracle 10g,drop sequence
Views: 1107 Dr. Girija Narasimhan
auto increment in sql oracle - ( Auto increment field )
 
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auto increment in sql oracle ----------------------------------------------- CREATE table customers ( customer_id int not null, customer_name varchar(50), primary key (customer_id) ); create sequence customer_id minvalue 1 start with 1 cache 10; insert into customers values(customer_id.nextval,'maxwel'); -- to drop sequence drop sequence customer_id
Views: 9789 Data Disc
Reading SQL: Creating, Using a Sequence, NEXTVAL and CURRVAL: SQL Tutorial 116
 
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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 -~-~~-~~~-~~-~- : SQL Tutorial
Views: 364 Solution Wizard
sequence in oracle
 
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in this tutorial i teach sequence in oracle
SelectTec | Aula Nº 34 | Sequence/Trigger - autoincrement Oracle
 
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Syntax: Criando a sequencia: CREATE SEQUENCE nome_da_sequencia minvalue 1 maxvalue 999 INCREMENT BY 1; Criando a trigger: CREATE OR REPLACE TRIGGER nome_TRIGGER BEFORE INSERT ON "tabela" FOR EACH ROW BEGIN SELECT "NOME_DA_SEQUENCIA".NEXTVAL INTO :new."CAMPO" FROM dual; END;
Views: 1916 SelectTec
Oracle tutorial : Pseudo columns in Oracle PL SQL (pseudo column)
 
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Oracle tutorial : Pseudo columns in Oracle PL SQL ( pseudocolumn ) oracle tutorial for beginners rownum in oracle This video will show you what is Pseudo columns in Oracle PL SQL. Pseudo columns are likes ROWNUM, ROENUM, ROWID, NEXTVAL,SYSDTAE , USER etc. pseudocolumn examples Oracle tutorial : Pseudo columns in oracle Oracle supports several special-purpose data elements that are not actually contained in a table, but are available for use in SQL statements. Here is a partial list of pseudo-columns in Oracle a)CURRVAL : When using Oracle SEQUENCE values, the pseudo-column CURRVAL returns the current value of the sequence. for example: schema.sequence_name.CURRVAL b)NEXTVAL :When using Oracle SEQUENCE values, the pseudo-column NEXTVAL returns the next value of the sequence and causes the sequence to increment by one. for example: schema.sequence_name.NEXTVAL c)ROWNUM:ROWNUM returns a number indicating the order in which a row was selected from a table. d)ROWID: ROWID returns the rowid (binary address) of a row in a database table. e)USER :This pseudo-column will always contain the Oracle username under which you are connected to the database. f)SYSDATE:This pseudo-column will contain the current date and time. This column is a standard Oracle DATE datatype. The value represents the current time on the server not the client. For more tutorial please visit #techquerypond https://techquerypond.com https://techquerypond.wordpress.com https://twitter.com/techquerypond
Views: 1600 Tech Query Pond
ORACLE SQL 45: Create & Drop Sequence
 
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http://studyandshare.wordpress.com/ http://www.facebook.com/groups/studyandsharevn/
Views: 2497 studyandsharevn
SQL Tutorial - Sequence Objects
 
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This video will teach you how to create sequence objects with working examples, within SQL Server, we also look at the benefits of sequence objects and some of the differences between a sequence object and identity. CREATE SEQUENCE 'name' AS 'data type' START WITH 'value' INCREMENT BY 'value' MINVALUE 'value' (optional – will default to data type range) MAXVALUE 'value' (optional – will default to data type range) CYCLE? (optional – will default to NO CYCLE) How to find details of sequence objects within the database: sys.sequences – will show all information regarding sequence objects including current value How to restart the value of a sequence object: ALTER SEQUENCE 'name' RESTART WITH 'value' How to drop a sequence: DROP SEQUENCE 'name' (cannot drop a sequence if it is in use!) How to generate the next value for a sequence: SELECT NEXT VALUE FOR 'name' Sequences are covered in the Microsoft Exam – Querying SQL Server (70-461) 2012 / 2014. SQL Statements used below: CREATE SEQUENCE seq_test AS TINYINT START WITH 1 INCREMENT BY 1 MINVALUE 1 MAXVALUE 100 CYCLE CREATE TABLE Food_Orders ( Id TINYINT DEFAULT NEXT VALUE FOR seq_test , [Date] DATETIME2 , Summary VARCHAR(100) ) CREATE TABLE Food_Orders_2 ( Id TINYINT DEFAULT NEXT VALUE FOR seq_test , [Date] DATETIME2 , Summary VARCHAR(100) ) -- loop to insert data to test sequence DECLARE @N TINYINT = 1 WHILE @N 'less than' 110 BEGIN INSERT INTO Food_Orders([Date], Summary) VALUES (CURRENT_TIMESTAMP, 'Burger and Chips') INSERT INTO Food_Orders_2([Date], Summary) VALUES (CURRENT_TIMESTAMP, 'Burger and Chips') SET @N = @N + 1 END SELECT NEXT VALUE FOR seq_test ALTER SEQUENCE seq_test RESTART WITH 1 DROP SEQUENCE seq_test CREATE SEQUENCE seq_new AS INT START WITH 1 INCREMENT BY -1 SELECT NEXT VALUE FOR seq_new SQL errors covered: The sequence object 'name' has reached its minimum or maximum value. Restart the sequence object to allow new values to be generated Cannot DROP SEQUENCE 'name' because it is being referenced by object 'name'
Views: 567 BeardedDev
Codecademy Walkthrough SQL Table Transformation 03 non correlated subqueries II
 
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How to nest a select statement? Codecademy SQL Table Transformation Walkthrough tutorial walkthrough. Learn to code Subqueries SELECT statements in SELECT statements. Nested select statement
Views: 781 Uniqtech
SQL Tutorial - TRUNCATE TABLE
 
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Another fantastic SQL Tutorial brought to you by BeardedDev. SQL Tutorial - TRUNCATE TABLE - https://youtu.be/zJidbjOQlJM If you want to to see a tutorial on how to use the DELETE statement in SQL Server, check out this video: https://youtu.be/VFNRtOQcyl0 If you want to see a tutorial on how to use the INSERT statement in SQL Server, check out this video: https://youtu.be/ar8scs8E5YI You can see all videos on my channel focusing on Business Intelligence and Data Development by clicking the below link: https://www.youtube.com/channel/UCWczzX6DyFV2KOYP_-CEZUA/videos This tutorial will give you an overview of the TRUNCATE statement as well as discussing the differences compared to DELETE and show examples. TRUNCATE TABLE removes all data from a table but keeps the table definition, DROP TABLE would completely remove the table. TRUNCATE TABLE resets the current identity value and that is shown in an example in this video, we use IDENT_CURRENT statement to identify the current value then run the statement a second time after the TRUNCATE TABLE to see the difference. TRUNCATE TABLE is also minimally logged, meaning only data pages that are removed are logged and we are unable to ROLLBACK. DELETE will log each row and can be rolled back. We also show an example of the differences in performance between TRUNCATE and DELETE, when I run TRUNCATE it executes almost instantly but DELETE takes 46 seconds. Don't forget to subscribe and hit the notification button to be made aware of when new videos are uploaded. SQL Statements used in the video: SELECT IDENT_CURRENT('dbo.CustomersSTG2') AS Current_Identity TRUNCATE TABLE dbo.CustomersSTG2 INSERT INTO dbo.CustomersSTG2 (FullName, Age) SELECT FullName , Age FROM dbo.CustomersSTG DELETE FROM dbo.CustomersSTG2 -- TRUNCATE SYNTAX TRUNCATE TABLE [schema].[tablename]
Views: 242 BeardedDev
PostgreSQL:  Serial & Sequences | Course | 2019
 
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PostgreSQL is a general purpose and object-relational database management system, the most advanced open source database system widely used to build back end systems. Startups including big companies such as Apple, Cisco, Redhat and more use Postgres to drive their business. In this video you will learn about Sequences, how they are managed and how Serial and Big Serial use Sequeces ► Full Playlist Here | http://bit.ly/2ClGPdY ► Subscribe Here | http://bit.ly/2HpF5V8 ► For More Courses Visit | http://bit.ly/2JgGW0w PS ► Follow Amigoscode on Instagram | http://bit.ly/2TSkA9w ► Joint Closed Facebook Group | http://bit.ly/2FbuIkx Thanks for watching…
Views: 117 Amigoscode
SEQUENCES IN ORACLE SQL WITH EXAMPLES (asc, desc, cycle, nocycle, cache, nocache)
 
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This video tutorial is to understand the working of sequences in oracle SQL. The video demonstrations explain all the attributes of a create sequence statement such as start with, increment by, maxvalue, nomaxvalue, minvalue, nominvalue, cycle, nocycle, cache, nocache, order, and noorder. All the parameters are explained with appropriate examples so that the user can understand them clearly. For more detail refer to the link: http://plsqlnsql.blogspot.com/2017/01/sequences.html
Views: 2427 Kishan Mashru
part9 use sequence in table
 
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create sequence, create table, insert value, sql , oracle 10g
part 7 alter sequence
 
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alter sequence, max value, start with, sql, oracle 10g
Tutorials#77 Oracle sequence  - How to create  sequence  in Oracle SQL Database
 
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Explaining How to create a sequence in Oracle SQL Database or what is a sequence in SQL or sequence in SQL Server or sequence in oracle database ----------------------------------------------------------- Practice question on Sequence : https://drive.google.com/open?id=1EcWrlRw-OF-b8lN789GBIpO-6Fh6q-Q_ ---------------------------------------------------------- A sequence is an object which is used to generate the auto number or number sequence automatically Assignment: Assignment link will be available soon: In this series we cover the following topics: SQL basics, create table oracle, SQL functions, SQL queries, SQL server, SQL developer installation, Oracle database installation, SQL Statement, OCA, Data Types, Types of data types, SQL Logical Operator, SQL Function,Join- Inner Join, Outer join, right outer join, left outer join, full outer join, self-join, cross join, View, SubQuery, Set Operator. follow me on: Facebook Page: https://www.facebook.com/LrnWthr-319371861902642/?ref=bookmarks Contacts Email: [email protected] Instagram: https://www.instagram.com/equalconnect/ Twitter: https://twitter.com/LrnWthR #equalConnectCoach #rakeshmalviya
Views: 138 EqualConnect Coach
Using Sequence in Sql Server 2012 tutorials
 
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This tutorial is about using sequence in sql server 2012.
Views: 964 PRASHANT KUMAR
Урок 25. PL SQL.Последовательности SEQUENCE
 
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Последовательность SEQUENCE – это объект базы данных, который генерирует целые числа в соответствии с правилами, установленными во время его создания. Чаще всего этот объект используется при формировании первичного ключа таблицы.
create sequence in oracle in HINDI | Sequences in Oracle in HINDI
 
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sql tutorial | create sequence in oracle | Sequences in Oracle in HINDI To create sequence in oracle, we have to use create sequence statement of oracle. This video of create sequence in oracle, will give you hands on practice about sequences in oracle. We have used screen capture option for making this video of sequences in oracle. The main objective of this video create sequence in oracle is to give the users a real hands on practice to use sequences in oracle. The language of the video is hindi, if you wish to watch this video in english, please suggest in comment section of this video. Oracle uses the concept of SEQUENCE to create numerical primary key values as we add rows of data into a table. Whereas numerical primary key population for MySQL and SQL Server is tied to individual tables, in Oracle the SEQUENCE construct is created separately and is not tied to an individual table. Hope this video of sequences in oracle, is helpful for you. Music www.bensound.com facebook page www.facebook.com/learningseveryday -~-~~-~~~-~~-~- Please watch and Subscribe : "Python Projects" https://www.youtube.com/watch?v=1s-H9-eELxg -~-~~-~~~-~~-~-
Views: 478 Learning Everyday
part32 sequence using auto primary key
 
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oracle 10g form builder, sequence, auto primary key, sql, create sequence, when_new_instance_record,
Views: 1087 Dr. Girija Narasimhan
part 1 create sequence
 
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create sequence, increment by, dual table, sql, oracle 10g
part 2 create sequence minvalue
 
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sequence, minvalue, increment, oracle 10g
part 11 mutiple table same sequence
 
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create sequence, multiple table using same sequence, insert values,sql, oracle 10g
099- Oracle SQL 12c: Controlling User Access part 2/نظري
 
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تعلم اوراكل حتى الاحتراف تعلم اوراكل من الصفر EXAM 1Z0-061 EXAM 1Z0-071
Views: 1360 khaled alkhudari
part14 how to start
 
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https://www.oercommons.org/authoring/21668-introduction-to-visual-basic-net/5/view For coding of this tutorial kindly visit the above mentioned OER resource
sequence generator and stored procedure transformation in informtica
 
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sequence generator, sequence generator in informatica, sequence generator transformation in informatica, sequence generator transformation in informatica with example, informatica sequence generator transformation, informatica sequence generator, inforamatic sequence generator change current value, stored procedure transformation in informatica, informatica stored procedure transformation, informatica stored procedure call text, informatica stored procedure transformation tutorial, informatica stored procedure transformation tutorial with example, informatica stored procedure transformation unconnected
Views: 283 Venkat KS
part 6 create sequence error
 
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create sequence, error, oracle 10g, sql
part 4 create squence increment value
 
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create sequence, increment value, sql, oracle 10g
part30 parameterreport
 
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This video content is available in OERCOMMONS.ORG https://www.oercommons.org/authoring/21895-database-application-using-oracle-form-builder/view parameter report, dynamic report, run time query report
Views: 1724 Dr. Girija Narasimhan
Oracle forms | How To Create Difference Types Of Canvas (Tab, Stacked & Toolbar) -19
 
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Oracle forms | How To Create Difference Types Of Canvas (Tab, Stacked & Toolbar) -19 To See More Forms Tutorial Click here https://www.youtube.com/watch?v=Zsu4CWo_vwk&list=PLXXvCMuixAJU3Ap_FE2zSEBicv8IC5kDU To See More Reports Tutorial Click here https://www.youtube.com/watch?v=y_0f_iILlmY&list=PLXXvCMuixAJUfU4ZISmPtHrmKe5qRvyVY Dear viewer, In this tutorial you will learn How To Create Difference Types Of CANVAS in oracle forms such as TAB CANVAS, STACKED CANVAS & Horizontal TOOLBAR CANVAS. To Get more Tutorial Subscribe The Channel click here https://www.youtube.com/channel/UCQ3ea4zVCfnKBx1_7h8raGQ?sub_confirmation=1 To Get All Post Like The Facebook Page Click here https://www.facebook.com/oracledbsolutions Follow us: Facebook: https://www.facebook.com/oracledbsolutions Youtube link: https://www.youtube.com/channel/UCQ3ea4zVCfnKBx1_7h8raGQ?view_as=subscriber Facebook Group: https://www.facebook.com/groups/465557066961548 Contact us: email: [email protected] Skype: oracle26solutions Mob: 01734557080, 01627422780
Views: 816 OracleDB Solutions
SQL Server Sequence Part2
 
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Sequence in SQL Server 2012
Views: 57 Informatica
14 Sequences in SQL Server
 
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with Arabic content by easy way to learn شرح بالعربي
Oracle sql chapter 6
 
33:02
Views: 15 md islam
Oracle Pseudo columns
 
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pseudo columns in oracle
Views: 409 Siva Academy
PL SQL 3   Databases and transactional applications
 
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https://drive.google.com/file/d/0BxYoN5rLDBaRYnVOanBvUEk1cmM/edit?usp=sharing Course Objectives Bucles Modify data in PL / SQL Transactions and SAVEPOINT in PL / SQL blocks create table student (student_id number primary key, last_name varchar2(50) not null, zip number, registration_date date not null, created_by varchar2(20) not null, created_date date not null, modified_by varchar2(20) not null, modified_date date not null); Create table zipcode (ZIP number primary key, city varchar(20) , CREATED_BY varchar2(20) not null, CREATED_DATE date not null, MODIFIED_BY varchar2(20) not null, MODIFIED_DATE date not null); insert into zipcode values(43224,null,'OPER1',sysdate,'OPER1',sysdate); insert into zipcode values(96864,'PARIS','OPER1',sysdate,'OPER1',sysdate); insert into zipcode values(6325,'BREMEN','OPER1',sysdate,'OPER1',sysdate); BEGIN INSERT INTO student (student_id, last_name, zip, registration_date, created_by, created_date, modified_by, modified_date) VALUES (10, 'Tashi', 10015,'01-JAN-2013', 'STUDENTA', '01-JAN-99','STUDENTA','01-JAN-2013'); END; DECLARE v_zip zipcode.zip%TYPE; v_user zipcode.created_by%TYPE; v_date zipcode.created_date%TYPE; BEGIN SELECT 43438, USER, SYSDATE INTO v_zip, v_user, v_date FROM dual; INSERT INTO zipcode (ZIP, CREATED_BY ,CREATED_DATE, MODIFIED_BY, MODIFIED_DATE) VALUES(v_zip, v_user, v_date, v_user, v_date); END; ------------------------ DECLARE v_max_id number; BEGIN SELECT MAX(student_id) INTO v_max_id FROM student; INSERT into student (student_id, last_name, zip, created_by, created_date, modified_by, modified_date, registration_date) VALUES (v_max_id + 1, 'Rosenzweig', 11238, 'BROSENZ ', '01-JAN-99', 'BROSENZ', '01-JAN-99', '01-JAN-99' ); END; ------------------------ CREATE SEQUENCE test_seq INCREMENT BY 5; DECLARE v_max_id number; BEGIN SELECT test_seq.NEXTVAL INTO v_max_id FROM dual; INSERT into student (student_id, last_name, zip, created_by, created_date, modified_by, modified_date, registration_date) VALUES (v_max_id, 'Rosenzweig', 11238, 'BROSENZ ', '01-JAN-99', 'BROSENZ', '01-JAN-99', '01-JAN-99' ); END; ------------------------ CREATE SEQUENCE student_id_seq START WITH 1 INCREMENT BY 1; BEGIN INSERT INTO student ( student_id, Last_name, zip, registration_date, created_by, created_date, modified_by, modified_date) VALUES ( student_id_seq.nextval, 'Tashi', 10015, '01-JAN-99', 'STUDENTA', '01-JAN-99', 'STUDENTA','01-JAN-2013'); SAVEPOINT A; INSERT INTO student ( student_id, Last_name, zip, registration_date, created_by, created_date, modified_by, modified_date) VALUES (student_id_seq.nextval, 'Sonam', 10015, '01-JAN-99', 'STUDENTB','01-JAN-2013', 'STUDENTB', '01-JAN-99'); SAVEPOINT B; INSERT INTO student ( student_id, Last_name, zip, registration_date, created_by, created_date, modified_by, modified_date) VALUES (student_id_seq.nextval, 'Norbu', 10015, '01-JAN-99', 'STUDENTB', '01-JAN-2013', 'STUDENTB', '01-JAN-99'); SAVEPOINT C; ROLLBACK TO B; END;
Views: 343 Fdo Luis
How to use Sequence generator transformation in Informatica Cloud mapping designer
 
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- Used to generate sequence of numerical value - CURRVAL = NEXTVAL + increment value (default increment value is 1) - Properties of sequence generation - Cyclic sequence - New sequence for every run - Sequence by increment value - Cached value - Manual reset of currval allowed in mapping configuration task
Views: 1563 Informatica Support
part 8 user squences
 
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create sequence, user_sequences, oracle 10g,sql
part 5 create sequence increment  ve value
 
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create sequence increment using negative value,
PL/SQL tutorial 6: Bind Variable in PL/SQL By Manish Sharma RebellionRider.com
 
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Watch and learn what are bind variables in PL/SQL how to declare or create them using Variable command, Initialize them using Execute (exec)command and different ways of displaying current values of a bind variable for example using AutoPrint parameter. ------------------------------------------------------------------------ ►►►LINKS◄◄◄ Blog : http://bit.ly/bind-variable Previous Tutorial ► Constants in PL/SQL https://youtu.be/r1ypg7WH4GY ►User Variables :https://youtu.be/2MNmodawvnE ------------------------------------------------------------------------- ►►►Let's Get Free Uber Cab◄◄◄ Use Referral Code UberRebellionRider and get $20 free for your first ride. ------------------------------------------------------------------------- ►►►Help Me In Getting A Job◄◄◄ ►Help Me In Getting A Good Job By Connecting With Me on My LinkedIn and Endorsing My Skills. All My Contact Info is Down Below. You Can Also Refer Me To Your Company Thanks ------------------------------------------------------------------------- ►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/ 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: 101785 Manish Sharma
part 10 multi user using same sequence
 
04:19
create sequence, multi user using same sequence, sql, oracle 10g
How to generate primary keys with JPA and Hibernate
 
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Today, I will show you how to generate unique primary key values with JPA and Hibernate. But before we start, I want to know how you get the primary key values in your application? Do you use natural keys or UUIDs or do you generate technical IDs? Please post a comment below and tell me about it. I prefer to generate simple, numerical, technical IDs like you can see in the following code snippet instead of using natural keys which often require the combination of multiple attributes. Technical IDs are easier to manage and all involved systems, mainly the database and Hibernate, can index them very efficiently. This allows you to focus on the business logic of your application and avoids performance issues. If you like this video, please give me your thumbs up and share it with your friends and co-workers. Like my channel? Subscribe! ➜ http://bit.ly/2cUsid8 Join the free Member Library: https://goo.gl/dtyIIC Read the accompanying post: https://www.thoughts-on-java.org/jpa-generate-primary-keys/ Want to connect with me? Blog: http://www.thoughts-on-java.org/ Twitter: https://twitter.com/thjanssen123 Facebook: https://www.facebook.com/thoughtsonjava
Views: 4479 Thoughts On Java
Reading SQL: Creating, Retrieving Data from a View: SQL Tutorial 110
 
00:39
Please watch: "Install Oracle Database 12c Release 2 on Windows 10 Professional 64 bit" https://www.youtube.com/watch?v=5705VFJmku0 -~-~~-~~~-~~-~- : SQL Tutorial
Views: 24 Solution Wizard
PL SQL 6   Triggers
 
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https://drive.google.com/file/d/0BxYoN5rLDBaRbFAxVTl6NFoyUzg/edit?usp=sharing Course Objectives Triggers. example 1 INSERT INTO student (student_id, salutation, first_name, last_name, zip, registration_date, created_by, created_date, modified_by, modified_date) VALUES (STUDENT_ID_SEQ.NEXTVAL, 'Mr.', 'Pedro', 'Perez', '00914', SYSDATE, USER, SYSDATE, USER, SYSDATE); --------------------- Example 2 CREATE OR REPLACE TRIGGER student_bi BEFORE INSERT ON student FOR EACH ROW DECLARE v_student_id STUDENT.STUDENT_ID%TYPE; BEGIN SELECT STUDENT_ID_SEQ.NEXTVAL INTO v_student_id FROM dual; :NEW.student_id := v_student_id; :NEW.created_by := USER; :NEW.created_date := SYSDATE; :NEW.modified_by := USER; :NEW.modified_date := SYSDATE; END; ----------------------- Example 3 INSERT INTO student (salutation, first_name, last_name, zip, registration_date) VALUES ('Mr.', 'Pedro', 'Perez', '00914', SYSDATE); ----------------------- Example 4 CREATE OR REPLACE TRIGGER instructor_aud AFTER UPDATE OR DELETE ON INSTRUCTOR DECLARE v_type VARCHAR2(10); BEGIN IF UPDATING THEN v_type := 'UPDATE'; ELSIF DELETING THEN v_type := 'DELETE'; END IF; INSERT INTO statistics VALUES ('INSTRUCTOR', v_type, USER, SYSDATE); END; ---------------------- Example 5 CREATE OR REPLACE TRIGGER instructor_biud BEFORE INSERT OR UPDATE OR DELETE ON INSTRUCTOR DECLARE v_day VARCHAR2(10); BEGIN v_day := RTRIM(TO_CHAR(SYSDATE, 'DAY')); IF v_day LIKE ('S%') THEN RAISE_APPLICATION_ERROR (-20000, 'Pas de modif. les weekends'); END IF; END; --------------------- Example 6 CREATE OR REPLACE TRIGGER student_compound FOR INSERT ON STUDENT COMPOUND TRIGGER v_day VARCHAR2(10); BEFORE STATEMENT IS BEGIN v_day := RTRIM(TO_CHAR(SYSDATE, 'DAY')); IF v_day LIKE ('S%') THEN RAISE_APPLICATION_ERROR (-20000, 'A table cannot be modified during off hours'); END IF; END BEFORE STATEMENT; BEFORE EACH ROW IS BEGIN :NEW.student_id := STUDENT_ID_SEQ.NEXTVAL; :NEW.created_by := USER; :NEW.created_date := SYSDATE; :NEW.modified_by := USER; :NEW.modified_date := SYSDATE; END BEFORE EACH ROW; END student_compound;
Views: 1033 Fdo Luis
part 11 drop dimension
 
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drop dimension, create dimension,