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IF Statements in Oracle PL SQL with example
 
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Complete Oracle PL/SQL Tutorial for Beginners Playlist here https://www.youtube.com/playlist?list=PLI5t0u6ye3FE_9SZcS0cQZDU2qn0uB1Oi ************************************************** This Video shows how to use IF THEN , ELSIF THEN and ELSE Statements in Oracle with examples for Beginners.
Views: 1695 yrrhelp
CASE STATEMENT(IF THEN ELSE) IN ORACLE SQL WITH EXAMPLE
 
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The case statement gives the if-then-else kind of conditional ability to the otherwise static sql select statement, This video demonstrates how to write an case statement in oracle sql, and explains different aspects of the case statement. The video explains the execution flow of the case statement and advises on the best way to write one.
Views: 1802 Kishan Mashru
Oracle PL/SQL - IF THEN ELSE Statement
 
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http://plsqlzerotopro.com This tutorial explains IF THEN ELSE Statement.
Views: 10868 HandsonERP
PL/SQL tutorial 7: Introduction to PL/SQL Conditional Statements in Oracle Database
 
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1st PL/SQL tutorial in Conditional Control Statements In Oracle PL/SQL. In this tutorial you will learn what are control statements and their types such as IF statements and Case Statements in PL/SQL also their differents forms such as IF THEN, IF THEN ELSE and IF THEN ELSEIF ------------------------------------------------------------------------ ►►►LINKS◄◄◄ Blog : http://bit.ly/control-statements-intro-pl-sql Previous Tutorial ► Simple CASE https://youtu.be/DMlDwOmqAzo ► Searched CASE https://youtu.be/jk7k4TDs3F0 ------------------------------------------------------------------------- ►►►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: 59872 Manish Sharma
Oracle PL SQL Conditional Statements
 
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Oracle PL/SQL Tutorial -  If Statements
 
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Want all of our free Oracle videos? Download our free iPad app at http://itunes.apple.com/us/app/video-training-courses-from/id418130423?mt=8 http://www.infiniteskills.com/training/learning-oracle-pl-sql-programming.html This PLSQL tutorial explains If-statements and their central role in development. YouTube: https://www.youtube.com/user/OreillyMedia Facebook: https://www.facebook.com/OReilly/?fref=ts Twitter: https://twitter.com/OReillyMedia Website: http://www.oreilly.com/
CASE Function( IF..THEN..ELSE) in SQL ORACLE Query With Example
 
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ORACLE/PLSQL: CASE STATEMENT The Oracle/PLSQL CASE statement has the functionality of an IF-THEN-ELSE statement. Starting in Oracle 9i, you can use the CASE statement within a SQL statement. The syntax for the Oracle/PLSQL CASE statement is: CASE [ expression ] WHEN condition_1 THEN result_1 WHEN condition_2 THEN result_2 ... WHEN condition_n THEN result_n ELSE result END --------- ARGUMENTS: expression is optional. It is the value that you are comparing to the list of conditions. (ie: condition_1, condition_2, ... condition_n) condition_1 to condition_n must all be the same datatype. Conditions are evaluated in the order listed. Once a condition is found to be true, the CASE statement will return the result and not evaluate the conditions any further. result_1 to result_n must all be the same datatype. This is the value returned once a condition is found to be true. NOTE: If no condition is found to be true, then the CASE statement will return the value in the ELSE clause. If the ELSE clause is omitted and no condition is found to be true, then the CASE statement will return NULL. You can have up to 255 comparisons in a CASE statement. Each WHEN ... THEN clause is considered 2 comparisons. Lets apply this function on emp table. Emp table has 3 dept numbers like 10,20 and 30. So if I want to display the different dept names based on ID, I have to use IF THEN ELSE condition. IF deptno=10 THEN "DEPT1" ELSE deptno=20 THEN "DEPT2" ELSE deptno=30 THEN "DEPT3" This entire IF block can be achived using CASE. CASE deptno WHEN 10 THEN 'DEPT1' WHEN 20 THEN 'DEPT2' WHEN 30 THEN 'DEPT3' ELSE 'NO DEPT' END; Query used in Video: select empno,ename,deptno,CASE deptno WHEN 10 THEN 'DEPT1' WHEN 20 THEN 'DEPT2' WHEN 30 THEN 'DEPT3' ELSE 'No Dept' END from emp;
Views: 16079 WingsOfTechnology
Oracle - PL/SQL - Conditional Statements
 
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Oracle - PL/SQL - Conditional Statements https://www.tutorialspoint.com/videotutorials/index.htm Lecture By: Mr. Anadi Sharma, Tutorials Point India Private Limited.
Introduction to Oracle: PL-SQL - IF ... ELSIF ... ELSE Statement
 
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Introduction to Oracle: PL-SQL - IF ... ELSIF ... ELSE Statement
Views: 353 David Hays
Conditional Statements in Oracle PL SQL
 
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Conditional Statements in Oralce PL SQL By Dr. RD Balaji Help us caption & translate this video! http://amara.org/v/DWUq/
Oracle SQL Video Tutorial 26 - CASE Statements
 
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Oracle SQL Video Tutorials 26 - CASE Statements explained.In This Oracle SQL Tutorial for Beginners, I have explained basics of SQL.These examples work on Oracle 10g and Oracle 11g database. These helps youto understand Oracle Joins and helps beginners. Iam going to add more tutorials on Oracle DBA, Oracle RAC and Oracle PL/SQL.All Oracle sql tutorial with examples are executed on Oracle 11g using Oracle SQL Developer.
Views: 5194 Just Channel
DECODE Function ( IF..THEN..ELSE) in SQL ORACLE Query With Example
 
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ORACLE/PLSQL: DECODE FUNCTION The Oracle/PLSQL DECODE function has the functionality of an IF-THEN-ELSE statement. The syntax for the Oracle/PLSQL DECODE function is: DECODE( expression , search , result [, search , result]... [, default] ) ARGUMENTS: expression is the value to compare. search is the value that is compared against expression. result is the value returned, if expression is equal to search. default is optional. If no matches are found, the DECODE function will return default. If default is omitted, then the DECODE function will return null (if no matches are found). Lets apply this function on emp table. Emp table has 3 dept numbers like 10,20 and 30. So if I want to display the different dept names based on ID, I have to use IF THEN ELSE condition. IF deptno=10 THEN "DEPT1" ELSE deptno=20 THEN "DEPT2" ELSE deptno=30 THEN "DEPT3" This entire IF block can be achived using single DECODE(). DECODE(deptno,10,'DEPT1',20,'DEPT2',30,'DEPT3') Query used in Video: select empno,ename,deptno,DECODE(deptno,10,'DEPT1',20,'DEPT2',30,'DEPT3') from emp;
Views: 5395 WingsOfTechnology
#7. Oracle PL/SQL for Beginners - If Statements (Hindi)
 
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Views: 45 Ishwar Academy
70. IF ELSE construct in PL/SQL Oracle
 
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In this video you will learn about IF ELSE construct in PL/SQL Oracle. For Support =========== Email: [email protected] Contact Form: http://www.learninhindi.com/home/contact Our Social Media ================ Facebook: https://www.facebook.com/LearnInHindi Twitter: https://twitter.com/LearnInHindi For Training & Videos ===================== For more videos and articles visit: http://www.learninhindi.com Free Java Programming In Hindi Course ===================================== https://www.youtube.com/playlist?list=PLOZ3jentlCDAwwhMyoLISrxkXTADGp7PH Free Oracle PL/SQL Programming In Hindi Course ============================================== https://www.youtube.com/playlist?list=PLB5DA82419C2D99B6 Free C Programming In Hindi Course ================================== https://www.youtube.com/playlist?list=PLOZ3jentlCDAxKpBLMWogxSdy6BZcsAJq Trips & Tricks Channel ====================== https://www.youtube.com/channel/UCGmLfkuCo-3lHHJXRJ9HUMw Programming in Hindi Channel ============================ https://www.youtube.com/channel/UCudElIDgwNrybeAvXIy1HZQ
Views: 4909 ITORIAN
PL/SQL tutorial IF THEN ELSE (IF-ELSE) Statement in PL/SQL
 
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This video is about pl sql basics,pl sql basic programs,basic pl sql programs,oracle pl sql basics,pl sql basics with examples,basic pl sql,basic pl sql queries,basics of pl sql,pl sql basics tutorial,pl sql basic concepts,basic pl
Views: 155 Nayabsoft
Difference between Case and Decode
 
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This video tutorial explains on how case statement and decode function are different from each other. Though both of them are used in giving the if-then-else conditional functionality to sql statement, they differ much from each other, this video will walk through each of the difference with appropriate examples. If you want more such videos of exciting and amazing 'difference between' concepts, check out the links below : char and varchar2 : https://youtu.be/039qzwjWf4k replace and translate : https://youtu.be/HKYF77BGzOE procedure and function : https://youtu.be/q3LmOenL120 in and exists : https://youtu.be/REX4IjRYlFw rank and dense_rank : https://youtu.be/WGSX998hZ9M delete and truncate : https://youtu.be/u76wMm2byXo %type and %rowtype : https://youtu.be/MlLUFeZ_3eM
Views: 11320 Kishan Mashru
Conditional statements (if-then-else/case)
 
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This tutorial shows how to use conditional statements in SCAR Divi.
Views: 562 scardivicom
EXIST Function in SQL
 
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Join Discussion: http://www.techtud.com/video-lecture/exist-function-sql IMPORTANT LINKS: 1) Official Website: http://www.techtud.com/ 2) Virtual GATE: 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 the regularly uploaded new videos.
Views: 34701 Techtud
Oracle Sql Step by Step Approach (071 if then else case statement)
 
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Oracle Sql Step by Step Approach (071 if then else case statement) Discover essential SQL skills necessary to transform you into SQL developer which can earn you $70k+ in the IT Industry Learn to become a fee-earning SQL developer in just seven weeks. This fast, easy and effective course will take you from zero sql writing skills to being able to make money as a SQL developer. This one-stop-shot-style SQL course will teach you everything you need to know about SQL, from learning various database concepts to writing SQL to interact with the database. Throughout this SQL course I will be using the below methodology to make you think and help in forming the SQL statement. Like,Comment,Share
PL/SQL tutorial 3: SELECT INTO statement in PL/SQL by Manish Sharma RebellionRider
 
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How to initialize the variable by fetching values from the table of the database or by using SELECT INTO statement in PL/SQL by Manish Sharma RebellionRider ------------------------------------------------------------------------ ►►►LINKS◄◄◄ Blog : http://bit.ly/select-into-statement-pl-sql Previous Tutorial ► Variables: https://youtu.be/2MNmodawvnE ------------------------------------------------------------------------- ►►►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/ 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: 116150 Manish Sharma
PL/SQL Tutorial | COALESCE Function in Oracle Database
 
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Learn fetching all non-null expression using oracle Coalesce function with example. If all expressions evaluate to null, then the COALESCE function will return null. Coalesce function in Oracle, What is coalesce function, When to use coalesce function, How to use coalesce function in oracle, How to fetch non-null values in oracle using coalesce, Linkedin: https://www.linkedin.com/in/aditya-kumar-roy-b3673368/ Facebook: https://www.facebook.com/SpecializeAutomation/
IF  ELSE con Oracle
 
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EJEMPLO y MAS INFORMACIÓN VISITA:
Views: 661 NubsDataBase
PL-SQL tutorial 24 - Selection Control Structure IF-ELSE
 
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Hi guys today i am going to explain about Selection Control Structure IF-ELSE in PL/SQL how to write a code in condition. Oracle database Unbeatable,Unbreakable Platform..
Views: 220 Oracle World
Oracle SQL Tutorial - If condition using Decode and Case Statements
 
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In this tutorial, we will see how to use CASE and DECODE to construct an IF ELSE conditions in SQL. SQL used in this video are given below. Also, note as mentioned in video, the values we substitute for different data should be of same data type. select * from emp_test; Male Female better than just F IF gender = 'M' then print 'MALE', gender = 'F' then print 'Female', ELSE, print 'Unknown' select first_name,gender from emp_test; select first_name,DECODE(GENDER,'M','Male','F','Female','Unknown') Gender from emp_test; SELECT first_name,DECODE(GENDER,'M','Male','F','Female') Gender FROM emp_test; SELECT first_name, CASE GENDER WHEN 'M' THEN 'MALE' WHEN 'F' THEN 'FEMALE' END AS GENDER FROM EMP_TEST; SELECT first_name, CASE GENDER WHEN 'M' THEN 'MALE' WHEN 'F' THEN 'FEMALE' ELSE 'UNKNOWN' END AS GENDER FROM EMP_TEST; SB - Savings Bank CA - CURRENT ACCOUNT FD - Fixed Deposit LA - Loan ACCOUNT
Views: 14 Ganesh Anbarasu
Oracle SOA Suit 12c IF ELSE Activity in BPEL (Creating Demo Calulator)
 
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This video is all about How to use IF Else activity in BPEL, SOA 12c
Views: 2135 Amit Gaur
PL SQL Tutorials for Beginners | IF THEN ELSE Conditions
 
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PL/SQL includes procedural language elements such as conditions and loops. It allows declaration of constants and variables, procedures and functions, types and variables of those types, and triggers. It can handle exceptions (runtime errors). Arrays are supported involving the use of PL/SQL collections. Implementations from version 8 of Oracle Database onwards have included features associated with object-orientation. One can create PL/SQL units such as procedures, functions, packages, types, and triggers, which are stored in the database for reuse by applications that use any of the Oracle Database programmatic interfaces. The IF-THEN-ELSIF statement allows you to choose between several alternatives. An IF-THEN statement can be followed by an optional ELSIF...ELSE statement. The ELSIF clause lets you add additional conditions. When using IF-THEN-ELSIF statements there are few points to keep in mind. It's ELSIF, not ELSEIF An IF-THEN statement can have zero or one ELSE's and it must come after any ELSIF's. An IF-THEN statement can have zero to many ELSIF's and they must come before the ELSE. Once an ELSIF succeeds, none of the remaining ELSIF's or ELSE's will be tested. Subscribe to our Channel for more videos https://www.youtube.com/channel/UC7sbHUgN8FnJEZkEjvKTwJg
Views: 125 Puzzle Guru
Conditional Operators in Oracle Database | Oracle Tutorials for Beginners
 
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Conditional Operators in Oracle Database | Oracle Tutorials for Beginners Oracle Tutorials for Beginners Conditional Operators in Oracle Database Conditional Operators in Oracle Database Conditional Operators in Oracle SQL Greater than, Less than in Oracle Equal to in Oracle Not Equal to Operator in Oracle conditional operator in oracle conditional operator in oracle conditional operator in oracle Oracle Conditional Operators
Views: 269 Oracle PL/SQL World
Oracle tutorial : User Defined Exception in Oracle PL SQL
 
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Oracle tutorial: User Defined Exception in Oracle PL SQL pl sql exception handling pl sql exception handling examples This video will show you how to raise user defined exceptions in oracle. Example: BEGIN IF condition THEN RAISE exception_name; END IF; EXCEPTION WHEN exception_name THEN statement; END; 1)We can defined exception to make your own exception. 2)This exception must be declare yourself and RAISE statement to raise explicitly. Declare exception : user_define_exception_name EXCEPTION; RAISE exception : RAISE user_define_exception_name; How to use : WHEN user_define_exception_name THEN //User Action lets see an example DECLARE exception1 EXCEPTION; g NUMBER; BEGIN FOR g IN (SELECT * FROM EMPLOYEE) LOOP IF g.ID = 7 THEN RAISE exception1; END IF; END LOOP; EXCEPTION WHEN exception1 THEN dbms_output.put_line(‘WE HAVE FOUND EMPLOYEE NUMBER 7’); END; / Subscribe on youtube: https://www.youtube.com/channel/UCpiyAesWNYOXSz5GPq8lbkA For more tutorial please visit #techquerypond https://techquerypond.com https://techquerypond.wordpress.com https://twitter.com/techquerypond
Views: 182 Tech Query Pond
HAVING clause and difference with GROUP BY & WHERE clause in SQL statement
 
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Using HAVING clause and difference with GROUP BY & WHERE clause in SQL statement Link for scripts on my blog: https://sqlwithmanoj.com/2015/05/23/sql-basics-difference-between-where-group-by-and-having-clause/ Check the whole "SQL Server Basics" series here: https://www.youtube.com/playlist?list=PLU9JMEzjCv14f3cWDhubPaddxRvx1reKR Check my SQL blog at: http://sqlwithmanoj.com/ Check my SQL FB Page at: https://www.facebook.com/sqlwithmanoj
Views: 59870 SQL with Manoj
The SQL EXISTS clause
 
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How to use the EXISTS clause in SQL. For beginners.
Views: 22045 Database by Doug
The CASE Statement (Introduction to Oracle SQL)
 
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Learn what the CASE statement is and how to use it. The full Introduction to Oracle SQL course is available here: https://www.databasestar.com/introduction-to-oracle-sql-course/
Views: 176 Database Star
Nested If Then Else statement in pl/sql
 
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Nested If Then Else statement in pl/sql Share, Support, Subscribe!!! Subscribe: https://www.youtube.com/channel/UC1P3... Youtube: https://www.youtube.com/channel/UC1P3... Twitter: https://twitter.com/csetuts4you Facebook: https://www.facebook.com/csetuts4you/ Instagram: https://www.instagram.com/csetuts4you/ Google Plus: https://plus.google.com/u/0/+csetuts4you About : This is my youtube channel its name is Technical Notes that means computer science and engineering tutorials for you. the aim of my channel is to provide you to the best programming language concept and other subjective concept and different technology concept. so friends please visit to my Technical Notes youtube channel and subscribe it. this is fully free channel. and please share this link to all yours friends to get these benefits.., New Video is Posted Everyday :)
Views: 17 Technical Notes
Oracle PLSQL Functions more examples
 
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Oracle PLSQL Functions more examples
Views: 1915 Subhroneel Ganguly
SQL SELECT statement database basics tutorial: learning, writing, using, examples
 
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SQL SELECT statement is the most commonly used command. Our SQL basics tutorial teaches you (writing and using) that SQL SELECT statement is used to query or retrieve data from a table in the database. Get more on Portnov Computer School website - http://www.portnov.com A query may retrieve information from specified columns or from all of the columns in the table. To create a simple SQL SELECT Statement, you must specify the column(s) name and the table name. The whole query is called SQL SELECT Statement. The SQL SELECT statement returns a result set of records from one or more tables. A SELECT statement retrieves zero or more rows from one or more database tables or database views. In most applications, SELECT is the most commonly used Data Manipulation Language (DML) command. As SQL is a declarative programming language, SELECT queries specify a result set, but do not specify how to calculate it. The database translates the query into a "query plan" which may vary between executions, database versions and database software. This functionality is called the "query optimizer" as it is responsible for finding the best possible execution plan for the query, within applicable constraints. Expressions combine many arithmetic operators, they can be used in SELECT, WHERE and ORDER BY Clauses of the SQL SELECT Statement. Here we will explain how to use expressions in the SQL SELECT Statement. About using expressions in WHERE and ORDER BY clause, they will be explained in their respective sections. The operators are evaluated in a specific order of precedence, when more than one arithmetic operator is used in an expression. The order of evaluation is: parentheses, division, multiplication, addition, and subtraction. The evaluation is performed from the left to the right of the expression.
Views: 178465 portnovschool
Oracle Select Like '% _' With Where Clause تعليم أوراكل
 
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by Mohamed El Desouki - محمد الدسوقى [email protected] Tel :00966 553450836 جامعة سلمان بن عبد العزيز - السعودية - الخرج How to use the Like condition with the Where Clause. البحث عن معلومة غير مكتملة Text Book: Fundamentals of Database Systems, 5th Edition, by Elmasri/Navathe, published by Addison-W oracle create table statement oracle drop table statement oracle constraints database constraints primary key constraint foreign key constraint check constraint null not null constraint unique constraint insert into statement update statement delete statement select statement basic query where clause select where Like '%' Like '_' select where Like
PL/SQL Tutorial 15- PL_SQL WHILE LOOP Statements in Oracle Database By JavaInHand (in Hindi)
 
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How to used while loop in pl/sql? While loop example while loop syntax ------------------------------------------------------------ www.javainhand.com
Views: 297 JavaInHand
SQL tutorial 50  CASE   Searched Case Expression In Oracle
 
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SQL tutorial 50 CASE Searched Case Expression In Oracle, IF-THEN-ELSE in oracle database. There are two type of case in oracle simple case expression and searched case expression http://bit.ly/2iMlyOg
Views: 19 Mehr Nigar
Control Statements in C - for loop | C Language Tutorial
 
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C Language Tutorial Videos | Mr. Srinivas ** For Online Training Registration: https://goo.gl/r6kJbB ? Call: +91-8179191999 ? Visit Our Website for Classroom Training: https://nareshit.in/c-language-training/ ? For Online Training: https://nareshit.com/course/c-language-online-training/ -------------------------- ? About NareshIT: "Naresh IT is having 14+ years of experience in software training industry and the best Software Training Institute for online training, classroom training, weekend training, corporate training of Hadoop, Salesforce, AWS, DevOps, Spark, Data Science, Python, Tableau, RPA ,Java, C#.NET, ASP.NET, Oracle, Testing Tools, Silver light, Linq, SQL Server, Selenium, Android, iPhone, C Language, C++, PHP and Digital Marketing in USA,Hyderabad, Chennai and Vijayawada,Bangalore India which provides online training across all the locations -------------------------- ? Our Online Training Features: 1.Training with Real-Time Experts 2.Industry Specific Scenario’s 3.Flexible Timings 4.Soft Copy of Material 5. Share Videos of each and every session. -------------------------- Please write back to us at [email protected]/[email protected] or Call us at USA: +1404-232-9879 or India: +918179191999 ** Check The Below Links** ? For Course Reg: https://goo.gl/r6kJbB ? Subscribe to Our Channel: https://goo.gl/q9ozyG ? Circle us on G+: https://plus.google.com/NareshIT ? Like us on Facebook: https://www.facebook.com/NareshIT ? Follow us on Twitter: https://twitter.com/nareshitech ? Follow us on Linkedin: https://in.linkedin.com/company/naresh-i-technologies ? Follow us on Instagram: https://www.instagram.com/nareshitech/
Views: 157037 Naresh i Technologies
Programming Language: Nested if-else
 
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This lecture describes the concept and syntax of Nested if-else. To ask your doubts on this topic and much more, click here: http://www.techtud.com/video-lecture/lecture-nested-if-else
Views: 537 Techtud
SQL 063 Scalar Functions, CASE WHEN ELSE or IF THEN ELSE?
 
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Explains the CASE WHEN ELSE Statement Scalar Function in place of IF THEN ELSE. From http://ComputerBasedTrainingInc.com SQL Course. Learn by doing SQL commands for ANSI Standard SQL, Access, DB2, MySQL, Oracle, PostgreSQL, and SQL Server.
Views: 3928 cbtinc
Oracle DBA Justin - PL/SQL # 6: How to use if condition testing
 
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How to use if condition testing
Views: 3643 jbleistein11
Loops in SQL Part - 1
 
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A loop that executes an unlimited number of times. It encloses a sequence of statements between the keywords LOOP and END LOOP . ... If and only if the value of this expression is TRUE , the statements after LOOP execute. cursor_for_loop_statement. Issues a SQL query and loops through the rows in the result set. Writing Loops in SQL. In programming, a loop allows you to write a set of code that will run repeatedly within the same program. Many programming languages have several different types of loop to choose from, but in SQL Server there is only one: the WHILE loop TYPES OF LOOPS 1 SIMPLE LOOPS 2 CURSOR FOR LOOPS 3 WHILE LOOPS 4 NUMARIC FOR LOOPS A loop that executes an unlimited number of times. It encloses a sequence of statements between the keywords LOOP and END LOOP . With each iteration, the sequence of statements is executed, then control resumes at the top of the loop. An EXIT , GOTO , or RAISE statement branches out of the loop. At each iteration, the sequence of statements is executed and then control resumes at the top of the loop. 2. PL/SQL WHILE LOOP. Repeats a statement or group of statements while a given condition is true. It tests the condition before executing the loop body. Variables in SQL procedures (DECLARE, SET statements) ... Values can be assigned to variables using the SET statement or the SELECT INTO statement or as a default value when the variable is declared. Literals, expressions, the result of a query, and special register values can be assigned to variables. The WHILE loop test at the start of the loop and it the condition is false, the loop code is never executed. ... This is referred to as a REPEAT-UNTIL or DO-WHILE loop. PL/SQL does not directly implement a REPEAT-UNTIL loop however it is easy to construct one using an endless loop. The init step is executed first, and only once. This step allows you to declare and initialize any loop control variables. ... If it is true, the loop executes and the process repeats itself (body of loop, then increment step, and then again condition). After the condition becomes false, the 'for' loop terminates.
Views: 18 Technology mart
SQL With - How to Use the With (CTE) Statement in SQL Server - SQL Training Online
 
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http://www.sqltrainingonline.com SQL With - How to Use the WITH Statement/Common Table Expressions (CTE) in SQL Server - SQL Training Online In this video, I introduce the SQL WITH statement (also known as Common Table Expressions or CTE) and show you the basics of how it is used. The SQL WITH Statement is called Common Table Expressions or CTE for short in SQL Server The SQL WITH statement is used for 2 primary reasons: 1) To move Subqueries to make the SQL easier to read. 2) To do recursive queries in SQL Today, I just want to talk about the subquery piece. I first want to take a look at the Employee table in the SQL Training Online Simple Database. select * from employee To talk about the SQL WITH statement, I have to first talk about and show you a subquery. select * from ( select * from employee ) a So that is an example of a subquery. But, we want to talk about the SQL WITH, which allows you to move the subquery up and make the SQL a lot easier to read. Here is the same query using the WITH statement. WITH cteEmployee (employee_number,employee_name,manager) AS ( select employee_number,employee_name,manager from employee ) select * from cteEmployee You can see that we start with the WITH clause and then we can use any name we want to name our CTE. In this case, I use "cteEmployee". Then we need to specify the columns inside of parenthesis. Next comes the AS clause. And finally, we just SELECT from the cteEmployee table we created. And, that's it. But, I want to take it a step further and join the cteEmployee CTE back to the Employee table and get the Manager's name. Here is an example of that. WITH cteEmployee (employee_number,employee_name,manager) AS ( select employee_number,employee_name,manager from employee ) select cte.employee_number ,cte.employee_name ,cte.manager ,e.employee_name as manager_name from cteEmployee cte INNER JOIN employee e on cte.manager = e.employee_number That's it. That is the basic introduction into the SQL WITH statement in SQL Server. Microsoft also has some good examples on this. Let me know what you think by commenting or sharing on twitter, facebook, google+, etc. If you enjoy the video, please give it a like, comment, or subscribe to my channel. You can visit me at any of the following: SQL Training Online: http://www.sqltrainingonline.com Twitter: http://www.twitter.com/sql_by_joey Google+: https://plus.google.com/#100925239624117719658/posts LinkedIn: http://www.linkedin.com/in/joeyblue Facebook: http://www.facebook.com/sqltrainingonline
Views: 19743 Joey Blue
Case Statement in SQL
 
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In SQL Server, the CASE statement has the functionality of an IF-THEN-ELSE statement.You can use the CASE statement within a SQL statement.
Views: 1436 Himadri Patel

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