download pl/sql tutorial (pdf - Tutorials Point
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NULLs in PL/SQL .................................................................................... 21<br />
Variables ................................................................................ 22<br />
Variable Declaration in PL/SQL ............................................................... 22<br />
Initializing Variables in PL/SQL ................................................................ 23<br />
Variable Scope in PL/SQL ....................................................................... 23<br />
Assigning SQL Query Results to PL/SQL Variables ................................ 24<br />
Constants ............................................................................... 26<br />
Declaring a Constant ............................................................................... 26<br />
The PL/SQL Literals ................................................................................ 27<br />
Operators ............................................................................... 28<br />
Arithmetic Operators ................................................................................ 28<br />
Exam<strong>pl</strong>e: .................................................................................................. 29<br />
Relational Operators ................................................................................ 29<br />
Exam<strong>pl</strong>e: .................................................................................................. 29<br />
Comparison Operators ............................................................................ 30<br />
LIKE Operator: ......................................................................................... 31<br />
BETWEEN Operator: ............................................................................... 31<br />
IN and IS NULL Operators: ...................................................................... 32<br />
Logical Operators .................................................................................... 33<br />
Exam<strong>pl</strong>e: .................................................................................................. 33<br />
PL/SQL Operator Precedence ................................................................. 33<br />
Exam<strong>pl</strong>e: .................................................................................................. 34<br />
Conditions .............................................................................. 35<br />
Syntax: ..................................................................................................... 36<br />
Flow Diagram: .......................................................................................... 36<br />
Exam<strong>pl</strong>e 1: ............................................................................................... 37<br />
Exam<strong>pl</strong>e 2: ............................................................................................... 37<br />
Syntax: ..................................................................................................... 38<br />
Flow Diagram: .......................................................................................... 38<br />
Exam<strong>pl</strong>e: .................................................................................................. 39<br />
Syntax: ..................................................................................................... 40<br />
Exam<strong>pl</strong>e: .................................................................................................. 40<br />
Syntax: ..................................................................................................... 40<br />
Flow Diagram: .......................................................................................... 41<br />
Exam<strong>pl</strong>e: .................................................................................................. 41<br />
Syntax: ..................................................................................................... 42<br />
Flow Diagram: .......................................................................................... 42<br />
Exam<strong>pl</strong>e: .................................................................................................. 42<br />
Syntax: ..................................................................................................... 43<br />
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