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Oracle Tutorials - Use "FOR" Loop Statements
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How To Use "FOR" Loop Statements?
If you have a block of codes to be executed repeatedly over a range of values,
you can use the "FOR ... LOOP" statement. Here is a sample script on FOR statements:
total NUMBER := 0;
FOR i IN 1..10 LOOP
total := total + i;
DBMS_OUTPUT.PUT_LINE('Total: ' || TO_CHAR(total));
Note that temporary variable "i" used in the FOR loop needs no declaration. This script should print this:
(Continued on next topic...)
- Is PL/SQL Language Case Sensitive?
- How To Enter Comments in PL/SQL?
- What Are the Types of PL/SQL Code Blocks?
- What Is an Anonymous Block?
- What Is a Named Program Unit?
- What Is a Procedure?
- What Is a Function?
- How To Declare a Local Variable?
- How To Initialize Variables with Default Values?
- How To Assign Values to Variables?
- What Are the Arithmetic Operations?
- What Are the Numeric Comparison Operations?
- What Are the Logical Operations?
- How Many Categories of Data Types?
- How Many Scalar Data Types Are Supported in PL/SQL?
- How To Convert Character Types to Numeric Types?
- What Are the Execution Control Statements?
- How To Use "IF" Statements on Multiple Conditions?
- How To Use "WHILE" Loop Statements?
- How To Use "FOR" Loop Statements?
- What Is NULL in PL/SQL?
- How To Test NULL Values?