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Oracle Tutorials - PL/SQL Anonymous Block

By: FYIcenter.com

(Continued from previous topic...)

What Is an Anonymous Block?

An anonymous block is a PL/SQL code block with no name. It consists of three parts:

  • Declaration Part - Defining local variables and local procedures. Declaration part is optional.
  • Execution Part - Defining execution logic with executable statements. Execution part is required.
  • Exception Part - Defining error handling logics. Exception part is optional.

Here how a complete anonymous block should look like:

DECLARE 
  -- Declaration statements
BEGIN
  -- Executable statements
EXCEPTION
  -- Error handling statements
END;

(Continued on next topic...)

  1. Is PL/SQL Language Case Sensitive?
  2. How To Enter Comments in PL/SQL?
  3. What Are the Types of PL/SQL Code Blocks?
  4. What Is an Anonymous Block?
  5. What Is a Named Program Unit?
  6. What Is a Procedure?
  7. What Is a Function?
  8. How To Declare a Local Variable?
  9. How To Initialize Variables with Default Values?
  10. How To Assign Values to Variables?
  11. What Are the Arithmetic Operations?
  12. What Are the Numeric Comparison Operations?
  13. What Are the Logical Operations?
  14. How Many Categories of Data Types?
  15. How Many Scalar Data Types Are Supported in PL/SQL?
  16. How To Convert Character Types to Numeric Types?
  17. What Are the Execution Control Statements?
  18. How To Use "IF" Statements on Multiple Conditions?
  19. How To Use "WHILE" Loop Statements?
  20. How To Use "FOR" Loop Statements?
  21. What Is NULL in PL/SQL?
  22. How To Test NULL Values?

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