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Oracle Tutorials - Define a Procedure inside another Procedure

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How To Define a Procedure inside Another Procedure?

Define a procedure inside another procedure is supported by PL/SQL. The following tutorial script shows you an example:

SQL> CREATE OR REPLACE PROCEDURE HR.DBA_WEEK AS
  2    PROCEDURE DBA_TASK (day VARCHAR2) AS
  3    BEGIN
  4      IF day = 'MONDAY' THEN
  5        DBMS_OUTPUT.PUT_LINE('Checking log files.');
  6      ELSIF day = 'FRIDAY' THEN
  7        DBMS_OUTPUT.PUT_LINE('Rebuild indexes.');
  8      ELSE
  9        DBMS_OUTPUT.PUT_LINE('Reading some papers.');
 10      END IF;
 11    END;
 12  BEGIN
 13    DBA_TASK('MONDAY');
 14    DBA_TASK('TUESDAY');
 15  END;
 16  /
 
SQL> EXECUTE DBA_WEEK;
Checking log files.
Reading some papers.

Remember that procedures used inside a procedure must be defined in the declaration block.

(Continued on next topic...)

  1. What Is PL/SQL?
  2. What Are the Types PL/SQL Code Blocks?
  3. How To Define an Anonymous Block?
  4. How Many Anonymous Blocks Can Be Defined?
  5. How To Run the Anonymous Block Again?
  6. What Is a Stored Program Unit?
  7. How To Create a Stored Program Unit?
  8. How To Execute a Stored Program Unit?
  9. How Many Data Types Are Supported?
  10. What Are the Execution Flow Control Statements?
  11. How To Use SQL Statements in PL/SQL?
  12. How To Process Query Result in PL/SQL?
  13. How To Create an Array in PL/SQL?
  14. How To Manage Transaction Isolation Level?
  15. How To Pass Parameters to Procedures?
  16. How To Define a Procedure inside Another Procedure?
  17. What Do You Think about PL/SQL?

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