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Oracle Tutorials - Process Query Result in PL/SQL

By: FYIcenter.com

(Continued from previous topic...)

How To Process Query Result in PL/SQL?

You can run queries (SELECT statements) in a PL/SQL code blocks, and process the results a loop as shown in the following script example:

SQL> set serveroutput on;

  2     FOR row IN
  3         (SELECT * FROM employees WHERE manager_id = 101)
  4         LOOP
  5       DBMS_OUTPUT.PUT_LINE('Name = ' || row.last_name);
  6     END LOOP;
  7  END;
  8  /
Name = Greenberg
Name = Whalen
Name = Mavris
Name = Baer
Name = Higgins

The loop statement in this script automatically sets a temporary variable "row" each row in the result set returned from the SELECT statement.

(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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