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Oracle Tutorials - Open and Close an Explicit Cursor

By: FYIcenter.com

(Continued from previous topic...)

How To Open and Close an Explicit Cursor?

An existing cursor can be opened or closed by the OPEN or CLOSE statement as shown in the following sample script:

DECLARE
  CURSOR c_list IS SELECT * FROM countries;
  CURSOR t_list IS SELECT * FROM employees
    WHERE employee_id = 100;
BEGIN
  OPEN c_list;
  OPEN t_list; 
  CLOSE c_list;
  CLOSE t_list; 
END;
/

(Continued on next topic...)

  1. What Is a Cursor?
  2. How Many Types of Cursors Supported in PL/SQL?
  3. What Is the Implicit Cursor?
  4. How To Use Attributes of the Implicit Cursor?
  5. How To Loop through Data Rows in the Implicit Curosr?
  6. How To Define an Explicit Cursor?
  7. How To Open and Close an Explicit Cursor?
  8. How To Retrieve Data from an Explicit Cursor?
  9. How To Retrieve Data from a Cursor to a RECORD?
  10. How To Use FETCH Statement in a Loop?
  11. How To Use an Explicit Cursor without OPEN Statements?
  12. Can Multiple Cursors Being Opened at the Same Time?
  13. How To Pass a Parameter to a Cursor?
  14. What Is a Cursor Variable?
  15. How To Define a Cursor Variable?
  16. How To Open a Cursor Variable?
  17. How To Loop through a Cursor Variable?
  18. How To Pass a Cursor Variable to a Procedure?
  19. Why Cursor Variables Are Easier to Use than Cursors?

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