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Oracle Tutorials - Update a Table Row with a RECORD

By: FYIcenter.com

(Continued from previous topic...)

How To Update a Table Row with a RECORD?

If you have a RECORD variable with data fields matching a table structure, you can update a row in this table with this RECORD variable using the UPDATE ... SET ROW statement as shown in the sample script below:

CREATE TABLE emp_temp AS SELECT * FROM employees;

CREATE OR REPLACE PROCEDURE FYI_CENTER AS
  manager employees%ROWTYPE;
BEGIN
  SELECT * INTO manager FROM employees
    WHERE employee_id = 100;
  manager.employee_id := 299;
  INSERT INTO emp_temp VALUES manager;
  manager.first_name := 'FYI';
  manager.last_name := 'Center';
  UPDATE emp_temp SET ROW = manager WHERE employee_id = 299;
  DBMS_OUTPUT.PUT_LINE('# rows updated = ' || SQL%ROWCOUNT); 
END;
/
# rows updated = 1

(Continued on next topic...)

  1. Can DML Statements Be Used in PL/SQL?
  2. Can DDL Statements Be Used in PL/SQL?
  3. Can Variables Be Used in SQL Statements?
  4. What Happens If Variable Names Collide with Table/Column Names?
  5. How To Resolve Name Conflicts between Variables and Columns?
  6. How To Assign Query Results to Variables?
  7. Can You Assign Multiple Query Result Rows To a Variable?
  8. How To Invoke Built-in Functions in PL/SQL?
  9. How To Retrieve the Count of Updated Rows?
  10. What Is the Implicit Cursor?
  11. How To Assign Data of the Deleted Row to Variables?
  12. What Is a RECORD in PL/SQL?
  13. How To Define a Specific RECORD Type?
  14. How To Define a Variable of a Specific RECORD Type?
  15. How To Assign Values to Data Fields in RECORD Variables?
  16. How To Retrieve Values from Data Fields in RECORD Variables?
  17. How To Define a Data Field as NOT NULL?
  18. How To Define a RECORD Variable to Store a Table Row?
  19. How To Assign a Table Row to a RECORD Variable?
  20. How To Insert a RECORD into a Table?
  21. How To Update a Table Row with a RECORD?
  22. How To Define a Variable to Match a Table Column Data Type?

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