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Oracle Tutorials - Retrieve Field Values from RECORD Variables

By: FYIcenter.com

(Continued from previous topic...)

How To Retrieve Values from Data Fields in RECORD Variables?

If a variable is a RECORD variable with data fields assigned values, you can retrieve those values out of its data fields by using fields names prefixed with variable name as "variable.field_name". Here is a sample script showing you how to retrieve field values from RECORD variables:

  TYPE student IS RECORD (
    id NUMBER(5),
    first_name VARCHAR(80),
    last_name VARCHAR(80)
  best_student student;
  another_student student;
  class_name VARCHAR2(80);
  class_name := 'FYI Center 2006';
  best_student.first_name := 'The';
  best_student.last_name := 'Best';
  DBMS_OUTPUT.PUT_LINE('Best student = ' || 
    best_student.first_name || ' ' 
    || best_student.last_name);
Best student = The Best

(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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