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Oracle Tutorials - Data Types Supported in PL/SQL

By: FYIcenter.com

(Continued from previous topic...)

How Many Data Types Are Supported?

PL/SQL supports two groups of data types:

  • SQL Data Types - All data types used for table columns.
  • PL/SQL Special Data Types - Like BOOLEAN or PLS_INTEGER.

The script below shows some data type examples:

SQL> set serveroutput on;

SQL> DECLARE                                                        
  2    title VARCHAR(8);                                            
  3    salary NUMBER;                                               
  4    seeking_job BOOLEAN;                                         
  5  BEGIN                                                          
  6    title := 'DBA';                                              
  7    salary := 50000;                                             
  8    seeking_job := TRUE;                                         
  9    DBMS_OUTPUT.PUT_LINE('Job Title: ' || title);                
 10    DBMS_OUTPUT.PUT_LINE('Expected salary: ' 
 11       || TO_CHAR(salary));
 12  END;                                                           
 13  /
Job Title: DBA
Expected salary: 50000

(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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