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Oracle Tutorials - Use "WHILE" Loop Statements

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How To Use "WHILE" Loop Statements?

If you have a block of codes to be executed repeatedly based a condition, you can use the "WHILE ... LOOP" statement. Here is a sample script on WHILE statements:

  total NUMBER;
  total := 0;
  WHILE total < 10 LOOP
    total := total+1;
  DBMS_OUTPUT.PUT_LINE('Total counts: ' || TO_CHAR(total));

This script should print this:

Total counts: 10

(Continued on next topic...)

  1. Is PL/SQL Language Case Sensitive?
  2. How To Enter Comments in PL/SQL?
  3. What Are the Types of PL/SQL Code Blocks?
  4. What Is an Anonymous Block?
  5. What Is a Named Program Unit?
  6. What Is a Procedure?
  7. What Is a Function?
  8. How To Declare a Local Variable?
  9. How To Initialize Variables with Default Values?
  10. How To Assign Values to Variables?
  11. What Are the Arithmetic Operations?
  12. What Are the Numeric Comparison Operations?
  13. What Are the Logical Operations?
  14. How Many Categories of Data Types?
  15. How Many Scalar Data Types Are Supported in PL/SQL?
  16. How To Convert Character Types to Numeric Types?
  17. What Are the Execution Control Statements?
  18. How To Use "IF" Statements on Multiple Conditions?
  19. How To Use "WHILE" Loop Statements?
  20. How To Use "FOR" Loop Statements?
  21. What Is NULL in PL/SQL?
  22. How To Test NULL Values?

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