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PL/SQL GOTO Statement

In PL/SQL, GOTO statement makes you able to get an unconditional jump from the GOTO to a specific executable statement label in the same subprogram of the PL/SQL block.

Here the label declaration which contains the label_name encapsulated within the << >> symbol and must be followed by at least one statement to execute.

Syntax:

Here the label declaration which contains the label_name encapsulated within the << >> symbol and must be followed by at least one statement to execute.

Example of PL/SQL GOTO statement

Let's take an example of PL/SQL GOTO statement.

After the execution of above code, you will get the following result:

value of a: 30
value of a: 31
value of a: 32
value of a: 33
value of a: 34
value of a: 36
value of a: 37
value of a: 38
value of a: 39
value of a: 40
value of a: 41
value of a: 42
value of a: 43
value of a: 44
value of a: 45
value of a: 46
value of a: 47
value of a: 48
value of a: 49

Statement processed.

Restriction on GOTO statement

Following is a list of some restrictions imposed on GOTO statement.

  • Cannot transfer control into an IF statement, CASE statement, LOOP statement or sub-block.
  • Cannot transfer control from one IF statement clause to another or from one CASE statement WHEN clause to another.
  • Cannot transfer control from an outer block into a sub-block.
  • Cannot transfer control out of a subprogram.
  • Cannot transfer control into an exception handler.
Next TopicPL/SQL Procedure




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