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How do you exit a block in PL SQL?

by Chase Collins

How do you exit a block in PL SQL?

EXIT; — not allowed END IF; END; Remember, the EXIT statement must be placed inside a loop. To complete a PL/SQL block before its normal end is reached, you can use the RETURN statement. For more information, see “Using the RETURN Statement”.

What does exit do in PL SQL?

The EXIT-WHEN statement allows the condition in the WHEN clause to be evaluated. If the condition is true, the loop completes and control passes to the statement immediately after the END LOOP. A statement inside the loop must change the value of the condition.

How do you exit in SQL?

How to exit MySQL command prompt?

  1. exit.
  2. Ctrl C.
  3. Ctrl D.
  4. quit.
  5. Ctrl \
  6. Ctrl Z.
  7. bye.

How do you exit a loop cursor in PL SQL?

5 Answers

  1. simple exit. loop –do something; exit; end loop;
  2. conditional exit. loop –do something; exit when “condition”; end loop;

What is trigger in PL SQL with examples?

Triggers are stored programs, which are automatically executed or fired when some events occur. Triggers are, in fact, written to be executed in response to any of the following events − A database manipulation (DML) statement (DELETE, INSERT, or UPDATE) A database definition (DDL) statement (CREATE, ALTER, or DROP).

What is control structure of PL SQL block?

Overview of PL/SQL Control Structures The selection structure tests a condition, then executes one sequence of statements instead of another, depending on whether the condition is true or false. The iteration structure executes a sequence of statements repeatedly as long as a condition holds true.

How do you exit a for loop?

The break statement exits a for or while loop completely. To skip the rest of the instructions in the loop and begin the next iteration, use a continue statement. break is not defined outside a for or while loop. To exit a function, use return .

Which form of continue will exit any loop in PL SQL?

Oracle Database 11g offers a new feature for loops: the CONTINUE statement. Use this statement to exit the current iteration of a loop, and immediately continue on to the next iteration of that loop. This statement comes in two forms, just like EXIT: the unconditional CONTINUE and the conditional CONTINUE WHEN.

How do I exit SQL Plus?

To exit SQL*Plus command-line, enter EXIT. To exit the Windows GUI, enter EXIT or select Exit from the File menu. In iSQL*Plus, the EXIT or QUIT command halts the script currently running, it does not terminate your session.

How will you exit database?

8 Answers. Type \q and then press ENTER to quit psql . As of PostgreSQL 11, the keywords ” quit ” and ” exit ” in the PostgreSQL command-line interface have been included to help make it easier to leave the command-line tool.

How do you write a loop in PL SQL?

PL/SQL For Loop Example 2

  1. DECLARE.
  2. VAR1 NUMBER;
  3. BEGIN.
  4. VAR1:=10;
  5. FOR VAR2 IN 1..10.
  6. LOOP.
  7. DBMS_OUTPUT.PUT_LINE (VAR1*VAR2);
  8. END LOOP;

What are PL SQL triggers?

In this chapter, we will discuss Triggers in PL/SQL. Triggers are stored programs, which are automatically executed or fired when some events occur. Triggers are, in fact, written to be executed in response to any of the following events − A database manipulation (DML) statement (DELETE, INSERT, or UPDATE)