Return number from a function : Function Return « Function Procedure Packages « Oracle PL/SQL Tutorial

Oracle PL/SQL Tutorial

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Oracle PL/SQL Tutorial » Function Procedure Packages » Function Return

27. 3. 3. Return number from a function


SQL> set serveroutput on

SQL> set echo on

SQL>

SQL> CREATE OR REPLACE FUNCTION squareme(thenum number)

  2       RETURN NUMBER IS

  3  BEGIN

  4       RETURN thenum * thenum;

  5  END squareme;

  6  /



Function created.



SQL>

SQL> BEGIN

  2       DBMS_OUTPUT.PUT_LINE('9 squared is ' || squareme(9) );

  3  END;

  4  /

9 squared is 81



PL/SQL procedure successfully completed.

27. 3. Function Return
	27. 3. 1.	Return Types
	27. 3. 2.	Returning values with functions
	27. 3. 3.	Return number from a function
	27. 3. 4.	Return value from a function
	27. 3. 5.	Multiple RETURN Statements
	27. 3. 6.	Returning a list based on parameters
	27. 3. 7.	Return date value from a function
	27. 3. 8.	A pipelined Table Function that returns a PL/SQL type
	27. 3. 9.	Return column type
	27. 3. 10.	Statements after Return will not be executed
	27. 3. 11.	create a function to return a employee record. accept employee numner return all fields.
	27. 3. 12.	Return a table collection
	27. 3. 13.	Demonstrate returning a record.
	27. 3. 14.	Return cursor from function
	27. 3. 15.	Return user-defined type

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