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Snippet Name: FUNCTIONS: Sample functions

Description: Functions to determine if a number is odd or even.

Also see:
» FUNCTIONS: Deterministic
» FUNCTIONS: Nested Functions
» FUNCTIONS: IF statement
» FUNCTIONS: date/time
» FUNCTIONS: drop
» FUNCTIONS: Recompile
» FUNCTIONS: DEBUG mode
» FUNCTIONS: IN OUT parameter
» FUNCTIONS: with output parameters
» FUNCTIONS: with parameters
» FUNCTIONS: without parameters
» FUNCTIONS: Create function
» FUNCTIONS: special restrictions
» FUNCTIONS: System Privileges
» IN Function
» Built-In Functions: CASE
» Built-In Functions: DECODE
» SUBST and INSTR together
» INSTR (InString)
» SUBSTR (SubString)
» String Functions: REVERSE
» String Functions: LENGTH
» String Functions: INSTR
» String Functions: CONCAT
» String Functions: CHAR
» String Functions: INITCAP
» String Functions: LOWER
» String Functions: UPPER
» Date Functions: NUMTOYMINTERVAL
» Date Functions: NUMTODSINTERVAL

Comment: (none)

Author: CoderZone
Language: PL/SQL
Highlight Mode: PLSQL
Last Modified: March 13th, 2009

--Function to determine if a number is even:
 
CREATE OR REPLACE FUNCTION is_even(num_in NUMBER) RETURN BOOLEAN IS
BEGIN
  IF MOD(num_in, 2) = 0 THEN
    RETURN TRUE;
  END IF; 
EXCEPTION
  WHEN OTHERS THEN
    RETURN FALSE;
END is_even;
/ 
 
 
 
 
-- Function to determine if a number is odd: 
 
CREATE OR REPLACE FUNCTION is_odd(num_in NUMBER) RETURN BOOLEAN IS
BEGIN
  RETURN MOD(num_in, 2) = 1;
EXCEPTION
  WHEN OTHERS THEN
    RETURN FALSE;
END is_odd;
/ 
 
 
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