PERIOD_ADD() function in MySQL

PERIOD_ADD() function in MySQL helps to add a specific number of months to a given period. The PERIOD_ADD() function will return the resultant value in ‘YYYYMM‘ format.

Syntax :

PERIOD_ADD(period, number)

Parameters :

• period –
  A period which should be in YYMM OR YYYYMM format.
• number –
  The number of months which will be added to a given period, the value can be negative or positive.

Result :
The function will return the resultant value after adding a specific number of months to the given period.

Example-1 :
Adding months to a given period using PERIOD_ADD() function.

SELECT PERIOD_ADD(202011, 9) As New_period;

Output :

New_period
202108

Example-2 :
Subtracting months from a given period using PERIOD_ADD() function.

SELECT PERIOD_ADD(202102, -5) As New_period;

Output :

New_period
202009

Example-3 :
Adding and Subtracting months from a two-digit year period.

SELECT  
PERIOD_ADD(2109, -5) As New_period1,
PERIOD_ADD(2109, +5) As New_period2;

Output :

New_period1	New_period2
202104	202202

Example-4 :
Using the Current Date and Extract functions.

SELECT  
   CURDATE( ) AS 'Curr_date',
   EXTRACT(YEAR_MONTH FROM CURDATE( )) AS 'Curr_period',
   PERIOD_ADD(EXTRACT(YEAR_MONTH FROM CURDATE( )), 11) AS 'New_period';

Output :

Curr_date	Curr_period	New_period
2020-11-30	202011	202110