# PERIOD\_ADD

## Syntax

```sql
PERIOD_ADD(P,N)
```

## Description

Adds `N` months to period `P`. `P` is in the format YYMM or YYYYMM, and is not a date value. If `P` contains a two-digit year, values from 00 to 69 are converted to from 2000 to 2069, while values from 70 are converted to 1970 upwards.

Returns a value in the format `YYYYMM`.

## Examples

```sql
SELECT PERIOD_ADD(200801,2);
+----------------------+
| PERIOD_ADD(200801,2) |
+----------------------+
|               200803 |
+----------------------+

SELECT PERIOD_ADD(6910,2);
+--------------------+
| PERIOD_ADD(6910,2) |
+--------------------+
|             206912 |
+--------------------+

SELECT PERIOD_ADD(7010,2);
+--------------------+
| PERIOD_ADD(7010,2) |
+--------------------+
|             197012 |
+--------------------+
```

<sub>*This page is licensed: GPLv2, originally from*</sub> [<sub>*fill\_help\_tables.sql*</sub>](https://github.com/MariaDB/server/blob/main/scripts/fill_help_tables.sql)

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