MID

Syntax

MID(str,pos,len)

Description

MID(str,pos,len) is a synonym for SUBSTRING(str,pos,len).

Examples

SELECT MID('abcd',4,1);
+-----------------+
| MID('abcd',4,1) |
+-----------------+
| d               |
+-----------------+

SELECT MID('abcd',2,2);
+-----------------+
| MID('abcd',2,2) |
+-----------------+
| bc              |
+-----------------+

A negative starting position:

SELECT MID('abcd',-2,4);
+------------------+
| MID('abcd',-2,4) |
+------------------+
| cd               |
+------------------+

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https://mariadb.com/kb/en/mid/