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SUBSTR

substr​

Description​

Syntax​

VARCHAR substr(VARCHAR content, INT start, INT length)

Find a substring, return the part of the string described by the first parameter starting from start and having a length of len. The index of the first letter is 1.

example​

mysql> select substr("Hello doris", 2, 1);
+-----------------------------+
| substr('Hello doris', 2, 1) |
+-----------------------------+
| e |
+-----------------------------+
mysql> select substr("Hello doris", 1, 2);
+-----------------------------+
| substr('Hello doris', 1, 2) |
+-----------------------------+
| He |
+-----------------------------+

keywords​

SUBSTR