LENGTH()

This page is part of MariaDB's MariaDB Documentation.

The parent of this page is: Functions

Topics on this page:

Overview
EXAMPLES
CHANGE HISTORY
EXTERNAL REFERENCES

Overview

Count the byte length of a string counting each multi-byte char as multiple bytes unless in ORACLE mode, in which case LENGTH is a synonym for CHAR_LENGTH().

See also: Functions in 10.6 ES, in 10.5 ES, and in 10.4 ES

EXAMPLES

SELECT LENGTH('mariadb');

+-------------------+
| LENGTH('mariadb') |
+-------------------+
|                 7 |
+-------------------+

SELECT LENGTH('   ');

+---------------+
| LENGTH('   ') |
+---------------+
|             3 |
+---------------+

SELECT LENGTH(_utf8 x'E28098');

+-------------------------+
| LENGTH(_utf8 x'E28098') |
+-------------------------+
|                       3 |
+-------------------------+

SET sql_mode=CONCAT(@@sql_mode, ',ORACLE');
SELECT LENGTH(_utf8 x'E28098');

+-------------------------+
| LENGTH(_utf8 x'E28098') |
+-------------------------+
|                       1 |
+-------------------------+

CHANGE HISTORY

Release Series	History
10.6 Enterprise	Present starting in MariaDB Enterprise Server 10.6.4-1.
10.6 Community	Present starting in MariaDB Community Server 10.6.0.
10.5 Enterprise	Present starting in MariaDB Enterprise Server 10.5.3-1.
10.5 Community	Present starting in MariaDB Community Server 10.5.0.
10.4 Enterprise	Present starting in MariaDB Enterprise Server 10.4.6-1.
10.4 Community	Present starting in MariaDB Community Server 10.4.0.
10.3 Enterprise	Present starting in MariaDB Enterprise Server 10.3.16-1.
10.3 Community	Present starting in MariaDB Community Server 10.3.0.
10.2 Enterprise	Present starting in MariaDB Enterprise Server 10.2.25-1.
10.2 Community	Present starting in MariaDB Community Server 10.2.0.

Release Series	History
10.6 Enterprise	Present starting in MariaDB Enterprise Server 10.6.4-1.
10.5 Enterprise	Present starting in MariaDB Enterprise Server 10.5.3-1.
10.4 Enterprise	Present starting in MariaDB Enterprise Server 10.4.6-1.

EXTERNAL REFERENCES

Additional information on this topic may be found in the MariaDB Public Knowledge Base.