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LENGTH

Applies to ✅ Open Source Edition   ✅ Express Edition   ✅ Professional Edition   ✅ Enterprise Edition

The LENGTH() function calculates the length of a given string.

SELECT length('hello');
create.select(length("hello")).fetch();

The result being

+--------+
| length |
+--------+
|      5 |
+--------+
See LENGTH (binary) for a binary version of this function.

Dialect support

This example using jOOQ:

length("hello")

Translates to the following dialect specific expressions:

Access, SQLDataWarehouse, SQLServer

len('hello')

ASE, Aurora MySQL, Aurora Postgres, BigQuery, CockroachDB, Exasol, Firebird, H2, HSQLDB, Informix, MariaDB, MemSQL, MySQL, Postgres, Redshift, Vertica, YugabyteDB

char_length('hello')

DB2, Derby, DuckDB, Hana, Oracle, SQLite, Snowflake, Sybase, Teradata, Trino

length('hello')

(These are currently generated with jOOQ 3.20, see #10141), or translate your own on our website

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