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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 |
+--------+

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, COCKROACHDB, CUBRID, FIREBIRD, H2, HSQLDB, INFORMIX, MARIADB, MEMSQL, MYSQL, POSTGRES, 
-- REDSHIFT, VERTICA
char_length('hello')

-- DB2, DERBY, HANA, INGRES, ORACLE, SQLITE, SYBASE, TERADATA
length('hello')

(These are currently generated with jOOQ 3.15, see #10141)

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