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TRIM

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

The TRIM() function trims a string from both ends, stripping it of whitespace. See also LTRIM and RTRIM.

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

The result being

+-------+
| trim  |
+-------+
| hello |
+-------+

Dialect support

This example using jOOQ:

trim("  hello  ")

Translates to the following dialect specific expressions:

-- AURORA_POSTGRES, COCKROACHDB, DB2, DERBY, FIREBIRD, H2, HANA, HSQLDB, INFORMIX, MARIADB, MEMSQL, MYSQL, ORACLE, POSTGRES, 
-- REDSHIFT, SNOWFLAKE, SQLITE, SQLSERVER, TERADATA, VERTICA
trim('  hello  ')

-- INGRES
ltrim(rtrim('  hello  '))

-- ACCESS, ASE, AURORA_MYSQL, BIGQUERY, EXASOL, IGNITE, SQLDATAWAREHOUSE, SYBASE
/* UNSUPPORTED */

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

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