Can I use… E021-09, “TRIM function”

Apache DerbyBigQueryDb2 (LUW)aH2MariaDBMySQLOracle DBPostgreSQLSQL ServerSQLiteTRIM(<exp>)TRIM(BOTH FROM …)TRIM(LEADING FROM …)TRIM(TRAILING FROM …)TRIM(<char> FROM <exp>)
  1. No expression as trim character
  • Product specific forms: rtrim(), ltrim().

Normative References

E021-09, “TRIM function”, is defined in ISO/IEC 9075:2016-2 as mandatory feature. The trim() function, including all the ability to specify the remove character and the both, leading, trailing and from keywords was already part of Intermediate SQL-92.

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