trim(<char> from <string>)

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  1. No expression as trim character

The SQL function trim(<char> from …) removes the specified character from both ends of the string. It can be combined with leading and trailing.

SELECT TRIM('0' FROM '00010.9900')
  FROM …

The result of the example is the text '10.99' with the zeroes removed from both ends.

Normative References

The trim() function, including the ability to specify the character to be removed, is defined in ISO/IEC 9075-2:2023 as mandatory feature E021-09, “TRIM function”.

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