| Firebird Documentation Index → Firebird 2.1 Language Ref. Update → Internal functions → SIGN() |
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Available in: DSQL, PSQL
Added in: 2.1
Description: Returns the sign of the argument: -1, 0 or 1.
Result type: SMALLINT
Syntax:
SIGN (number)
If the external function SIGN is declared in your database, it will override the internal function. To make the internal function available, DROP or ALTER the external function (UDF).
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| Firebird Documentation Index → Firebird 2.1 Language Ref. Update → Internal functions → SIGN() |