SQL Reference
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Quick Reference

The SQL Server SIGN() function returns the sign of a number.

It will return one of the following:

  • If the number > 0, it returns 1
  • If the number = 0, it returns 0
  • If the number < 0, it returns -1
SELECT SIGN(-8);

Output

-1

Syntax

SIGN(number)

SQL Notes:

  • Any work being done to modify the structure of a database or delete tables or the the database itself should only be done after making a recent backup
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