How do I count decimal places in SQL?

Question

I have a column X which is full of floats with decimals places ranging from 0 (no decimals) to 6 (maximum). I can count on the fact that there are no floats with greater th

Answer 1

This thread is also using CAST, but I found the answer interesting:

http://www.sqlservercentral.com/Forums/Topic314390-8-1.aspx

DECLARE @Places INT
 SELECT TOP 1000000 @Places = FLOOR(LOG10(REVERSE(ABS(SomeNumber)+1)))+1
   FROM dbo.BigTest

and in ORACLE:

SELECT FLOOR(LOG(10,REVERSE(CAST(ABS(.56544)+1 as varchar(50))))) + 1 from DUAL