Any idea? For example, 500 should be 500.00. In SQL server float datatype does not display trailing zeros after decimal point. Now, this is the rule, for database arithmetic. I have a float datatype and it does not add a decimal point if a number is whole. I also used the CAST(? For example, the insertion will fail for the decimal column in the second example. AFAICS, the exact 2 decimal places in the display of the value is the presentation layer and therefore it should be handled by your client application, not the SQL Sever (as per my earlier post + Latheesh's last post).. declare @num as float set @num=5.20 select @num will dispaly only 5.2 But i want it to display as 5.20. The database is NOT a spreadsheet, and, I suspect, you have to think like a database, NOT a spreadsheet when dealing ONLY with the database ( versus moving the data into a spreadsheet ). Now when you round it to 5 decimal places, SQL notices that the decimal part is slightly less than 856375, so it rounds DOWN and you get -2702489.85637 as the result. After a little research i found that it can be solved by using. When it's a Integer, it's saved, but when it's a Float is it's inserted as a NULL value. as float) but not working... my stdout is showing actually the value being a float : "latitude" : 12.3423 but this is stored as NULL in the database. So that is the value that is stored. So SQL stores the closest value that can be stored in a float. Without the cast, the division would have been made first (as integer division, Follow RSS feed Like. HANA SQL: Casting to decimal (implicit or explicit) will not provide rounding. I would suggest casting to decimal instead, as float is an imprecise datatype and is prone to "errors" in the result. When I look at the generated code, the column is showing double instead of decimal in C#. When you want to convert from float or real to character data, using the STR string function is usually more useful than CAST( ). For example, let's do a simple division as 1234/1233. This is because STR enables more control over formatting. The way the database back-end ( HSQL database engine ) works, is NOT the same as a spreadsheet. I change the datatype from float to Decimal(18,2) in SQL, then I update the edmx. But when I do this on SQL Server, we get the following: A calculator will produce 1,00081103000811. The cast explicitly converts the IntCol1 to float before the division is carried out. Values of float are truncated when they are converted to any integer type.. I'm working with SQL server and the float values are not able to be saved. select CAST(@num AS numeric(10,2)) But this is not the solution i … Decimal Places. Converting float and real data. The SQL Server treats the 2 numeric (in general sense, not as data-type) 178.7 and 178.70 as exactly the same value and hence it will display 178.7 in the Datasheet. SET FloatCol = CAST(IntCol1 AS float) / IntCol2 WHERE .... SQL Server will switch to non-integer division as soon as one of the operands in of a float or decimal type. For more information, see STR (Transact-SQL) and Functions (Transact-SQL). This argument is case-insensitive, so either N or n is fine. 3 Likes 3,735 Views 1 Comment . This particular format specifier (N) results in the output being formatted with integral and decimal digits, group separators, and a decimal separator with optional negative sign. That closest value is -2702489.85637499997392296791077. 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