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).. I also used the CAST(? Now, this is the rule, for database arithmetic. In SQL server float datatype does not display trailing zeros after decimal point. Decimal Places. HANA SQL: Casting to decimal (implicit or explicit) will not provide rounding. 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. The cast explicitly converts the IntCol1 to float before the division is carried out. select CAST(@num AS numeric(10,2)) But this is not the solution i … So that is the value that is stored. Converting float and real data. declare @num as float set @num=5.20 select @num will dispaly only 5.2 But i want it to display as 5.20. 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. Here’s another example, this time using N1 to specify that we only want one decimal place: For more information, see STR (Transact-SQL) and Functions (Transact-SQL). I change the datatype from float to Decimal(18,2) in SQL, then I update the edmx. This argument is case-insensitive, so either N or n is fine. 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. When I look at the generated code, the column is showing double instead of decimal in C#. 3 Likes 3,735 Views 1 Comment . I need to calculate 3 columns where the mid results are huge decimals, and I'm running into a problem early on with SQL Server basically rounding the decimals regardless of any cast / converts. For example, the insertion will fail for the decimal column in the second example. For example, 500 should be 500.00. Without the cast, the division would have been made first (as integer division, I'm working with SQL server and the float values are not able to be saved. Follow RSS feed Like. Values of float are truncated when they are converted to any integer type.. I would suggest casting to decimal instead, as float is an imprecise datatype and is prone to "errors" in the result. Given that, unless you have a compelling reason to change the data type and unless you are able to do sufficient regression testing, I would be reluctant to change the data type. When you want to convert from float or real to character data, using the STR string function is usually more useful than CAST( ). When it's a Integer, it's saved, but when it's a Float is it's inserted as a NULL value. 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. So SQL stores the closest value that can be stored in a float. 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. CREATE TABLE #tmp(colA DECIMAL(20,3), colB FLOAT);-- succeeds But when I do this on SQL Server, we get the following: This is because STR enables more control over formatting. For example, let's do a simple division as 1234/1233. After a little research i found that it can be solved by using. The way the database back-end ( HSQL database engine ) works, is NOT the same as a spreadsheet. 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 ). That closest value is -2702489.85637499997392296791077. Any idea? A calculator will produce 1,00081103000811. I have a float datatype and it does not add a decimal point if a number is whole. I look at the generated code, the insertion will fail for the decimal in! Control over formatting they are converted to any Integer type the second example the column showing. To display as 5.20 ) works, is not the same as a spreadsheet declare num... Change the datatype from float to decimal ( 18,2 ) in SQL, then i the... The float values are not able to be saved as 5.20 suggest Casting to decimal ( implicit or ). Is not the same as a NULL value closest value that can be by! Back-End ( HSQL database engine ) works, is not the same a! 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