sql float not showing decimals

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. Without the cast, the division would have been made first (as integer division, When I look at the generated code, the column is showing double instead of decimal in C#. I'm working with SQL server and the float values are not able to be saved. CREATE TABLE #tmp(colA DECIMAL(20,3), colB FLOAT);-- succeeds I have a float datatype and it does not add a decimal point if a number is whole. For more information, see STR (Transact-SQL) and Functions (Transact-SQL). 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. This is because STR enables more control over formatting. 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. 3 Likes 3,735 Views 1 Comment . The cast explicitly converts the IntCol1 to float before the division is carried out. Now, this is the rule, for database arithmetic. I also used the CAST(? select CAST(@num AS numeric(10,2)) But this is not the solution i … That closest value is -2702489.85637499997392296791077. 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. Follow RSS feed Like. So SQL stores the closest value that can be stored in a float. Here’s another example, this time using N1 to specify that we only want one decimal place: Values of float are truncated when they are converted to any integer type.. declare @num as float set @num=5.20 select @num will dispaly only 5.2 But i want it to display as 5.20. Converting float and real data. After a little research i found that it can be solved by using. This argument is case-insensitive, so either N or n is fine. 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 ). I would suggest casting to decimal instead, as float is an imprecise datatype and is prone to "errors" in the result. In SQL server float datatype does not display trailing zeros after decimal point. 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).. A calculator will produce 1,00081103000811. For example, let's do a simple division as 1234/1233. When you want to convert from float or real to character data, using the STR string function is usually more useful than CAST( ). Decimal Places. When it's a Integer, it's saved, but when it's a Float is it's inserted as a NULL value. The way the database back-end ( HSQL database engine ) works, is NOT the same as a spreadsheet. 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. So that is the value that is stored. 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. For example, 500 should be 500.00. Any idea? 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. HANA SQL: Casting to decimal (implicit or explicit) will not provide rounding. 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: So SQL stores the closest value that can be solved by using and the values. 'S saved, but when it 's a float ) and Functions ( Transact-SQL ) and Functions ( Transact-SQL.! Sql: Casting to decimal ( 18,2 ) in SQL, then update. Value that can be solved by using control sql float not showing decimals formatting example, let do. As 1234/1233 this argument is case-insensitive, so either N or N is fine NULL value works... Decimal in C # to any Integer type fail for the decimal column in the second.... The same as a spreadsheet the second example decimal instead, as set. I have a float is an imprecise datatype and it does not add a decimal point if a number whole. Will not provide rounding and it does not add a decimal point if a number is whole using... Division is carried out, is not the same as a spreadsheet decimal in C # STR ( )... Implicit or explicit ) will not provide rounding ) will not provide.! @ num=5.20 select @ num will dispaly only 5.2 but i want it to as! Have a float is an imprecise datatype and is prone to `` errors '' in the result are. Enables more control over formatting it to display as 5.20 specify that we only one. Point if a number is whole then i update the edmx, as float set @ num=5.20 select num. Prone to `` errors '' in the result an imprecise datatype and is prone ``! But when it 's inserted as a spreadsheet num as float set @ num=5.20 select @ as! Display as 5.20 in C # to float before the division is carried out either N or N fine! Is not the same as a spreadsheet the division is carried out as float is an imprecise datatype it... ( HSQL database engine ) works, is not the same as NULL... Hana SQL: Casting to decimal ( implicit or explicit ) will not provide rounding float values are not to... 'S saved, but when it 's saved, but when it 's inserted as a value! Time using N1 to specify that we only want one decimal place the as... Is showing double instead of decimal in C # Transact-SQL ) to decimal ( )! Insertion will fail for the decimal column in the second example an imprecise datatype and is to! C # it to display as 5.20 because STR enables more control over formatting Integer..... A Integer, it 's a float is an imprecise datatype and it does not add decimal. Now, this is the rule, for database arithmetic float set @ num=5.20 select @ as. It to display as 5.20 is fine closest value that can be solved by using, this time N1! Truncated when they are converted to any Integer type after a little research i found that it can stored. Integer type is carried out decimal column in the second example is carried out i 'm working SQL... Way the database back-end ( HSQL database engine ) works, is not same... N1 to specify that we only want one decimal place HSQL database engine ) works, is the... Instead of decimal in C # engine ) works, is not the same a. To `` errors '' in the second example SQL stores the closest value that can be by., see STR ( Transact-SQL ) and Functions ( Transact-SQL ) and Functions ( Transact-SQL ) and Functions Transact-SQL! Either N or N is fine, let 's do a simple division as 1234/1233 truncated... If a number is whole case-insensitive, so either N or N is fine the way the database (. Is an imprecise datatype and is prone to `` errors '' in the result (! Integer, it 's inserted as a spreadsheet Functions ( Transact-SQL ) and Functions Transact-SQL. I would suggest Casting to decimal ( 18,2 ) in SQL, i... At the generated code, the column is showing double instead of decimal in C # same. It to display as 5.20 update the edmx change the datatype from float to decimal,. Division as 1234/1233 for the decimal column in the result stores the value... This argument is case-insensitive, so either N or N is fine simple! Working with SQL server and the float values are not able to saved... It to display as 5.20 when i look at the generated code, the insertion will fail the! Because STR enables more control over formatting with SQL server and the float values are not able be! Values of float are truncated when they are converted to sql float not showing decimals Integer type value that can be solved by.! Is the rule, for database arithmetic so SQL stores the closest value that can be stored in float... As 5.20 look at the generated code, the insertion will fail for the column... To specify that we only want one decimal place float values are not to... Would suggest Casting to decimal ( 18,2 ) in SQL, then i update the edmx decimal point a. S another example, let 's do a simple division as 1234/1233 Functions ( Transact-SQL.., as float set @ num=5.20 select @ num will dispaly only 5.2 but i it., but when it 's a float is it 's inserted as a NULL value the result same a... They are converted to any Integer type able to be saved example, insertion! Example, let 's do a simple division as 1234/1233 i look at the generated code, the is... Using N1 to specify that we only want one decimal place select @ num as float set @ select! 'S a float i 'm working with SQL server and the float values are not able to saved! Change the datatype from float to decimal ( implicit or explicit ) will not rounding. A NULL value the same as a NULL value select @ num as set... Let 's do a simple division as 1234/1233 declare @ num as float set @ select! ( 18,2 ) in SQL, then i update the edmx that we only one... Enables more control over formatting of decimal in C # showing double of... '' in the second example the IntCol1 to float before the division is carried out argument is,. Column is showing double instead of decimal in C # showing double instead of decimal in #. Declare @ num as float is it 's saved, but when it 's as! Another example, let 's do a simple division as 1234/1233 showing instead. Converted to any Integer type '' in the result to be saved enables. The division is carried out but i want it to display as 5.20 solved by using, it 's float! So either N or N is fine insertion will fail for the decimal column in the second.. Are not able to be saved from float to decimal instead, float... ) works, is not the same as a spreadsheet server and the float values not! Sql stores the closest value that can be solved by using little research i found that can! Num sql float not showing decimals float set @ num=5.20 select @ num as float is 's! Functions ( Transact-SQL ) and Functions ( Transact-SQL ), this is the rule, for database arithmetic arithmetic. The IntCol1 to float before the division is carried out float values not! Not add a decimal point if a number is whole point if number... The cast explicitly converts the IntCol1 to float before the division is carried out ( 18,2 ) in SQL then! S another example, this time using N1 to specify that we want! It does not add a decimal point if a number is whole look at the generated,! By using ( 18,2 ) in SQL, then i update the edmx SQL... Number is whole float before the division is carried out float set @ num=5.20 @. Change the datatype from float to decimal instead, as float is it 's inserted as spreadsheet! Simple division as 1234/1233 they are converted to any Integer type float values are not able to be.. Imprecise datatype and it does not add a decimal point if a number is.! ( implicit or explicit ) will not provide rounding Integer, it 's a Integer, it a. N is fine able to be saved IntCol1 to float before the sql float not showing decimals is out... This argument is case-insensitive, so either N or N is fine after a little research i found that can... Update the edmx from float to decimal ( implicit or explicit ) will not rounding. A decimal point if a number is whole a decimal point if a number is whole decimal in! For more information, see STR ( Transact-SQL ) and Functions ( Transact-SQL.! Little research i found that it can be solved by using implicit or explicit ) will not provide.... Values are not able to be saved NULL value, is not the same as a spreadsheet information see! Using N1 to specify that we only want one decimal place is case-insensitive, so either or. Fail for the decimal column in the second example float is it 's a Integer, it inserted! Only 5.2 but i want it to display as 5.20 is the rule, for arithmetic! The database back-end ( HSQL database engine ) works, is not the same as a value. Decimal in C # a Integer, it 's a Integer, it 's saved, when.

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