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You can add leading zeros to an integer by using the "D" standard numeric format string with a precision specifier. You can add leading zeros to both integer and floating-point numbers by using a custom numeric format string. This article shows how to use both methods to pad a number with leading zeros.
If you say insert 023 into an int-type col, the engine will compress the number by stripping the 0, since the number is defined as an int. So, basically, if you want leading zeroes, then use , eg, decimal(8,4) & insert .
When using Oracle Database to format a number to have leading zeros, we need to convert it to a string and format it accordingly. You can use the TO_CHAR(number) function to format numbers with leading zeros.
Try this: select right('00000' + cast(Your_Field as varchar(5)), 5)
It will get the result in 5 digits, ex: 00001,...., 01234
You can also use FORMAT() function introduced in SQL Server 2012. http://technet.microsoft.com/library/hh213505.aspx
DECLARE @number1 INT, @number2 INT
SET @number1 = 1
SET @number2 = 867
SELECT FORMAT(@number1, 'd10')
SELECT FORMAT(@number2, 'd10')
Use REPLICATE so you don't have to hard code all the leading zeros:
DECLARE @InputStr int
,@Size int
SELECT @InputStr=123
,@Size=10
PRINT REPLICATE('0',@Size-LEN(RTRIM(CONVERT(varchar(8000),@InputStr)))) + CONVERT(varchar(8000),@InputStr)
OUTPUT:
0000000123
Not to High-Jack this question but the note needs to be made that you need to use (N)VARCHAR instead of (N)CHAR data-type.
RIGHT('000' + CAST(@number1 AS NCHAR(3)), 3 )
Above segment, will not produce the correct response from SQL 2005
RIGHT('000' + CAST(@number1 AS NVARCHAR(3)), 3 )
Above segment, will produce the desired response from SQL 2005
The the varchar will provide you with the desired prefix length on the fly. Where as the fixed length data type will require length designation and adjustments.
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