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Convert HashBytes to VarChar


By : user72001
Date : July 28 2020, 03:00 PM
it fixes the issue I want to get the MD5 Hash of a string value in SQL Server 2005. I do this with the following command: , I have found the solution else where:
code :
SELECT SUBSTRING(master.dbo.fn_varbintohexstr(HashBytes('MD5', 'HelloWorld')), 3, 32)


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Convert Varchar to DateTime - Varchar has no character to divide date parts


By : patrick costa
Date : March 29 2020, 07:55 AM
should help you out First of all you can't do it without trailing zeros of day and month. So your input data must be something like:
code :
05122012
20121205 
create function [dbo].[Str2Date] ( @data as varchar(8))
returns datetime
AS
begin
    declare @day char(2), @mon char(2), @year char(4)
    set @day = substring(@data,1,2)
    set @mon = substring(@data,3,2)
    set @year = substring(@data,5,4)
    set @data = @year+@mon+@day
    return convert (datetime,@data,112)
end

select dbo.Str2Date('05122012')

Convert date(varchar) and time(varchar) to datetime Oracle


By : Alexandre Clement
Date : March 29 2020, 07:55 AM
this one helps. How can I convert two varchar fields in Oracle to a datetime type? I have one field for date ('2014-07-19') and a field for time ('08:00'), I need this to be like '2014-07-19 08:00' in datetime Oracle. , Do this:
code :
TO_DATE(DATE_COLUMN||TIME_COLUMN, 'yyyy-mm-ddHH24:mi')

How to convert from Hashbytes function's SHA2_256 encryption datatype to varchar(256) in SQL Server 2012


By : Mohmd Elubaid
Date : March 29 2020, 07:55 AM
hop of those help? I want to implement a password encryption system using SQL in SQL Server 2012. , I think this is what you are looking for...
code :
select convert(varchar(256),HASHBYTES('SHA2_256','asd123123'),2)
update members set
    passwd = convert(varchar(256),HASHBYTES('SHA2_256','asd123123'),2),
    pwchangedat = GETDATE()
    where userid = 'abcd1234'

Convert varchar to Decimal Arithmetic overflow error converting varchar to data type numeric


By : wendy
Date : March 29 2020, 07:55 AM
like below fixes the issue You have two problems. First of all when you using NULLIF on a string datatype you are implicitly converting it to a numeric datatype. You have specified 0.0 as a second parameter. SQL Server does not know what to choose and it perhaps selects a float or something else. NULLIF should be called after you convert the string to number
Secondly, you have not specified the precision and scale for your DECIMAL data type. According to MSDN the default precision and scale of the DECIMAL data type is 18,0. If you have not specified the scale the numbers will be truncated.

CONVERT(NVARCHAR(100), HASHBYTES(N'SHA1', @PasswordWithSalt ),2) equivalent in c#


By : Zach Davis
Date : March 29 2020, 07:55 AM
wish helps you The problem with those two queries is that the string values are the same but the bytes are not.
The first query
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