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--SQL char->HEX code
DECLARE @str VARCHAR(4000)
SET @str='SELECT * from dbo.TaskHistory' --Your sql char
DECLARE @i INT,@Asi INT,@ModS INT,@res VARCHAR(800),@Len INT,@Cres VARCHAR(4),@tempstr VARBINARY(400)
SELECT @i = 1,@res='',@len=DATALENGTH(@str),@tempStr = CONVERT(VARBINARY,@str)
WHILE @i<=@len
BEGIN
SELECT @Asi = SUBSTRING(@tempstr,1,1),@Cres=''
WHILE @Asi <> 0
BEGIN
SELECT @Mods = @Asi %16,
@Cres=CASE WHEN (@Mods > 9) THEN CHAR(ASCII('A')+@Mods-10)+@Cres ELSE CAST(@Mods AS VARCHAR(4)) + @Cres END,
@Asi = @Asi/16
END
SELECT @res = @res + @Cres,@tempStr = SUBSTRING(@tempStr,2,@len-1),@i = @i+1
END
SELECT '0x'+@res
--HEX code->SQL char
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--HEX->SQL Char
DECLARE @S VARCHAR(4000);
SET @S=CAST(
0x53454C454354202A2046524F4D2064626F2E5461736B486973746F7279 --your hex code
AS VARCHAR(4000));
SELECT @S
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