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SQL Server FAQ - Concatenating Two Binary Strings

By: FYIcenter.com

(Continued from previous topic...)

How To Concatenate Two Binary Strings Together?

SQL Server 2005 allows to concatenate two binary strings into a single string with the (+) operator. The following tutorial exercise shows you some binary string concatenation examples:

-- Concatenating two binary string literals
SELECT 0x57656C636F6D6520746F20 
   + 0x46594963656E7465722E636F6D;
GO
0x57656C636F6D6520746F2046594963656E7465722E636F6D

-- Watch out: This is not a binary string concatenation
SELECT '0x57656C636F6D6520746F20' 
   + '0x46594963656E7465722E636F6D';
GO
0x57656C636F6D6520746F200x46594963656E7465722E636F6D

-- Concatenating two binary strings
SELECT CONVERT(VARBINARY(40),'Welcome to ')
   + CONVERT(VARBINARY(40),'FYIcenter.com');
GO
0x57656C636F6D6520746F2046594963656E7465722E636F6D

-- Binary strings can not be concatenated 
   with character strings
SELECT 'Welcome to ' 
   + 0x46594963656E7465722E636F6D;
GO
Msg 402, Level 16, State 1, Line 1
The data types varchar and varbinary are incompatible 
   in the add operator.

(Continued on next topic...)

  1. How To Concatenate Two Character Strings Together?
  2. What Happens When Unicode Strings Concatenate with Non-Unicode Strings?
  3. How To Convert a Unicode Strings to Non-Unicode Strings?
  4. What Are the Character String Functions Supported by SQL Server 2005?
  5. How To Insert New Line Characters into Strings?
  6. How To Locate and Take Substrings with CHARINDEX() and SUBSTRING() Functions?
  7. How To Concatenate Two Binary Strings Together?
  8. Can Binary Strings Be Used in Arithmetical Operations?
  9. How To Convert Binary Strings into Integers?
  10. Can Binary Strings Be Converted into NUMERIC or FLOAT Data Types?
  11. Can Binary Strings Be Converted into Character Strings?
  12. Can Binary Strings Be Converted into Unicode Character Strings?
  13. How To Convert Binary Strings into Hexadecimal Character Strings
  14. What Are Bitwise Operations?

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