INF: Using Substring to Parse & Interpret Binary Data in SQL

Last reviewed: April 25, 1997
Article ID: Q68230

The information in this article applies to:

  - Microsoft SQL Server version 4.2 for OS/2

The following information discusses how the substring() function for string functions allows the user to store data in a binary field and then interpret the data 1 or more bytes at a time.

The syntax for the substring() function is listed below:

   substring(colname,starting position,length)

For example, to get 2 bytes starting from the fifth position from a field called "bindata," use the following statement:

   select substring(bindata,5,2)


Additional query words:
Keywords : kbprg SSrvProg
Version : 4.2
Platform : OS/2


THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY.

Last reviewed: April 25, 1997
© 1998 Microsoft Corporation. All rights reserved. Terms of Use.