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Editorial Team
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Asked: 2026-06-13T06:47:18+00:00

I’m using SQL server with an intranet application written in PHP. For convenience i

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I’m using SQL server with an intranet application written in PHP. For convenience i want to use UTF8 charset for web pages (jquery supports only utf8) however all data stored in my sqlserver db is in iso-8859-1.
Can I change just the data CONNECTION CHARSET (not data store charset) between sqlserver and PHP? Maybe just with a query header?

Thank you.

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  1. Editorial Team

    SQL server only stores Unicode data in tables prefixed with N (so NVARCHAR etc). These are stored in the UCS-2 format. The Windows SQLSRV driver will convert those columns from UCS-2 to UTF-8 when retrieving, and the opposite when saving.

    However, if the data is ISO-8859-1 (non-N columns) then you will need to convert the text yourself. I would suggest creating a wrapper function on your data retrieval methods to convert ISO-8859-1 data to UTF-8.

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