Finding The Real Character Set: Unicode And SQL Server Identifiers

Kevin Feasel



Solomon Rutzky wraps up his series on Unicode and regular identifiers:

The question that I’m trying to answer is: what are the valid “letters” and “decimal numbers” from other national scripts?

I tried using the online research tool “UnicodeSet”, but that gave slightly different results compared (using the “alphabetic” and “numeric_type = decimal” properties) to what I discovered SQL Server actually accepts.

I then loaded the actual Unicode 3.2 data files only to find that the number of characters having either the “alphabetic” or “numeric_type = decimal” properties was different than both the online search and what SQL Server actually accepts.

And so…..

Click through to find the real Unicode killer.

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