I made a function in T-SQL that parsed some string and returned a decimal. It all worked fine until one of my colleagues wanted to use it on the test server. And here there was, a beautiful error message: 'decimal' is not a recognized built-in function name. I isolated the line, executed it, same error. It was like the server did not understand decimals anymore. The line in question was a simple SELECT TRY_CONVERT(DECIMAL(18,6),'10.33'). If I used CONVERT, though, it all worked fine. Another hint was that the function worked perfectly fine on the same server, in another database. The problem was that for that particular database, the defined SQL server version was 2008, not 2012. We changed it and it all worked fine after that. The setting in question is found in the Properties of the database, Options, Compatibility level.


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