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Unknown driver: MySQL
Getting an "Unknown driver: MySQL" message in your Delphi application?
Just add DBXMySql to the uses clause!
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Memory Leaks and Connection Explosions in DBExpress
Delphi 2009 fixes both problems when accessing MySQL via DBExpress.
However, if you're still on Delphi 2007 and are experiencing one of these problems,
you may want to try the fix in D2007 that was added to DBExpress in D2009.
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last_insert_id() and DBExpress
MySQL's last_insert_id() function gets the last automatically generated value for a given table.
That's pretty helpful, for instance, when you're inserting records and want to retrieve their newly generated IDs.
I spent some time on solving this in Delphi's DBExpress framework, and this text documents the issue.
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DBExpress and Thread Safety
Description of the problem and the workaround of intermittent Access Violation errors
on WideStrings.TWideStrings.GetValue and System.TObject.Free
when using DBExpress components for communication with MySQL databases (under heavy load).
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Checking Dangling Pointers vs. the New Memory Manager
Description of the problem and the solution of intermittent Access Violation errors
when using DBExpress components for communication with MySQL databases.
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