Type 5 JDBC Driver [duplicate]

This question already has answers here: What is Jdbc type 5 driver (3 answers) 开发者_C百科 Closed 6 years ago.

Is anybody has tried JDBC type 5 driver. Is it faster than JDBC 4 driver?

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It's not at all clear to me that "type 5" is really an official term, rather than just something invented by DataDirect. Every article about them that I can find seems to be written by or about DataDirect.

So, you could ask whether DataDirect's "type 5" driver is faster than the DataDirect type 4 driver for any particular database... but beyond that, the question doesn't currently make much sense.

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I thought types I through IV for JDBC drivers referred to the amount of native code used. Type IV was always "100% pure Java". What's Type V supposed to mean? How much more pure can you be?

"...an album so black - it can't get much blacker..." - Spinal Tap