When using MULTI_THREADED=TRUE, the exception following exception could be thrown: "object already exists: TABLES"

When using the multi-threaded mode, running ANALYZE concurrently in multiple connections could throw an exception.

Improved MS SQL Server compatibility: support string concatenation using "+". Thanks to Stepan for the patch!

When using the multi-threaded mode, running ANALYZE concurrently in multiple connections could throw an exception.

Multi-column indexes where the second or later column was descending did not always produce correct results.

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CREATE ALIAS ... AS: Compilation was incorrect if the source code contained characters that are not supported by the default file encoding.

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When using the small version of H2 ('jarClient'), the first call to Connection.createBlob (or similar) could throw a ClassNotFoundException.