Added support of  maps a Doctrine datetimetz type to a MS SQL SERVER type datetimeoffset(6)

Introduced BC break with databases that switch from case-insensitive
to case-senstive handling when identifier quoting is enabled.

This reverts commit 11111bd7.

Quoting table name to avoid errors with:
SELECT * FROM order;

Demonstrates that NULL parameters are handled incorrectly by the sql parser utils as of 2.3.4

This reverts commit 0b6a6aef.

- added test for getListTableColumnsSQL
- added test for getListTableForeignKeysSQL
- added test for getListTableIndexesSQL

Fixed a PHP warning in DBALException::driverExceptionDuringQuery() when a parameter contains binary data.

    Connection#insert(),  Connection#update() and Connection#delete(). Closes GH-271

DBAL-54 was fixed in commit 3d55dc8e by
changing SQL queries order. However it was later reintroduced.

This patch uses a different, more future-proof way, approach by using
DROP SEQUENCE ... CASCADE syntax, and thus does not depend on queries order.