# DBI v2 - Incompatible Changes

- ## Incompatible changes will be kept to an absolute minimum!

- ##

- ## Redefine tables()

  - to default to tables accessible from current schema without further qualification

- ## Turning AutoCommit on should trigger a rollback and not a commit

  - This will break code that assumes a commit (ODBC does a commit currently)

- ## Modify tainting behaviour

  - Some taint checking enabled by default if perl is running in taint mode

- ## Drivers will need to be recompiled

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