There is no consistant definition of what tests should be covered in
processors. Base classes for tests have been created to resolve this.
Assumptions have been made in regards to test classification.
1. Some SQL RDMS do not have support for schemas or sequences
2. Some SQL RDMS that support schemas, such as Oracle Database, present a
challenge to test multiple schemas.
* For Oracle Database, a schema is tied to the user defined in the
3. Some existing tests appeared too specific and do not need a base class