#	Functions	Express edition	Professional edition	Description
1	Performance testing	Support	Support	Performance testing gives an approach to measure how long our stored procedures or SQL statements will take in our environment.
2	Unit testing	Support	Support	We can create a collection of unit tests and run them during development and refactor process to ensure that our features work as we expect.
3	Setup/Teardown process	Support	Support	Setup is the pre-process of testing, and teardown is the post-process of testing.
4	DB connection count	1	Unlimited	Express edition only allows one DB connection is allowed in one test case file.
5	Set style comparison for recordset	Not support	Support	To compare two record sets in set style. It will help to find easily what is the intersection, or surplus or absence between the two record sets.
6	Sequential style comparison	Support	Support	To compare two result-sets according to their own original sequence.
7	Sandbox test	Not support	Support	If one test is in sandbox, all DB actions of the test will be auto-rollback after the test. While one test is not performed in sandbox model, all actions will commit. Sandbox modal is only applicable for those DBs transaction supported such as Oracle.