Here is a trial mock test series that will help you know what exactly you need to do. Attempt these sets of questions based on SQL DBMS Construction and see how well you are able to score before the time runs out.
Try this set of adaptive objective type questions based on SQL DBMS Construction and see where your level of preparation stands. It is advisable to attempt more than one practice test to know more about areas which need real work upon. Just begin and you'll how to go forward with it.