Direct from Microsoft, this bundle contains the following two study guides at a $15 discount:

 

Exam Ref 70-761 Querying Data with Transact-SQL, 9781509304332, offers professional-level preparation that helps candidates maximize their exam performance and sharpen their skills on the job. It focuses on the specific areas of expertise modern database professionals need to succeed with T-SQL database queries.

 

Exam Ref 70-762 Developing SQL Databases, 9781509304912, offers professional-level preparation that helps candidates maximize their exam performance and sharpen their skills on the job. It focuses on the specific areas of expertise modern database professionals need to succeed with SQL database development.

These are the two exams necessary for the MCSA certification in SQL Server 2016 Database Development.