System

1. User interface

1.1. https://en.wikipedia.org/wiki/Microsoft_Access

2. Application Components

2.1. https://www.microsoft.com/en-us/sql-server/sql-server-2016

3. Environment

3.1. https://docs.oracle.com/cd/B28359_01/server.111/b31189/ch2.htm

4. Application methods

4.1. https://msdn.microsoft.com/en-us/library/system.data.sqlclient.sqlcommand(v=vs.110).aspx

5. Database

5.1. http://www.oracle.com/technetwork/database/database-technologies/sql/overview/index.html

5.2. http://www.ibm.com/analytics/us/en/technology/db2/db2-trials.html