SQLlite
SQL lite is a server-less SQL database language. It allows you to make databases and manage them. Their website is linked here. SQL is not exactly my forte but it is important enough that we had to mention it here.
Here are some resources for your SQLite needs:
SQLite Viewers
SQL Learning Resources
Small Basic Based SQL Interpreters :
https://drive.google.com/file/d/0B2v4xbFnpKvRNUg5UmVzeGxOcGs/view
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