this sqlite tutorial teaches you everything you need to know to start using sqlite effectively. you will learn sqlite through extensive hands-on practices.

the official site for postgresql, the world's most advanced open source database

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firebird sql: the true open-source relational database

zetcode provides accessible tutorials for c#, go, python, java, and javascript programming languages.

all connection strings in one place. find the syntax for your database connection using ado.net, ado, odbc, oledb, c#, vb, vb.net, asp.net and more.