sqlite3 — an interface to the SQLite3 database engine
sqlite3 command_name ?filename?
SQLite3 is a self-contains, zero-configuration, transactional SQL database
engine. This extension provides an easy to use interface for accessing
SQLite database files from Tcl.
For full documentation see http://www.sqlite.org/ and
in particular http://www.sqlite.org/tclsqlite.html.