SQL library

This library is a suite of objects for connecting to and using SQL databases like MySQL?, SQLite?, and PostgreSQL?.

• [mysql] connect to a MySQL database

• [psql]( src) connect to a PostgreSQL database

• [sqlite]( src) use an embedded SQLite database

• [sql_query]( src) an object for generating SQL queries using placeholders to send to the database objects

other ideas for objects

• [sql_expr] generate SQL queries using [expr] syntax