-(asdf:operate 'asdf:load-op 'clsql-mysql) ; MySQL interface
-(asdf:operate 'asdf:load-op 'clsql-postgresql) ; PostgreSQL interface
-(asdf:operate 'asdf:load-op 'clsql-postgresql-socket) ; Socket PGSQL interface
-(asdf:operate 'asdf:load-op 'clsql-odbc) ; ODBC interface
-(asdf:operate 'asdf:load-op 'clsql-sqlite) ; SQLite interface
-(asdf:operate 'asdf:load-op 'clsql-aodbc) ; Allegro ODBC interface