Access
Interbase
MSSQL
MySQL
MySQL ODBC
MySQLi
SQLite
MySQL Proxy
Oracle (oci8)
PostgreSQL
PostgreSQL 9
PostgreSQL ODBC
PgSQL PDO
MySQL PDO
SQLite PDO
Access PDO
MSSQL PDO
OCI PDO
DB2
VFP+ODBTP
ADO (for mssql and access)
$ADODB_COUNTRECS=false
No SQL Logging
ADOdb time test

Connecting firebird...

ERROR: Interbase test requires a database called employee.gdb
ERROR: SQLite

Connecting access...

ERROR: Access test requires a Windows ODBC DSN=nwind, Access driver