dev-php/PEAR-MDB2
Database Abstraction Layer
USE Flags
mssql
Global: Adds support for Microsoft SQL Server database
mysql
Global: Adds mySQL Database support
mysqli
Global: Adds support for the improved mySQL libraries
postgres
Global: Adds support for the postgresql database
sqlite
Global: Adds support for sqlite - embedded sql database
oci8
Global: Adds Oracle 8 Database Support
oci8-instant-client
Global: Use dev-db/oracle-instantclient-basic as Oracle provider instead of requiring a full Oracle server install