数据库扩展

• 数据库抽象层
  • DBA — Database (dbm-style) Abstraction Layer
  • dbx
  • ODBC — ODBC (Unified)
  • PDO — PHP Data Objects
• 与具体数据库系统相关的扩展
  • dBase
  • DB++
  • FrontBase
  • filePro
  • Firebird/InterBase
  • Informix
  • IBM DB2 — IBM DB2, Cloudscape and Apache Derby
  • Ingres
  • MaxDB
  • mSQL
  • Mssql — Microsoft SQL Server
  • MySQL
  • Mysqli — MySQL Improved Extension
  • OCI8 — Oracle OCI8
  • Ovrimos SQL
  • Paradox — Paradox File Access
  • PostgreSQL
  • SQLite
  • SQLite3
  • Sybase