General

• Introduction to Structured Query Language

MySQL

• MySQL
• ¥½¥Õ¥È¥¨¥¤¥¸¥§¥ó¥·¡¼¤ÎMySQL

PostgreSQL

• PostgreSQL Home Page
• PostgreSQL ¥á¥¤¥ê¥ó¥°¥ê¥¹¥È(J) Home Page
• xtosho manual
• MPSQL - An Interactive Query Tool for PostgresSQL