SQL 查詢所有表名: SELECT NAME FROM SYSOBJECTS WHERE TYPE='U' SELECT * FROM INFORMATION_SCHEMA.TABLES 查詢表的所有字段名: SELECT NAME FROM SYSCOLUMNS WHERE ID=OBJECT_ID(' 表名' ) SELECT * FROM INFORMATION_SCHEMA.TABLES SELECT * FROM INFORMATION_SCHEMA.VIEWS SELECT * FROM INFORMATION_SCHEMA.COLUMNS Oracle 查看所有表名: SELECT TABLE_NAME FROM USER_TABLES ACCESS 查看所有表名: SELECT NAME FROM MSYSOBJECTS WHERE TYPE=1 AND FLAGS=0 MSYSOBJECTS 是系統對象,默認情況是隱藏的。通過工具、選項、視圖、顯示、系統對象可以使之顯示出來。