創建一個表T使之具有T表的結構 CREATE TABLE T AS SELECT * FROM T WHERE <>; 創建一個表T使之具有T表的結構和數據 CREATE TABLE T AS SELECT * FROM T; 修改michael用戶的確省表空間為users臨時表空間為temp並給他在users表空間中創建M的空間配額 ALTER USER michael DEFAULT TABLESPACE users TEMPORARY TABLESPACE temp QUOTA m ON users;
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