A.TRUNCATE TABLE 刪除數(shù)據(jù)后可以恢復，而DELETE 不可以恢復 B.TRUNCATE TABLE 刪除數(shù)據(jù)后不可以恢復，而DELETE 可以恢復 C.兩者刪除數(shù)據(jù)過后都可以恢復 D.兩者刪除數(shù)據(jù)后都不可以恢復
A.select * from authors where au_id =”72_-%” B.select au_id=72_-% from authors C.select * from authors where au_id like “72*-%” D.select * from authors where au_id like “72_-%” _代表任意一個字符
A. select * from authors where au_name=”d” B. select “d” from authors C. select * from authors where au_name like “d%” D. select au_name like “d%” from authors
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