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
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最新試題
MySQL變量可分為兩大類,即()
不同的用戶合理地分配相應權限,能有效控制不同用戶對不同數(shù)據(jù)的“增刪秘方”權限,是保護數(shù)據(jù)的一種有效手段。
在以下選項中哪些屬于視圖的功能()
存儲過程一經(jīng)定義,就可以被反復調用,從而實現(xiàn)了代碼的復用性、封裝性、高性能等。
在MySQL中,使用insert語句向數(shù)據(jù)庫表插入數(shù)據(jù)記錄的方式有()
用戶可以超出權限控制對數(shù)據(jù)庫進行訪問。
MySQL 5.0存貯過程的優(yōu)勢是()
MySQL變量可分為兩大類,即用戶變量和系統(tǒng)變量。
out模式定義的參數(shù)只能在過程體內部賦值,表示該參數(shù)可以將某個值傳遞回調用他的過程。
在MYSQL中,存儲過程不可以帶有參數(shù)。