單項(xiàng)選擇題SQL是一種()語(yǔ)言。

A.函數(shù)型
B.高級(jí)算法
C.關(guān)系數(shù)據(jù)庫(kù)
D.人工智能


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你可能感興趣的試題

1.單項(xiàng)選擇題以下哪項(xiàng)是用來(lái)分組的()

A.ORDER BY
B.ORDERED BY
C.GROUP BY
D.GROUPED BY

2.單項(xiàng)選擇題創(chuàng)建數(shù)據(jù)庫(kù)使用以下哪項(xiàng)()

A.create mytest
B.create table mytest
C.database mytest
D.create database mytest

4.單項(xiàng)選擇題以下中語(yǔ)句錯(cuò)誤的是()

A.alter table emp delete column addcolumn;
B.alter table emp modify column addcolumn char(10);
C.alter table emp change addcolumn addcolumn int;
D.alter table emp add column addcolumn int;

5.單項(xiàng)選擇題刪除用戶賬號(hào)命令是()

A.DROP USER
B.DROP TABLE USER
C.DELETE USER
D.DELETE FROM USER