單項(xiàng)選擇題以下哪項(xiàng)是用來排序()
A.ORDERED BY
B.ORDER BY
C.GROUP BY
D.GROUPED BY
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1.單項(xiàng)選擇題以下插入中記錄正確的()
A.insert into emp(ename,hiredate,sal)values(value1,value2,value3);
B.insert into emp(ename,sal)values(value1,value2,value3);
C.insert into emp(ename)values(value1,value2,value3);
D.insert into emp(ename,hiredate,sal)values(value1,value2);
2.單項(xiàng)選擇題MySQL中,預(yù)設(shè)的、擁有最高權(quán)限超級(jí)用戶的用戶名為()
A.test
B.Administrator
C.DA
D.root