哪条 SELECT 语句可得到单价大于5.00的记录条数? ( )
SELECT SUM(*) FROM inventory WHERE price > 5.00;
SELECT COUNT(*) FROM inventory ORDER BY price;
SELECT COUNT(*) FROM inventory WHERE price > 5.00;
SELECT SUM(*) FROM inventory GROUP BY price > 5.00;
青云测评
青云测评
哪条 SELECT 语句可得到单价大于5.00的记录条数? ( )
SELECT SUM(*) FROM inventory WHERE price > 5.00;
SELECT COUNT(*) FROM inventory ORDER BY price;
SELECT COUNT(*) FROM inventory WHERE price > 5.00;
SELECT SUM(*) FROM inventory GROUP BY price > 5.00;
