SELECT product_name, SUM(quantity) AS total_quantity FROM orders GROUP BY product_name ORDER BY total_quantity DESC LIMIT 1 OFFSET 1;_牛客网_牛客在手,offer不愁
Customers.CompanyName, Suppliers.ComPany.Name FROM Customers, Suppliers WHERE Customers.City=Suppliers.City 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 例:找出产品库存量大于同一种产品的定单的数量的产品和定单 SELECT ProductName,OrderID, UnitInStock, Quantity FROM Products, [Order Deails] WHER...
以下是产品(PRODUCT)表中的数据: SELECT description, quantity, cost FROM product WHERE manufacturer_id LIKE ’NF10032’ AND NVL(cost, 0)<5.00ORDER BY quantity DESC, cost;以上的查询语句将产生如下的哪个结果A.DESCRIPTION QUANTITY COST --- --- --- AA 2pk-battery 2513 AAA 6pk-battery 546 3B...
SQL 複製 USE AdventureWorks2022; GO SELECT ProductID, AVG(OrderQty) AS AverageQuantity, SUM(LineTotal) AS Total FROM Sales.SalesOrderDetail GROUP BY ProductID HAVING SUM(LineTotal) > $1000000.00 AND AVG(OrderQty) < 3; GO 若要查看總銷售額大於 $2000000.00的產品,請使用下列查詢:SQL 複製 ...
没错这就是DQL,数据查询语言。来看看怎么用。 select语句按照复杂程度来说分为简单查询、where查询、多表查询、子查询等。 先来看看select的语法 方便研究,先来创建一个表pro。 1.简单查询 简单查询用到上面查询语句的前四行。 1.获取productname 和 origin的数据
ORDER BY UnitPrice*Quantity*(1-Discount) DESC 3用 AS 子句为字段取别名 如果想为返回的列取一个新的标题,或者,经过对字段的计算或总结之后,产生了一个新的值,希望把它放到一个新的列里显示,则用AS保留。 例:返回FirstName字段取别名为NickName
SELECT column1, column2, ..., IF(condition, result1, result2) FROM table_name 其中,condition是条件表达式,result1和result2是对应条件的结果。 举个例子,假设有一个名为orders的表,包含id、product和quantity字段,我们可以使用If else条件查询来返回购买产品数量大于10的订单信息: 代码语言:txt 复制 SELECT...
SQL> SELECT product_nameFROM order_items o, product_infornation pWHERE o.unit price = 15AND quantity > 1AND p.product_id = o.product_1d; 30 rows selected.Identify the reason why the optimizer chose different execution plans. A、 The optimizer used a dynamic plan for the query. B、 ...
3) Various sizes, colors and package can be made according to clients' requirements. Product Name Glass mosaic tile Materials Glass mix aluminum Pattern Strip Mounted Technic Mesh Mounted Sheet Size 300x300mm Chip Size Thickness 8mm Supply Ability 5000 Square Me...
SELECT p.product_name, AVG(o.quantity) AS average_quantity FROM orders o JOIN products p ON o.product_id = p.product_id WHERE DATEDIFF(CURRENT_DATE, o_牛客网_牛客在手,offer不愁