A、cut down⋯much
B、cut out⋯much
C、subtract⋯low
D、decrease⋯high
第1题:
The ORDERS table has these columns:ORDER_ID NUMBER(4) NOT NULLCUSTOMER_ID NUMBER(12) NOT NULLORDER_TOTAL NUMBER(10,2)The ORDERS table tracks the Order number, the order total, and the customer to whom the Order belongs.Which two statements retrieve orders with an inclusive total that ranges between 100.00 and 2000.00 dollars? ()
A. SELECT customer_id, order_id, order_total FROM orders RANGE ON order _ total (100 AND 2000) INCLUSIVE;
B. SELECT customer_id, order_id, order_total FROM orders HAVING order _ total BETWEEN 100 and 2000;
C. SELECT customer_id, order_id, order_total FROM orders WHERE order _ total BETWEEN 100 and 2000;
D. SELECT customer_id, order_id, order_total FROM orders WHERE order_total>= 100 and <= 2000;
E. SELECT customer_id, order_id, order_total FROM orders WHERE order_total>= 100 and order_total <= 2000;
第2题:
A.onlythelow-order23bitsoftheMACaddressareusedtomapIPaddresses
B.onlythelow-order24bitsoftheMACaddressareusedtomapIPaddresses
C.onlythehigh-order23bitsoftheMACaddressareusedtomapIPaddresses
D.onlythelow-order23bitsoftheIPaddressareusedtomapMACaddresses
E.the0x01004fMACaddressprefixisusedformappingIPaddressestoMACaddresses
F.the0x01005eMACaddressprefixisusedformappingIPaddressestoMACaddresses
第3题:
针对数据库bookshop,创建视图sale_item_view,该视图中包含订单编号、订货日期、图书编号及数量。可以使用以下SQL语句实现: create view sale_item_view(order_no,order_date,book_no,qty) as select sales.order_no,sales.order_date,book_no,qty from sales,sale_item where sales.order_no=sale_item.order_no
第4题:
A.Pre-order,pre-installation
B.Post-order,pre-installation
C.Pre-order,postcompletionsign-off
D.Pre-installation,postcompletionsign-off
第5题:
4、在本节中,测试类里创建了Person类的对象p,使用该对象调用order()方法正确的是()。
A.p.order(new Car());
B.p.order(new Truck());
C.p.order(Car myCar);
D.p.order(Truck myTruck);
第6题:
在本节中,测试类里创建了Person类的对象p,使用该对象调用order()方法正确的是()。
A.p.order(new Car());
B.p.order(new Truck());
C.p.order(Car myCar);
D.p.order(Truck myTruck);