Which of the following firing order may be used for a 6-cylinder engine? ( )
A.1-2-3-4-5-6
B.1-2-3-6-5-4
C.1-5-3-6-2-4
D.1-3-4-5-6-2
第1题:
You have table ‘apps‘,‘userdata‘ on server that uses MyISAM storage engine.You want to transfer this data to server but use InnoDB engine instead. You execute the following commands: ServerB commands:Shell> mysqldump –u root –h server –no-data apps userdata | mysql –u root –p appsShell> mysql –u root –p –h server –e ‘ALTER TABLE ‘apps‘,‘userdata‘ ENGINE=InnoDB;‘Shell> mysqldump –u root –p –h server –no-create-info –order-by-primary apps userdata | mysql –u root –p appsWhat effect does the – order-by-primary argument have on the mysqldump command?()
A.It exports tables with the most indexes first to assist with import speeds
B.It ensures that unique indexes have no conflicts when the data is dumped
C.It orders by primary key to assist in speeding up importing to InnoDB tables
D.It must be specified so index data is dumped correctly when –on-create-info is used
第2题:
第3题:
下面英文日期写法错误的是____?
A.May 1, 2015
B.1 May,2015
C.1 May 2015
D.May 1st, 2015
第4题:
A.onlythelow-order23bitsoftheMACaddressareusedtomapIPaddresses
B.onlythelow-order24bitsoftheMACaddressareusedtomapIPaddresses
C.onlythehigh-order23bitsoftheMACaddressareusedtomapIPaddresses
D.onlythelow-order23bitsoftheIPaddressareusedtomapMACaddresses
E.the0x01004fMACaddressprefixisusedformappingIPaddressestoMACaddresses
F.the0x01005eMACaddressprefixisusedformappingIPaddressestoMACaddresses
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);