［A］unique ［B］single ［C］unitary ［D］only
［A］unique ［B］single ［C］unitary ［D］only
相关考题：
He believes his project (项目) is _______ in Northern Ireland. (A)only(B) mere(C) unique(D) the only
Which statements are true regarding system－partitioned tables?() A. Only a single partitioning key column can be specified.B. All DML statements must use partition-extended syntax.C. The same physical attributes must be specified for each partition.D. Unique local indexes cannot be created on a system-partitioned table.E. Traditional partition pruning and partitionwise joins are not supported on these tables.
根据SQL标准，要创建唯一索引该使用下面哪种语句?()A CREATE UNIQUE INDEXB CREATE CLUSTER INDEXC CREATE ONLY INDEXD CREATE PRIMARY INDEX
Which two steps are needed when configuring multiple RPs using MSDP within a single PIM domain? () A. Configure a non-unique address on the loopback interface for use by the PIM RP.B. Configure MSDP with the unique address (router ID) as the local address of the peer.C. Configure MSDP with the non-unique address (router ID) as the local address of the peer.D. Configure a unique address on the loopback interface, used as the PIM RP.
The album is as it was the only one ever signed by the President.[A] unusual[B] unique[C] rare[D] singular
Which three statements about subqueries are true?（）A、A single row subquery can retrieve only one column and one row.B、A single row subquery can retrieve only one row but many columns.C、A multiple row subquery can retrieve multiple rows and multiple columns.D、A multiple row subquery can be compared by using the “” operator.E、A single row subquery can use the IN operator.F、A multiple row subquery can use the “=” operator.
Which two steps are needed when configuring multiple RPs using MSDP within a single PIM domain? （）A、Configure a non-unique address on the loopback interface for use by the PIM RP.B、Configure MSDP with the unique address (router ID) as the local address of the peer.C、Configure MSDP with the non-unique address (router ID) as the local address of the peer.D、Configure a unique address on the loopback interface, used as the PIM RP.
In the United States,educational policies are determined by（）A、the federal governmentB、female only institutionsC、single sex institutionsD、coeducation institutions
Which of the following drive types can be combined in a single EXP5000 expansion unit?（）A、SSD, SATA and FC only B、SSD, SAS and FDE only C、SSD, FDE, SATA and FC only D、SSD, SAS, FDE, FC and SATA
which one of the following accurately describes field names?（）A、they must be unique in a database B、they can only be used once in a view C、they can only used once on each form D、they can be used mulriple times on a form
Which statements about inheritance are true？（） A、 In Java programming language only allows single inheritance.B、 In Java programming language allows a class to implement only one interface.C、 In Java programming language a class cannot extend a class and implement a interface together.D、 In Java programming language single inheritance makes code more reliable.
Which two statements are true about the primary key constraint in a table？ （）A、It is not possible to disable the primary key constraint.B、It is possible to have more than one primary key constraint in a single table.C、The primary key constraint can be referred by only one foreign key constraint.D、The primary key constraint can be imposed by combining more than one column.E、The non-deferrable primary key constraint creates an unique index on the primary key column if it is not already indexed.
Which statements are true regarding listeners（）A、Listeners use only the TCP/IP protocol.B、Multiple listener processes can run simultaneously on a host.C、Multiple database instances can be registered with a single listener.D、The listener-related errors can be traced only at the administrative level.E、Only one database instance can be registered with a single listener at any time
Which two statements are true regarding listeners（）A、Listeners use only the TCP/IP protocol.B、Multiple listener processes can run simultaneously on a host.C、Multiple database instances can be registered with a single listener.D、The listener-related errors can be traced only at the administrative level.E、Only one database instance can be registered with a single listener at any time.
Cer-tech .com has a server that runs Windows Server 2008. You have installed the Web Server （IIS） roleon it. Cer-tech plans to host multiple websites on the server. To achieve this you configure a single IPaddress on the server. You also configure all websites to be registered in DNS to point to the single IP address configured on the server. You have to make sure that each and every website responds only to thename requests from all client machines. What should you do to achieve this task？（）A、Configure the primary and secondary DNS to point to the server’s IP addressB、Configure a network address for each websiteC、Assign a unique port for each websiteD、Configure and assign a unique Host Header to each website
You have a server that runs Windows Server 2008. The Web Server （IIS） role is installed. You plan to host multiple Web sites on the server. You configure a single IP address for the server. All Web sites are registered in DNS to point to the single IP address. You need to ensure that each Web site only responds to requests by name from all client computers. What should you do？（）A、Configue a unique port for each Web site.B、Configue a unique IP address for each Web site.C、Configue a unique Host Header for each Web site.D、Edit the Hosts file on the server to add all the Web site names associated to the network address.
Which two statements are true regarding single row functions?（）A、They accept only a single argument B、They can be nested only to two levels C、Arguments can only be column values or constants D、They always return a single result row for every row of a queried table E、They can return a data type value different from the one that is referenced
单选题which one of the following accurately describes field names?（）Athey must be unique in a database Bthey can only be used once in a view Cthey can only used once on each form Dthey can be used mulriple times on a form
多选题Which two steps are needed when configuring multiple RPs using MSDP within a single PIM domain? （）AConfigure a non-unique address on the loopback interface for use by the PIM RP.BConfigure MSDP with the unique address (router ID) as the local address of the peer.CConfigure MSDP with the non-unique address (router ID) as the local address of the peer.DConfigure a unique address on the loopback interface, used as the PIM RP.
单选题Which of the following drive types can be combined in a single EXP5000 expansion unit?（）ASSD, SATA and FC only BSSD, SAS and FDE only CSSD, FDE, SATA and FC only DSSD, SAS, FDE, FC and SATA
多选题Which two statements are true regarding single row functions?（）AThey accept only a single argumentBThey can be nested only to two levelsCArguments can only be column values or constantsDThey always return a single result row for every row of a queried tableEThey can return a data type value different from the one that is referenced
多选题Which two statements are true about the primary key constraint in a table？ （）AIt is not possible to disable the primary key constraint.BIt is possible to have more than one primary key constraint in a single table.CThe primary key constraint can be referred by only one foreign key constraint.DThe primary key constraint can be imposed by combining more than one column.EThe non-deferrable primary key constraint creates an unique index on the primary key column if it is not already indexed.
单选题You have a server that runs Windows Server 2008. The Web Server （IIS） role is installed. You plan to host multiple Web sites on the server. You configure a single IP address for the server. All Web sites are registered in DNS to point to the single IP address. You need to ensure that each Web site only responds to requests by name from all client computers. What should you do？（）AConfigue a unique port for each Web site.BConfigue a unique IP address for each Web site.CConfigue a unique Host Header for each Web site.DEdit the Hosts file on the server to add all the Web site names associated to the network address.