网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
多选题
Which three statements about subqueries are true? （）
A
A main query can have more than one subquery.
B
A subquery can have more than one main query.
C
The subquery and main query must retrieve data from the same table.
D
The subquery and main query can retrieve data from different tables.
E
Only one column or expression can be compared between the subquery and main query.
F
Multiple columns or expression can be compared between the subquery and main query.
参考答案
参考解析
解析：
暂无解析
更多 “多选题Which three statements about subqueries are true? （）AA main query can have more than one subquery.BA subquery can have more than one main query.CThe subquery and main query must retrieve data from the same table.DThe subquery and main query can retrieve data from different tables.EOnly one column or expression can be compared between the subquery and main query.FMultiple columns or expression can be compared between the subquery and main query.” 相关考题
考题
Which three statements are true about a registration server in a community?() (Choose three.)
A. It is a hub device installed in the community.B. A community can have one or more registration servers.C. It shows the serial numbers of all devices in the community.D. It stores network and community information for each device.E. It is required for tunnel formation between different WX devices in the same community.
考题
Which of these statements is true about ssids configured in cisco adu？（）A、ssids are not case-sensitive.B、ssids must be listed in the same order in the adu as they are in the access point.C、a maximum of three ssids may be configured.D、ssids may have a maximum of 16 characters.
考题
Which three statements about Label-Switched Paths （LSPs） are true？ （）A、 LSPs are bidirectional.B、 LSPs are unidirectional.C、 LSPs can be signaled by CAC.D、 LSPs can be configured explicitly.E、 LSPs can be configured dynamically.
考题
Which three statements are true about terms in a policy?（）A、The order of the terms in a policy is irrelevantB、The action is specified in a then statementC、Ters are optional in a policyD、The match condition can be identified with a from statementE、Every policy must contain at least one term
考题
Which three statements are true regarding subqueries?（）A、Subqueries can contain GROUP BY and ORDER BY clauses B、Main query and subquery can get data from different tables C、Main query and subquery must get data from the same tables D、Subqueries can contain ORDER BY but not the GROUP BY clause E、Only one column or expression can be compared between the main query and subqueryF、 Multiple columns or expressions can be compared between the main query and subquery
考题
Which three statements about performance analysis by SQL Performance Analyzer are true? （）(Choose three.)A、It detects changes in SQL execution plans.B、It produces results that can be used to create the SQL plan baseline.C、The importance of SQL statements is based on the size of the objects accessed.D、It generates recommendations to run SQL Tuning Advisor to tune regressed SQLs.E、It shows only the overall impact on workload and not the net SQL impact on workload.
考题
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.
考题
Which three statements are true about terms in a policy?（）A、The order of the terms in a policy is irrelevant.B、The action is specified in a then statement.C、Terms are optional in a policy.D、The match condition can be identified with a from statement.E、A from statement is mandatory in a term.
考题
Which three statements are true about policing？ （）A、Out-of-profile packets are queued.B、It causes TCP retransmits.C、Marking and remarking are not supported.D、It does not respond to BECN and foresight messages.E、It uses a single- and two-bucket mechanism for metering.
考题
Which three of these statements about the IP service level agreement （SLA） sender are true？ （）A、SLA sender target can be an IP hostB、SLA sender sends a probe packet and a response probe packetC、SLA sender sends a probe packetD、SLA sender target must be a routerE、SLA sender target can be an IP SLA responder
考题
Which three statements are true about Source Specific Multicast？（）A、Is best suited for applications that are in the one-to-many category.B、SSM uses shortest path trees only.C、The use of SSM is recommended when there are many sources and it is desirable to keep the amount of mroute state in the routers in the network to a.D、There are no RPs to worry about.
考题
Which three characteristics are true about voice traffic in the campus network？ （）A、TCP retransmitsB、benignC、greedyD、drop sensitiveE、smoothF、delay insensitive
考题
Which two statements are true regarding subqueries? （）A、A subquery can retrieve zero or more rows B、Only two subqueries can be placed atone level C、A subquery can be used only in SQL query statements D、A subquery can appear on either side of a comparison operator E、There is no limit on the number of subquery levels in the WHERE clause of a SELECT statement
考题
Which two statements about subqueries are true? （）A、A subquery should retrieve only one row.B、A subquery can retrieve zero or more rows.C、A subquery can be used only in SQL query statements.D、Subqueries CANNOT be nested by more than two levels.E、A subquery CANNOT be used in an SQL query statement that uses group functions.F、When a subquery is used with an inequality comparison operator in the outer SQL statement, the column list in the SELECT clause of the subquery should contain only one column.
考题
Which three statements about subqueries are true? （）A、Asinglerowsubquerycanretrieveonlyonecolumnandonerow.B、Asinglerowsubquerycanretrieveonlyonerowbutmanycolumns.C、Amultiplerowsubquerycanretrievemultiplerowsandmultiplecolumns.D、Amultiplerowsubquerycanbecomparedusingthe"；；"；operator.E、AsinglerowsubquerycanusetheINoperator.F、Amultiplerowsubquerycanusethe"；="；operator.
考题
多选题Which three are true about MPLS LSP establishment using RSVP?（） (Choose three.)AOrdered ControlBIndependent ControlCDown Stream UnsolicitedDLiberal Label ManagementEDown Stream On Demand
考题
多选题Which three statements about Label-Switched Paths （LSPs） are true？ （）ALSPs are bidirectional.BLSPs are unidirectional.CLSPs can be signaled by CAC.DLSPs can be configured explicitly.ELSPs can be configured dynamically.
考题
多选题Which three characteristics are true about voice traffic in the campus network？ （）ATCP retransmitsBbenignCgreedyDdrop sensitiveEsmoothFdelay insensitive
考题
单选题Which of these statements is true about ssids configured in cisco adu？（）A
ssids are not case-sensitive.B
ssids must be listed in the same order in the adu as they are in the access point.C
a maximum of three ssids may be configured.D
ssids may have a maximum of 16 characters.
考题
多选题Which three statements are true about terms in a policy?（）AThe order of the terms in a policy is irrelevantBThe action is specified in a then statementCTers are optional in a policyDThe match condition can be identified with a from statementEEvery policy must contain at least one term
考题
多选题Which three statements are true about Source Specific Multicast？（）AIs best suited for applications that are in the one-to-many category.BSSM uses shortest path trees only.CThe use of SSM is recommended when there are many sources and it is desirable to keep the amount of mroute state in the routers in the network to a.DThere are no RPs to worry about.
考题
多选题Which three statements about subqueries are true? （）AAsinglerowsubquerycanretrieveonlyonecolumnandonerow.BAsinglerowsubquerycanretrieveonlyonerowbutmanycolumns.CAmultiplerowsubquerycanretrievemultiplerowsandmultiplecolumns.DAmultiplerowsubquerycanbecomparedusingthe；；；operator.EAsinglerowsubquerycanusetheINoperator.FAmultiplerowsubquerycanusethe；=；operator.
考题
多选题Which three statements about subqueries are true?（）AA single row subquery can retrieve only one column and one row.BA single row subquery can retrieve only one row but many columns.CA multiple row subquery can retrieve multiple rows and multiple columns.DA multiple row subquery can be compared by using the operator.EA single row subquery can use the IN operator.FA multiple row subquery can use the = operator.
考题
多选题Which three statements about subqueries are true? （）AA main query can have more than one subquery.BA subquery can have more than one main query.CThe subquery and main query must retrieve data from the same table.DThe subquery and main query can retrieve data from different tables.EOnly one column or expression can be compared between the subquery and main query.FMultiple columns or expression can be compared between the subquery and main query.
考题
多选题Which three statements about NetFlow are true？（）ANetFlow records unidirectional IP traffic flow.BNetFlow records MPLS frame flow.CNetFlow expert is only over TCP.DNetFlow records is only over UDP.ENetFlow records subinterface information of traffic flow.
考题
多选题Which three statements are true regarding subqueries?（）ASubqueries can contain GROUP BY and ORDER BY clausesBMain query and subquery can get data from different tablesCMain query and subquery must get data from the same tablesDSubqueries can contain ORDER BY but not the GROUP BY clauseEOnly one column or expression can be compared between the main query and subqueryFMultiple columns or expressions can be compared between the main query and subquery
考题
多选题Which two statements are true regarding subqueries? （）AA subquery can retrieve zero or more rowsBOnly two subqueries can be placed atone levelCA subquery can be used only in SQL query statementsDA subquery can appear on either side of a comparison operatorEThere is no limit on the number of subquery levels in the WHERE clause of a SELECT statement
考题
多选题Which three statements are true about windows? （）(Choose three.)AOnly one window can be open at any given timeBConsumer groups are associated with windowsCWindows work with job classes to control resource allocationDThe database service name must be provided during windows creationEWindows can automatically start job or change resource allocation among jobs for various time periods.
热门标签
最新试卷