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多选题
Examine the list of variables and their data types： AME DATA Type TS， TS1 TIMESTAMP TSZ TIMESTAMP WITH TIME ZONE TLZ TIMESTAMP WITH LOCAL TIME ZONE IYM INTERVAL YEAR TO MONTH IDS， IDSI INTERVAL YEAR To SECOND Which three expressions using the new data and time data types are valid？（）
A
IDS* 2
B
TS + IYM
C
TS –TSI
D
IDS – TS
E
IDS + IYM
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You are the administrator of a Windows Server 2003 computer named Server1. The hardware vendor forServer1 notifies you that a critical hotfix is available. This hotfix is required for all models of this computer thathave a certain network interface card.You need to find out if the network interface card that requires the hotfix is installed in Server1.What are two possible ways to achieve this goal? （）(Each correct answer presents a complete solution. Choose two.)A. Open Network Connections, and then examine the properties of each connection that is listed.B. Open the Component Services snap-in, expand Computers, expand My Computer, and then examine the list.C. Run the netsh interface command, and then examine the list.D. Open Device Manager, expand Network adapters, and then examine the list
考题
Exhibit:Examine the data in the EMPLOYEES table.Examine the subquery:SELECT last_nameFROM employeesWHERE salary IN (SELECT MAX(salary)FROM employeesGROUP BY department_id);Which statement is true?()
A. The SELECT statement is syntactically accurate.B. The SELECT statement does not work because there is no HAVING clause.C. The SELECT statement does not work because the column specified in the GROUP BY clause is not in the SELECT list.D. The SELECT statement does not work because the GROUP BY clause should be in the main query and not in the subquery.
考题
Examine the contents of SQL loader control file:Which three statements are true regarding the SQL* Loader operation performed using the control file?()
A. An EMP table is created if a table does not exist. Otherwise, if the EMP table is appended with the loaded data.B. The SQL* Loader data file myfile1.dat has the column names for the EMP table.C. The SQL* Loader operation fails because no record terminators are specified.D. Field names should be the first line in the both the SQL* Loader data files.E. The SQL* Loader operation assumes that the file must be a stream record format file with the normal carriage return string as the record terminator.
考题
Click the Exhibit button and examine the data in the EMPLOYEES table.Examine the subquery:SELECT last_nameFROM employeesWHERE salary IN (SELECT MAX(salary)FROM employeesGROUP BY department_id);Which statement is true?（）A.The SELECT statement is syntactically accurate.B.The SELECT statement does not work because there is no HAVING clause.C.The SELECT statement does not work because the column specified in the GROUP BY clause is not in the SELECT list.D.The SELECT statement does not work because the GROUP BY clause should be in the main query and not in the subquery.
考题
In C language,(70)is a collection of one or more variables, possibly of different types, grouped together under a single name for convenient handling.A．a structureB．a fileC．an arrayD．a string
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考题
You are the administrator of a SQL Server 2000 computer. The server contains a database that stores financial data. You want to use Data Transformation Services packages to import numeric data from other SQL server computers. The precision and scale values of this data are not defined consistently on the other servers.You want to prevent any loss of data during the import operations. What should you do?A．Use the ALTER COLUMN clause of the ALTER TABLE statement to change data types in the source tables. Change the data types so that they will use the lowest precision and scale values of the data that will be transferred.B．Use the ALTER COLUMN clause of the ALTER TABLE statement to change data types in the destination tables. Change the data types to reflect the highest precision and scale values involved in data transfer.C．Set a flag on each DTS transformation to require an exact match between source and destination columns.D．Set the maximum error count for each DTS transformation task equal to the number of rows of data you are importing. Use an exception file to store any rows of data that generate errors.E．Write Microsoft ActiveX script. for each DTS transformation. Use the script. to recast data types to the destinations precision and scale values.
考题
You are developing a Windows Presentation Foundation (WPF) application that display pricing and inventory.List box‘s ItemsSource property has decimal and string types. Decimals represent price and strings represents the folowing markup is defined as follows.You need to ensure that data templates are used to format the strings without changes and the decimals as ..Which markup segment should you insert at line 05 ?（）A.B.C.D.
考题
要向DatA．dat 文件中添加数据，下面语句中正确的是______。A．Open "DatA．dat" For OutputAs #1B．Open "DatA．daf' For InputAs #1C．Open DatA．dat For OutputAs #ID．Open DatA．dar For Append As #1
考题
Which WAN service utilizes two different encapsulation types (one for data and one for signaling) on its data link layer?()
A. ISDNB. Frame RelayC. ATMD. FDDI
考题
Designing the data storage architecture is an important activity in system design. There are two main types of data storage formats： files and databases. Files are electronic of data that have been optimized to perform a particular transaction. There are several types of files that differ in the way they are used to support an application. （请作答此空） store core information that is important to the business and , more specifically , to the application , such as order information or customer mailing information. （ ） contain static values , such as a list of valid codes or the names of cities . Typically, the list is used for validation. A database is a collection of groupings of information that are related to each other in some way. There are many different types of databases that exist on the market today. （ ） is given to those databases which are based on older , sometimes outdated technology that is seldom used to develop new applications . （ ） are collections of records that are related to each other through pointers In relational database , （ ） can be used in ensuring that values linking the tables together through the primary and foreign keys are valid and correctly synchronized.A. Master files
B. Look-up files
C. Transaction files
D. History files
考题
Designing the data storage architecture is an important activity in system design. There are two main types of data storage formats： files and databases. Files are electronic of data that have been optimized to perform a particular transaction. There are several types of files that differ in the way they are used to support an application. （ ） store core information that is important to the business and , more specifically , to the application , such as order information or customer mailing information. （ ） contain static values , such as a list of valid codes or the names of cities . Typically, the list is used for validation. A database is a collection of groupings of information that are related to each other in some way. There are many different types of databases that exist on the market today. （ ） is given to those databases which are based on older , sometimes outdated technology that is seldom used to develop new applications . （ ） are collections of records that are related to each other through pointers In relational database , （请作答此空） can be used in ensuring that values linking the tables together through the primary and foreign keys are valid and correctly synchronized.A. identifying relationships
B. normalization
C. referential integrity
D. store procedure
考题
在读字节文件Employee.dat时，使用该文件作为参数的类是（）。A、Buffered ReaderB、Data Input StreamC、Data Output StreamD、File Input Stream
考题
Which WAN service utilizes two different encapsulation types (one for data and one for signaling) on its data link layer?（）A、ISDNB、Frame RelayC、ATMD、FDDI
考题
You are writing a JSP that includes scriptlet code to declare a List variable and initializes that variable to anArrayList object. Which two JSP code snippets can you use to import these list types？（）A、%! import java.util.*； %B、%! import java.util.List；import java.util.ArrayList； %C、%@ page import=’java.util.List’import=’java.util.ArrayList’ %D、%@ import types=’java.util.List’types=’java.util.ArrayList’ %E、%@ page import=’java.util.List，java.util.ArrayList’ %F、%@ import types=’java.util.List，java.util.ArrayList’ %
考题
What is the objective of the aaa authentication login console-in local command？（）A、It specifies the login authentication method list named console-in using the local user database on the routerB、It specifies the login authorization method list named console-in using the local RADIUS username-password data baseC、It specifies the login authentication list named console-in using the local username- password data base on the routerD、It specifies the login authorization method list named console-in using the local username- password data base on the router
考题
Examine the contents of SQL loader control file: Which three statements are true regarding the SQL* Loader operation performed using the control file?（）A、An EMP table is created if a table does not exist. Otherwise, if the EMP table is appended with the loaded data.B、The SQL* Loader data file myfile1.dat has the column names for the EMP table.C、The SQL* Loader operation fails because no record terminators are specified.D、Field names should be the first line in the both the SQL* Loader data files.E、The SQL* Loader operation assumes that the file must be a stream record format file with the normal carriage return string as the record terminator.
考题
You are the network administrator for You administer a Windows Server 2003 computer named TestKing5. The hardware vendor for TestKing5 notifies you that a critical hotfix is available. This hotfix is required for all models of this computer that have a certain network interface card. You need to find out if the network interface card that requires the hotfix is installed in TestKing5. What are two possible ways to achieve this goal? (Each correct answer presents a complete solution. Choose two.)（）A、Open Network Connections, and then examine the properties of each connection that is listed.B、Open the Component Services snap-in, expand Computers, expand My Computer, and then examine the list.C、Run the netsh interface command, and then examine the list.D、Open Device Manager, expand Network adapters, and then examine the list.
考题
多选题View the Exhibit and examine the data in the PRODUCT INFORMATION table. Which two tasks would require subqueries？ （）Adisplaying the minimum list price for each product statusBdisplaying all supplier IDs whose average list price is more than 500Cdisplaying the number of products whose list prices are more than the average list priceDdisplaying all the products whose minimum list prices are more than the average list price of products having the product status orderableEdisplaying the total number of products supplied by supplier 102071 and having product status OBSOLETE
考题
单选题What is the objective of the aaa authentication login console-in local command？（）A
It specifies the login authentication method list named console-in using the local user database on the routerB
It specifies the login authorization method list named console-in using the local RADIUS username-password data baseC
It specifies the login authentication list named console-in using the local username- password data base on the routerD
It specifies the login authorization method list named console-in using the local username- password data base on the router
考题
多选题You are writing a JSP that includes scriptlet code to declare a List variable and initializes that variable to anArrayList object. Which two JSP code snippets can you use to import these list types？（）A%! import java.util.*； %B%! import java.util.List；import java.util.ArrayList； %C%@ page import=’java.util.List’import=’java.util.ArrayList’ %D%@ import types=’java.util.List’types=’java.util.ArrayList’ %E%@ page import=’java.util.List，java.util.ArrayList’ %F%@ import types=’java.util.List，java.util.ArrayList’ %
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