单选题The database administrator of your company created a public synonym called HR for the HUMAN_RESOURCES table of the GENERAL schema, because many users frequently use this table. As a user of the database, you created a table called HR in your schema. What happens when you execute this query? SELECT * FROM HR; ()AYou obtain the results retrieved from the public synonym HR created by the database administrator.BYou obtain the results retrieved from the HR table that belongs to your schema.CYou get an error message because you cannot retrieve from a table that has the same name as a public synonym.DYou obtain the results retrieved from both the public synonym HR and the HR table that belongs to your schema, as a Cartesian product.EYou obtain the results retrieved from both the public synonym HR and the HR table that belongs to your schema, as a FULL JOIN.

单选题
The database administrator of your company created a public synonym called HR for the HUMAN_RESOURCES table of the GENERAL schema, because many users frequently use this table. As a user of the database, you created a table called HR in your schema. What happens when you execute this query? SELECT * FROM HR; ()
A

You obtain the results retrieved from the public synonym HR created by the database administrator.

B

You obtain the results retrieved from the HR table that belongs to your schema.

C

You get an error message because you cannot retrieve from a table that has the same name as a public synonym.

D

You obtain the results retrieved from both the public synonym HR and the HR table that belongs to your schema, as a Cartesian product.

E

You obtain the results retrieved from both the public synonym HR and the HR table that belongs to your schema, as a FULL JOIN.


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单选题You work in a company which is named Wiikigo Corp. The company uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. There is a database named Service in the instance. There is a database user who is named ServiceGreatUser. A SQL Server login named ServiceGreatLogin maps to ServiceGreatUser in the Service database. According to the requirement of the company CIO, the database user can only perform the two tasks below: the database user executes all stored procedures that currently exist in the Sales database and executes all stored procedures that will be created in the Sales database. So what should you do to ensure this? ()AServiceGreatUser should be added to the appropriate fixed database roles. BYou should assign the appropriate object-level permissions to ServiceGreatUser CYou should assign the appropriate server-level permissions to ServiceGreatLogin DYou should assign the appropriate database-level permissions to ServiceGreatUser

单选题You work as a database administrator for Supportcenter.cn. Your database is configured for automatic undo management. UNDO_RETENTION is set to 3 hours. You want to flash back a table that was created last year. How far back can the flashback query go?()A3 hoursB6 monthsCuntil last yearDuntil last commitEuntil the point when the undotablespacewas refreshedFuntil the database is shut down and the memory erased

单选题You are a professional level SQL Server 2005 database administrator in an international corporation named Wiikigo. You are experienced in implementing high-availability solutions, monitoring the database server, and design deployment. In the company, you major job is the deployment, maintenance and support of Microsoft SQL Server 2005. You work as a database administrator for your company. A SQL Server 2005 computer is managed by you, and a database named Customers is included by the SQL Server 2005 computer. A table named CustInfo is included by the database. An identity column named CustID and an nvarchar column named CustName are included by the table. According to the company requirement, rows which duplicate CustName values are included should be moved from the CustInfo table every year. However, the company requests to have rows removed from the CustInfo table after the rows have been manually examined and verified as being duplicates. Since you are the technical support, you are required to think out a method to have potential duplicate rows identified for manual examination. The minimum amount of administrative effort should be utilized.  Which action should be performed to finish the task?()AA trigger should be created for the CustInfo table so as to roll back INSERT queries that duplicate data is included.BA new unique index should be created on the CustName column. And then, IGNORE_DUP_KEY = ON should be specified when creating index.COn the CustName column, a foreign key constraint should be created, and a distinct list of CustName values is referenced by the foreign key constraint.DA SELECT INTO query should be utilized, and GROUP BY and HAVING clauses should be included by the query to create a new table that contains duplicate rows from the CustInfo table.

多选题You are the network administrator of a medium-sized company, and users are complaining that they cannot send emails to some organizations. During your troubleshooting, you notice that your DNS MX record is blacklisted by several public blacklist filters. After clearing these listings for your IP address, and assuming that your email server has the right virus protection in place, what are two possible solutions to prevent this from happening in the future?()AChange your Internet provider.BChange your public IP address.CAllow the email server to send traffic only to TCP port 25.DPut your email server in a DMZ.EUse a separate public IP address for your email server only.

单选题You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. Now you get an order from your company CIO, you have to identify whether a database integrity check (DBCC CHECKDB) was run for a particular database.  Which log file should you examine?()Alog.trc Bdefault.trc CERRORLOG DSQLAGENT

单选题You are a professional level SQL Server 2005 database administrator in an international corporation named Wiikigo. You are experienced in implementing high-availability solutions, monitoring the database server, and design deployment. In the company, you major job is the deployment, maintenance and support of Microsoft SQL Server 2005. You work as the administrator of a SQL Server 2005 computer, and the computer is called SQL1. There are two databases on the SQL1, and the two databases are respectively named Production and DW. A new database named Staging is created. When the data are moving from the Production database into the DW database, the Staging database is utilized temporarily to store and manipulate data. Since you are the database administrator, you are required to make sure the points listed below. First, the tables should not be removed from the Staging database. Second, any attempts to have tables migrated should be logged. Third, your solution should not impact on other databases.  Which action should be performed to achieve the goal?()ATo achieve the goal, a DML trigger on each table should be created to prevent deletion of data.BTo achieve the goal, a DDL trigger should be created, and that the ON DATABASE parameter is utilized by DDL trigger for the Staging database.CTo achieve the goal, an event notification should be created to fire when the TRUNCATE TABLE Transact-SQL statement is submitted to the Staging database.DTo achieve the goal, a DDL trigger should be created, and the ON ALL SERVER parameter is utilized by the DDL trigger.

单选题You are a professional level SQL Server 2005 database administrator in an international corporation named Wiikigo. You are experienced in implementing high-availability solutions, monitoring the database server, and design deployment. In the company, you major job is the deployment, maintenance and support of Microsoft SQL Server 2005. You work as a database administrator for your company. You utilize the SP:Recompile event class to run SQL Server Profiler. You find that a great amount of recompiles occurring. The possible causes of the large number of recompiles should be identified.  From the flowing four options, which one is the most possible cause of the problem?()AThe sp_executesql batches are not being recovered from the procedure cache.BA database administrator executed UPDATE STATISTICS statements on all tables, and the most common stored procedures reference all the tables.COne new stored procedure is created by a database administrator.DAd hoc batches are not being recovered from the procedure cache.

单选题You are a professional level SQL Server 2005 database administrator in an international corporation named Wiikigo. You are experienced in implementing high-availability solutions, monitoring the database server, and design deployment. In the company, you major job is the deployment, maintenance and support of Microsoft SQL Server 2005.You work as a database administrator for your company. A SQL Server 2005 database is utilized in your company. And a table named Inventory is contained by the database. A column named Price is included by the table. According to the company policy, you cannot reduce more than 10 percent the value in the Price column in any single database operation. Through many kinds of method, the company makes updates to the Price column. For instance, the utilization of ad hoc queries is one of the methods. Since you are the database administrator, you should confirm that this company policy takes its effect. Which action should be performed?()AA stored procedure should be created, and changes are disallowed by the procedure to the Price column that violates company policy.BOn the Price column, a check constraint should be created, and a specified minimum value is required by the check constraint.CA trigger should be created, and changes are rolled back by the trigger to the Price column that violates company policy.DOn the Price column, a foreign key constraint is created to a table that valid prices are included.

单选题You work in a company which is named Wiikigo Corp. The company uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. According to the company requirement, the names of all user-defined stored procedures must contain the prefix usp_ on all instances. Besides this, you must make sure that stored procedures that do not contain this prefix cannot be created by you. What should you do?()AA policy should be created. The policy targets the name of the stored procedure that is evaluated on demand. BA policy should be created. The policy targets the name of the stored procedure that is evaluated on change. CA condition should be created. The condition targets the name of the stored procedure that is evaluated on change DA condition should be created. The condition targets the name of stored procedure that is evaluated on demand.

单选题You work as the Exchange administrator at Company.com.The Company.com network contains an Exchange Server 2010 Organization.The organization contains the subsequent servers: the Company.com organization contains one mailbox database as well as one public folder database.You receive an instruction from the cio to ensure that in the event of -ex03 failure the public folders will remain available.What should you do?()AYou should consider creating a database availability group (DAG). Thereafter -ex03 and mbx2 should be added to the dag.BYou should consider creating a public folder database on -ex04.Thereafter the replication settings should be changed on every public folder.CYou should consider creating a public folder database on -ex04.Thereafter the replication settings should be changed on the public folder database.DYou should consider creating a Failover Cluster.Thereafter -ex03 and -ex04 should be added to the failover cluster.