Application A holds an Update lock on a single row and application B is trying to read that row. If both applications are using isolation level UR, which of the following will occur?()A、Application B will read the row.B、Applications A and B will cause a deadlock situation.C、Application B will wait until application A releases the Update lock.D、Application A will be terminated so that application B can read the row.

Application A holds an Update lock on a single row and application B is trying to read that row. If both applications are using isolation level UR, which of the following will occur?()

  • A、Application B will read the row.
  • B、Applications A and B will cause a deadlock situation.
  • C、Application B will wait until application A releases the Update lock.
  • D、Application A will be terminated so that application B can read the row.

相关考题:

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Your company uses Windows Update to download and install security updates on client computers. When Microsoft releases a security update, you have the following requirements:   Establish which client computers require the security update.   Identify what changes will occur as a result of the security update.  Identify which applications might be affected by the security update.    You need to select the appropriate tool to detect application-compatibility issues.   What should you do?()A、Use the Inventory Collector.B、Use the Setup Analysis Tool.C、Use the Update Compatibility Evaluator.D、Use the Windows Compatibility Evaluator.

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单选题You are planning to deploy Windows 7.   You have a custom line-of-business application that is not compatible with Windows 7.   You need to design a solution that allows the application to run.   What should you do?()AUse the Setup Analysis Tool.BUse the Compatibility Administrator.CUse the Update Compatibility Evaluator.DUse the Windows Compatibility Evaluator.

单选题Application A currently holds an exclusive lock on a single row and application B tries to access that row. If lock timeout is set to -1 and both applications are using isolation level RS, which of the following will occur?()AApplications A and B will cause a deadlock situationBApplication B will read the previous version of the rowCApplication B will read the row and see uncommitted changes made by application ADApplication B will be placed in a lock-wait state until application A releases its lock

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单选题The client computers in your network run either Windows XP or Windows 7.   All client computers are in a single Active Directory Domain Services (AD DS) organizational unit (OU) named MyClients.  You install Windows Software Update Services (WSUS).   You create a Group Policy object (GPO) that enables automatic updates from the WSUS server, and you link the GPO to the MyClients OU.   You place all client computers in a targeting group named MyClients.   Testing reveals that a security update that is applicable to both Windows XP and Windows 7 causes a line-of-business application to fail on the Windows XP client computers.    You need to ensure that the application runs on the Windows XP client computers and that the Windows 7 client computers receive the security update.   What should you do? ()A Remove the Windows 7 client computers from the MyClients targeting group. Approve the update for installation to the All Computers targeting group.B Remove the Windows XP client computers from the MyClients targeting group. Approve the update for installation to the All Computers targeting group.C Remove the Windows 7 client computers from the MyClients targeting group. Approve the update for installation to the Unassigned Computers targeting group.D Create a targeting group named MyXPClients beneath the MyClients targeting group.  Move the Windows XP client computers to the MyXpClients targeting group.  Approve the update for installation to the MyClients targeting group.

单选题After you install a new update, an application on the computer fails to run. You need to remove the update.  What should you do?()AUse the Software Explorer window.BUse the Add or Remove Programs window.CRestore hidden updates.DUse the Installed updates list on the Windows Update window.

单选题You are the network administrator for your company. The network consists of a single Active Directory domain. All servers run Windows Server 2003. All client computers run Windows XP Professional. A new low-priority update, Q318138, is released and is synchronized with the Windows Server Update Services (WSUS) server on the network. You decide to approve the update without testing.  After the update is applied to client computers, users report that they can no longer run an accounting application.You need to remove the update from all client computers until you can test the update.  What should you do?()AClear the Automatically approve new versions of previously approved updates option on the WSUS server. Resynchronize the server with the Windows Update server.BClear the update for approval on the WSUS server. Resynchronize the server with the Windows Update servers.CClear the update for approval on the WSUS server. Run the spuninst command from the Systemroot/$NtUninstallQ318138$/spuninst directory on each client computer.DClear the Automatically approve new versions of previously approved updates option on the WSUS server. Delete the Systemroot/$NtUninstallQ318138$ directory on each client computer.

单选题You have a computer that runs Windows 7. You configure the computer to automatically install all updates.You need to verify whether a specific update is installed.  What should you do?()AIn Event Viewer, examine the Application log.BIn Windows Update, examine the update history.CAt the command prompt, run Wusa.exe and specify the /kb parameter.DAt the command prompt, run Verifier.exe and specify the /query parameter.

单选题Application A is designed to execute the following SQL statements within a single Unit of Work (UOW). UPDATE employee SET salary = salary * 1.1 WHERE empno='000010' UPDATE department SET deptname = 'NEW dept' WHERE deptno='A00'Application B is designed to execute the following SQL statements within a single Unit of Work (UOW). UPDATE department SET deptname = 'OLD DEPT' WHERE deptno='A00' UPDATE employee SET salary = salary * 0.5 WHERE empno='000010' Application A and application B execute their first SQL statement at the same time. When application A and application B try to execute their second SQL statement, a deadlock occurs. What will happen?()AThe database manager will rollback the transaction in both applications.BThe database manager will rollback the transaction in one of the two applications.CApplication B will successfully update the EMPLOYEE and DEPARTMENT tables; Application A will be placed in a lock wait state.DApplication A will successfully update the EMPLOYEE and DEPARTMENT tables; Application B will terminate when the lock timeout value is reached.

单选题Which of the following products and utilities can be used to update all encrypted data as well as the merchant key in a WebSphere Commerce database for a given instance?()AThe Database Update Tool found in Configuration ManagerBThe LDAP ServerCThe WebSphere Application Server Administrative ConsoleDThe WebSphere Commerce SecurityUpdate CommandEThe WebSphere Commerce Administration Console

多选题Which of the following are methods to automatically update the antivirus application?() (Select TWO).AEstablish rules in the email scheduling program to perform updates.BSelect Update Now from the program options.CUse the Automatic Update feature built into the application.DUse scripts.EUse Windows Update.