Applications A and B will cause a deadlock situation
Application B will read the previous version of the row
Application B will read the row and see uncommitted changes made by application A
Application B will be placed in a lock-wait state until application A releases its lock
第1题:
下面哪个对象必须要有lock和unlock方法以确保多个用户无法同时改变某一同性______。
A.Response
B.Session
C.Request
D.Application
第2题:
A cluster administrator decides ti implement application monitoring in order to monitor both a web application and its supporting database. The plan is to use a single resource group prod_rg and to configure one monitor method for the web app and one monitor method for the database. Which of the following statements best describes the need for custom resource monitor?()
第3题:
You work as an application developer at Certkiller .com. Certkiller .com uses an application that calculates monthly payments based upon client input.You are currently debugging this application using the Microsoft Visual Studio 2005 IDE.The application contains the following code:public double CalculateMonthlyPayment (Single rate, double principal) {//Implementation code}You have discovered that unexpected results are being returned by the application. You would like to pause execution and display a message box containing an error message in the event of a negative or zero rate value is Passed to the CalculateMonthlyPayment method.You need to ensure that this only occurs during debugging mode.What should you do?()
A.
B.
C.
D.
第4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?()
第5题:
A server needs to have memory added to support a new application. It currently is using PC4200 in a single channel configuration. Which of the following would be the correct memory upgrade?()
第6题:
写出下列Application对象的集合属性和方法所表示的含义 1.Application_onEnd 2.Application_onStart 3.Lock 4.unLock
1.Application_onEnd应用程序对象结束事件
2.Application_onStart应用程序对象开始事件
3.Lock加锁方法
4.unLock解锁方法
略
第7题:
A SAN attached production file server is required to be backed up nightly according to company policy.Recently the data to be backed up has increased to approximately 4TB. Currently, the server has a single attached LTO2 tape drive. Which of the following should the server administrator do to provide enough backup capacity for the nightly job? ()
第8题:
A.enable one-time definition of objects
B.are referenced by several Oracle Application modules
C.are defined in each Oracle Application module separately
D.are owned by a single Oracle Application module for table purposes only
E.are owned by a single Oracle Application module to designate the primary user or decision maker
第9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?()
第10题:
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?()