Heap table
Object table
External table
Clustered table
Global temporary table
Index-organized table (IOT)
第1题:
If DB2 detects a deadlock between application A and application B (each waiting for a lock held by the other one), what action will DB2 take?()
第2题:
In one of your online transaction processing (OLTP) applications, most users frequently modify the values, including the key values, of the application tables. Some users generate application reports by using multiple application tables. What is the best table structure that you can use to gain optimal performance?()
第3题:
Your database supports an online transaction processing (OLTP) application.The application is undergoing some major schema changes, such as addition of new indexes and materialized views.You want to check the impact of these changes on workload performance.What should you use to achieve this?()
A. Database replay
B. SQL Tuning Advisor
C. SQL Access Advisor
D. SQL Performance Analyzer
E. Automatic Workload Repository compare reports
第4题:
You want to enable users of a Web application to modify the Web application's UI and behavior. These modifications must be maintained at the user level so that when users return to the Web application, the changes are still in effect. You need to achieve this goal by using the minimum amount of custom code. What should you do?()
第5题:
In one of your online transaction processing (OLTP) applications, users are manipulating and querying a database table simultaneously. From the Segment Advisor, you find that one of the tables is highly fragmented and you want to shrink the table immediately without affecting the currently active queries. Which option would you use with the ALTER TABLE command to achieve this objective?()
第6题:
In one of your online transaction processing (OLTP) applications, most users frequently modify the values, including the key values, of the application tables. Some users generate application reports by using multiple application tables. What is the best table structure that you can use to gain optimal performance?()
第7题:
Your database supports an online transaction processing (OLTP) application. The application is undergoing some major schema changes, such as addition of new indexes and materialized views. You want to check the impact of these changes on workload performance. What should you use to achieve this?()
第8题:
You are the administrator of a database that contains 64 lookup tables. These tables store static data that should not change. However, users report that some of this data is being changed. You need to prevent users from modifying the data.
You want to minimize changes to your security model and to your database applications. How should you modify the database?
A.Create a filegroup named LOOKUP. Move the lookup tables to this filegroup. Select the read only check box for the filegroup.
B.Create a database role named datamodifier. Grant SELECT permissions to the datamodifier role. Add all users to the role.
C.Deny INSERT, UPDATE, and DELETE permissions for all users. Create stored procedures that modify data in all tables except lookup tables. Require users to modify data through these stored procedures.
D.Create a view of the lookup tables. Use the view to allow users access to the lookup tables.
第9题:
In your datawarehousing application, you generate reports frequently. The data is static in the tables being used to generate reports. You are currently using joins, resulting in a large performance overhead. What kind of database structure would you use to reduce the response time of the query?()
第10题:
You develop a Web application. Your application contains two settings in the Web.config file. You deploy your application to production. You need to modify the application settings in the production environment without manually editing the XML markup in the Web.config file. What should you do? ()