单项选择题

Which of the following DB2 products are required on an iSeries or System i server to enable an application running on that server to retrieve data from a DB2 database on a Linux server?（）

A.DB2 for i5/OS
B.DB2 Runtime Client
C.DB2 Connect Enterprise Edition
D.DB2 for i5/OS SQL Development Kit

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单项选择题

Which of the following DB2 tools allows a user to execute an SQL statement and view a graphical representation of the access plan?（）

A.Task Center
B.Command Editor
C.Developer Workbench
D.Command Line Processor

单项选择题

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?（）

A.Applications A and B will cause a deadlock situation
B.Application B will read the previous version of the row
C.Application B will read the row and see uncommitted changes made by application A
D.Application B will be placed in a lock-wait state until application A releases its lock

单项选择题

How does DB2 protect the integrity of indexes when data is updated?（）

A.Locks are acquired on the data.
B.Locks are acquired on index keys.
C.Locks are acquired on index pages.
D.Locks are acquired on index pointers.