Exam Code: C2090-614
Exam Name: DB2 10.1 Advanced DBA for Linux UNIX and Windows
Updated: Mar 20, 2024
Q&As: 108
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The following message is frequently seen in the DB2 Diagnostics Log file (db2diag.log):
MESSAGE:
ADM5502W
The escalation of "28581" locks on table "TEST.TABLE1" to lock intent "X" was successful. Which two database configuration parameter settings should be checked? (Choose two.)
A. LOCKLIST
B. MAXAPPLS
C. MAXLOCKS
D. MAXAGENTS
E. LOCKTIMEOUT
A database administrator created all of the necessary federated objects for an SQL Server data source in a federated system. Which steps must be performed if the data types of several columns in the SQL Server data source are changed?
A. Drop the current data type mapping.
Create the new data type mapping.
B. Drop the nickname to the table. Create the new data type mapping. Recreate the nickname to the table.
C. Drop the current data type mapping. Create the new data type mapping. Drop the nickname to the table. Recreate the nickname to the table.
D. Drop the current user mapping. Drop the current data type mapping. Create the new user mapping. Create the new data type mapping. Recreate the nickname to the table.
A DBA wants to create a table named SALES that has the following characteristics:
Effective data clustering and management of space utilization. Rows in the table should be clustered based on when they are added to the table. Which clause must be used with the CREATE TABLE statement to define this table?
A. ORGANIZE BY DIMENSIONS
B. ORGANIZE BY INSERT TIME
C. ORGANIZE BY TIME PERIOD
D. ORGANIZE BY KEY SEQUENCE
If a large amount of sequential prefetching is occurring, what can be done to improve efficiency?
A. Set SEQDETECT to NO.
B. Set NUMBLOCKPAGES to 0 in all buffer pools.
C. Allocate a block-based area in the appropriate buffer pool.
D. Create indexes that encourage the optimizer to use index-only access.
Which is NOT a valid method for prefetching data?
A. Smart data prefetching
B. Read-ahead prefetching
C. Consecutive prefetching
D. Sequential detection prefetching
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