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IBM DB2 9.7 Database Administrator for Linux UNIX or Windows Upgrade Sample Questions:
1. Index INDEX1 has been created as follows: CREATE INDEX index1 ON table_x (cola) Which of the following actions can be done through an ALTER INDEX statement?
A) Make this index the clustering index.
B) Make the COMPRESS attribute YES or NO.
C) Change the PCTFREE specification.
D) Add a column to the index key.
2. If table TAB_A is created as follows:
Assuming the cardinality of the columns is the same, which statement will create an index that will benefit the most from compression?
A) CREATE INDEX taba_idx ON tab_a (c4)
B) ALTER TABLE tab_a ADD PRIMARY KEY (c1)
C) CREATE INDEX taba_idx ON tab_a (c2)
D) CREATE UNIQUE INDEX taba_idx ON tab_a (c2)
3. Which DB2 authority is required to manage workload objects for a database?
A) DBADM
B) SECMAINT
C) WLMADM
D) WLMMAINT
4. If table TAB_A has just been created as follows:
Which command will create a compression dictionary for table TAB_A?
A) DELETE FROM tab_a
B) UPDATE tab_a SET c1 = c1*1.1
C) REORG TABLE tab_a
D) LOAD FROM data.del OF DEL INSERT INTO tab_a
5. Table TAB_A and index TABA_IDX were created by executing these SQL statements:
If this SQL statement is executed after 100,000 records have been inserted into table TAB_A:
ALTER INDEX taba_idx COMPRESS NO;
Which statement correctly describes what will happen to index TABA_IDX?
A) The index will remain compressed until the COMPRESS attribute for table TAB_A has been set to NO and both the table and the index have been REORGed.
B) The index will remain compressed until it is REORGed.
C) The index will remain compressed until the COMPRESS attribute for table TAB_A has been set to NO.
D) The index will be uncompressed immediately.
Solutions:
Question # 1 Answer: B | Question # 2 Answer: C | Question # 3 Answer: C | Question # 4 Answer: D | Question # 5 Answer: B |