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IBM DB2 9.7 Advanced DBA for LUW Sample Questions:

1. Table TAB1 was created using the following statement:
CREATE TABLE tab1 (c1 INT, c2 INT, c3 INT, c4 INT, c5 INT);
If column C1 is unique and queries typically access columns C1, C2 and C3 together, which statement(s) will create index(es) that will provide optimal query performance?

A) CREATE UNIQUE INDEX xtab1 ON tab1 (c1) INCLUDE (c2, c3);
B) CREATE UNIQUE INDEX xtab1 ON tab1 (c1); CREATE INDEX xtab2 ON tab1 (c2) INCLUDE (c3);
C) CREATE UNIQUE INDEX xtab1 ON tab1 (c2) INCLUDE (c1, c3);
D) CREATE UNIQUE INDEX xtab1 ON tab1 (c3, c2, c1);

2. Which database manager configuration parameter is used to set an instance-wide soft limit on the total amount of memory that can be consumed by private sorts, within that instance, at any given time?

A) SHEAPTHRES
B) SORTHEAP_SHR
C) SORTHEAP
D) SHEAPTHRES_SHR

3. If your DB2 server is not responding (hung), and you cannot run DB2 commands from the Command Line Processor, which utility can be used to list the applications currently connected to the database MYDB?

A) db2dart
B) db2pd
C) db2acsutil
D) db2apptrk

4. Given a database created as follows:

If each table (T1 and T2) has 50,000 rows, which of the following commands will ensure that the temporary table created by the select statement will fit entirely in the buffer pool, assuming that there is a primary key/foreign key relationship between column C1 in table T1, and column C1 in table T2?

A) CREATE BUFFERPOOL bp1 SIZE 20000 PAGESIZE 4k; ALTER TABLESPACE tempspace1 BUFFERPOOL bp1;
B) CREATE BUFFERPOOL bp1 size 5000 PAGESIZE 16k; ALTER TABLESPACE tempspace1 BUFFERPOOL bp1;
C) CREATE BUFFERPOOL bp1 size 10000 PAGESIZE 8k;
D) CREATE BUFFERPOOL bp1 size 25000 PAGESIZE 32k;

5. Which tool or command will display only the automatic storage paths in an existing backup image?

A) db2dart
B) INSPECT
C) db2pd
D) db2ckbkp

Solutions: