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IBM Assessment: DB2 9.7 Advanced DBA for LUW Sample Questions:

1. Given INTRA_PARALLEL is OFF, average row length is 900 bytes, and temporary table cardinality is 1000, which setting would prevent a SORTHEAP overflow when the temporary table is sorted?

A) SORTHEAPTHRES 10000K
B) SORTHEAP AUTOMATIC, SHEAPTHRES 10000K
C) SORTHEAP AUTOMATIC, SHEAPTHRES 0
D) SORTHEAPTHRES 10000K, SORTHEAP 250K

2. Your UNIX system administrator has indicated that there appears to be a lot of I/O wait time associated with your database, which is stored in a 7+p RAID array. An investigation reveals the following information: DB2_PARALLEL_IO=*
Tablespace with ID 7 has a single container and is dedicated to the largest table. It has a page size of 16K, an extent size of 32, and a prefetch size of 64.
Which setting would optimize I/O for the largest table?

A) DB2_PARALLEL_IO=7:7
B) DB2_PARALLEL_IO=7:32
C) DB2_PARALLEL_IO=7:16
D) DB2_PARALLEL_IO=7:64

3. Given the following table definition in a multi-partitioned database:

Which column(s) will be chosen by DB2 as a distribution key (partitioning key)?

A) SS_ID, EMP_ID, and NAME
B) SS_ID
C) EMP_ID
D) NAME

4. Which type of table queue is used to pass data between database partitions when rows are being fetched?

A) non-merging table queue
B) listener table queue
C) asynchronous table queue
D) synchronous table queue

5. A partitioned instance named DB2INST1 uses the following db2nodes.cfg file:
If the CREATE DATABASE command is executed on server C, which partition will be the catalog partition?

A) 1
B) 6
C) 0
D) 4

Solutions: