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IBM C2090-544 Exam Syllabus Topics:

IBM DB2 9.7 Advanced DBA for LUW Sample Questions:

Question 1

Which option of the ALTER TABLE statement tells the DB2 optimizer to use an index scan on a table that might vary in size at run time from being empty to containing a large number of rows?

A. INDEXSCAN
B. CURRENT CARDINALITY
C. CARDINALITY VOLATILE
D. VOLATILE

Question 2

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. EMP_ID
B. SS_ID, EMP_ID, and NAME
C. SS_ID
D. NAME

Question 3

What would indicate intra-partition parallelism in an Optimizer Plan?

A. BTQ
B. IP
C. LTQ
D. DTQ

Question 4

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

Question 5

Which of the following techniques will ensure that you CANNOT encounter two active primary servers in an HADR pair?

A. Use a virtual IP Address in the CATALOG DATABASE command.
B. Catalog both servers separately and use a fixed IP address for both servers.
C. Use a virtual IP Address for both servers.
D. Set ALTERNATER SERVER to fixed IP Addresses on both servers.

Solutions: