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Category: 000-612

Exam 000-612: DB2 10 DBA for z/OS

Which of the following will materialize all of the changes with the least amount of work?

The following DDL statements are executed to create the following objects: CREATE
TABLESPACE TS1 BUFFERPOOL BP0 IN DB1; CREATE TABLE USER1.TB1 ( COL1
INTEGER, COL2 VARCHAR(10) ) IN DB1.TS1; CREATE INDEX USER1.IX1 ON USER1.TB1 (
COL2 ) BUFFERPOOL BP0 COPY YES; Next, the following ALTER statements are done (in
order): 1) ALTER TABLESPACE DB1.TS1 BUFFERPOOL BP8K0 MAXPARTITIONS 20; 2)
ALTER TABLESPACE DB1.TS1 SEGSIZE 64; 3) ALTER INDEX USER1.IX1 BUFFERPOOL
BP16K0; Which of the following will materialize all of the changes with the least amount of work?

which option should be taken?

A unique index (IX1) currently exists on COL1, COL2 and COL3 of the table. There is a request to
be able to have an index on these three columns and COL4 to achieve the optimal access path.
The addition of COL4 will not support the uniqueness requirement of the index. In order to add this
column to the index while still preserving the unique constraint of the first three columns, which
option should be taken?


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