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IBM C2090-312 IBM DB2 11 DBA for z/OS Exam Practice Test

Demo: 10 questions
Total 67 questions

IBM DB2 11 DBA for z/OS Questions and Answers

Question 1

Which SQL statement can be used to create a data type that will represent possible speed limit values, with valid values not greater than 99, and to create a table that contains route numbers and the maximum speed limit for each route?

Options:

A.

CREATE TYPE SPEEDJJMIT AS SMALLINT; CREATE TABLE STATE_HIGHWAYS (ROUTE_NO SMALLINT, MAX_SPEED SPEEDJJMIT);

B.

CREATE TYPE SPEEDJJMIT AS DECIMAL(2.0); CREATE TABLE STATEJHIGHWAYS (ROUTE_NO SMALLINT. MAX_SPEED SPEEDJJMIT);

C.

CREATE TYPE SPEEDJJMIT AS DECIMAL(2.0); CREATE TABLE STATEJHIGHWAYS (ROUTE_NO SMALLINT. SPEED_LIMIT);

D.

CREATE TYPE SPEEDJJMIT USING DECIMAL(2.0); CREATE TABLE STATE_HIGHWAYS (ROUTE_NO SMALLINT. MAX_SPEED SPEED_LIMIT);

Question 2

Which is NOT a valid value for the KEYWORDS column in the DSN_PROFILES_ATTRIBUTES table?

Options:

A.

MONITOR THREAD

B.

MONITOR IDLE THREADS

C.

MONITOR CONNECTIONS

D.

MONITOR ACTIVE THREADS

Question 3

Which group of DB2 ACCOUNTING trace CLASSES must be started to collect accounting information for PLANS and PACKAGES?

Options:

A.

CLASS(2, 7,8)

B.

CLASS(1, 2,3)

C.

CLASS(1, 5,10)

D.

CLASS(1, 2, 3,7,8)

Question 4

As part of a health check, it is determined that the statistics feedback should be externalized more frequently. Optimizer statistics recommendations can be immediately externalized to the DB2 catalog by performing what action?

Options:

A.

Issue the ACCESS command with appropriate keywords.

B.

Issue the ARCHIVE command with the appropriate keywords.

C.

Issue the STOP command for the appropriate set of statistics.

D.

Issue the ALTER command with the appropriate memory location.

Question 5

DB2 will not allow certain processing to occur when the soft limit of RBA TFF800000000'x is reached and an object's RBA remains in basic 6-byte format.

What processing is NEVER allowed?

Options:

A.

Changes to the BSDS.

B.

RECOVER to CURRENT.

C.

REORG with RBALRSN_CONVERSION EXTENDED.

D.

SQL update activities (INSERT. UPDATE, DELETE, MERGE).

Question 6

Which statement is true if a table space is created using the "FOR UPDATE nn" (where nn is a number) clause?

Options:

A.

The first nn UPDATE operation(s) will use an indirect reference.

B.

Only the first nn UPDATE operation(s) on the table will be processed.

C.

nn% space is reserved per page for future UPDATE operations to reduce indirect reference.

D.

nn row locations per page are kept for future UPDATE operations to reduce indirect reference.

Question 7

Which statement regarding triggers is true?

Options:

A.

A trigger can use global variables and change their contents.

B.

A trigger can use global variables but cannot change their contents.

C.

A trigger cannot use global variables but can change their contents.

D.

A trigger cannot use global variables and cannot change their contents.

Question 8

Consider a logical data model that includes an Employees entity and a Projects entity. In this model, employees work on many projects and projects are worked on by many employees.

The Employees and Projects entity is considered what kind of relationship?

Options:

A.

A one-to-one relationship.

B.

A one-to-many relationship.

C.

A many-to-one relationship.

D.

A many-to-many relationship.

Question 9

Which statement is true?

Options:

A.

Unicode and EBCDIC have a different collating sequence.

B.

The collating sequence for ASCII and EBCDIC is identical.

C.

The collating sequence for Unicode and EBCDIC is identical.

D.

If you use BETWEEN in your SQL statement, the collating sequence does not matter for the predicate evaluation.

Question 10

Which address space should be classified with the highest priority WLM service class?

Options:

A.

DIST

B.

IRLM

C.

DBM1

D.

MSTR

Demo: 10 questions
Total 67 questions