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IBM DB2 9.7 DBA for Linux UNIX and Windows Sample Questions:

1. A file named db2advise.in contains the following text:
-#SET FREQUENCY 100
SELECT COUNTO FROM employee;
SELECT AVG(bonus), AVG(salary) FROM employee
GROUP BY workdept ORDER BY workdept;
Which command will cause the Design Advisor to make recommendations for a database named
SAMPLE, using the information found in this file?

A) db2advis -d sample -f db2advise.in
B) db2advis -d sample -g
C) db2advis -d sample -f
D) db2advis -d sample -i db2advise.in

2. For which two events is it recommended to execute RUNSTATS? (Choose two.)

A) When row compression has been enabled.
B) When LOAD with STATISTICS has been run.
C) When a table is created.
D) When a table is altered by adding new columns.

3. Given the following CREATE TABLE statement:
CREATE TABLE applicant (id INTEGER NOT NULL PRIMARY KEY, lastname VARCHAR(50));
Which SQL statement will execute successfully?

A) ALTER TABLE applicant ADD COLUMN resumeXML(1000) WITH DEFAULT
B) ALTER TABLE applicant ADD COLUMN resume XML CHECK (resume IS VALIDATED)
C) ALTER TABLE applicant ADD COLUMN resumeXML(1000) CHECK (resume IS VALIDATED)
D) ALTER TABLE applicant ADD COLUMNresume XML WITH DEFAULT

4. Which statement is correct about informational constraints?

A) The database manager uses an informational constraint to enforce the uniqueness of the key during changes to the columns of the unique constraint.
B) An informational constraint is a column or combination of columns that has the same properties as a unique constraint.
C) An informational constraint can be used by the SQL compiler to improve the access to data and query performance.
D) An informational constraint specifies that every row that is inserted or updated in the table must conform to the definition of the table.

5. How does the DB2 Server identify the list of GSS-API plug-ins it supports?

A) by using the SRVSUPP_GSSPLUGIN_LIST registry variable
B) by using the SRVCON_GSSPLUGIN_LIST registry variable
C) by using the SRVSUPP_GSSPLUGIN_LIST database manager configuration parameter
D) by using the SRVCON_GSSPLUGIN_LIST database manager configuration parameter

Solutions: