Which of the following is TRUE about indexes on column organized tables? A. No indexes are allowed B. Indexes are only allowed on numeric columns C. Indexes are automatically created to enforce unique constraints D. An index is only allowed on the synopsis table supporting a column organized table

Which of the following statements about triggers are TRUE? (Choose two.) A. There is a limit of 8 for the maximum number of cascading trigger activations B. Triggers can be activated as a result of changes due to referential constraint enforcement C. Multiple INSTEAD OF triggers are allowed for each kind of operation on a […]

Which edition of DB2 LUW has been discontinued in v11.1? A. DB2 Developer Edition B. DB2 Express Server Edition C. DB2 Enterprise Server Edition D. DB2 Connect Enterprise Server Edition Reference: https://www.ibm.com/support/knowledgecenter/en/SSEPGG_11.1.0/com.ibm.db2.luw.licensing.doc/doc/r0053238.html

Which of the following statements about stored procedures is TRUE? A. Stored procedures can be written in SQL PL, but not in the PL/SQL dialect B. The CREATE SOURCED PROCEDURE statement defines a procedure that is based on another procedure in a federated database C. There are three types of stored procedures which can be […]

Which of the following is TRUE about a COMMIT statement executed at the end of the T1 unit of work? A. A ROLLBACK command executed just after the COMMIT command cancels that COMMIT B. Save points defined during transaction T1 are released only if there is a RELEASE SAVEPOINT command executed after the COMMIT command […]

Which constraint can be used to ensure that identical values are never stored in a set of columns in a table? A. NOT NULL B. Foreign key C. Primary key D. Informational constraint Reference: https://www.ibm.com/developerworks/data/library/techarticle/dm-0401melnyk/index.html

A user executes the following statements: СREATE TABLE t1 (c1 INT, c2 INT); CREATE ALIAS a1 FOR t1; What will be the result if the user executes the following statement? DROP ALIAS a1; A. The alias A1 will be dropped B. The table T1 will be dropped C. Both T1 and A1 will be dropped […]

What happens when you run the following statement if MYUSER holds no privileges on table MYTABLE? REVOKE SELECT ON TABLE mytable FROM USER myuser A. An error is returned B. An entry is mane in SYSCAT.TABAUTH C. The REVOKE statement succeeds with no effect D. All privileges are granted to user MYUSER on MYTABLE

Which database object can be locked explicitly? A. Row B. View C. Index D. Table Reference: https://www.ibm.com/support/knowledgecenter/hr/SSEPGG_9.7.0/com.ibm.db2.luw.admin.perf.doc/doc/c0005270.html

Which three facilities are used to control authorization in DB2? A. privileges, db2ssh, LBAC credentials B. privileges, authority levels, certificates C. db2ssh, trusted contexts, authority levels D. privileges, authority levels, LBAC credentials Reference: https://www.ibm.com/support/knowledgecenter/zh/SSEPGG_9.5.0/com.ibm.db2.luw.admin.sec.doc/doc/c0006307.html