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Q21. Index versions are created when certain schema changes are committed. Which schema change results in a new index version being created?
A. Issue the ALTER INDEX REGENERATE statement.
B. Use the ALTER INDEX statement to add a column to an index that was built with DEFINE NO.
C. Add a new column to both a table and an index in the same commit operation when the table is in a partition-by-growth table space and the index is built with DEFINE YES.
D. When you extend the length of a varying-length character (VARCHAR data type) or varying-length graphic (VARGRAPHIC data type) column that is contained in one or more indexes that are defined with the NOT PADDED option.
Answer: B
Q22. When would DB2 NOT use list prefetch?
A. Fast log apply operations.
B. Reading leaf pages of a disorganized index.
C. RUNSTATS TABLESPACE without table sampling.
D. Incremental image copies of a table space defined with TRACKMOD YES.
Answer: B
Q23. What is the least disruptive way of externalizing real-time statistics for table space DB1TS1?
A. -SET LOG LOGLOAD(O)
B. -DISPLAY DB(DB1)SPACENAM(TS1)
C. RUNSTATS TABLESPACE DB1TS1
D. -ACCESS DB(DB1) SPACENAM(TSI) MODE(STATS)
Answer: C
Q24. 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?
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);
Answer: B
Q25. Which statement is true?
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.
Answer: A
Reference:http://www-01.ibm.com/support/knowledgecenter/SS4LQ8_3.1.0/com.ibm.datatools.aqt3.doc/gui/concepts/c_i daa_inconsistencies.html(first bulleted point on the page)
Q26. Which statement regarding triggers is true?
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.
Answer: B
Q27. Which DB2 subsystem parameter limits the number of concurrent active TSO requests?
A. IDBACK
B. IDFORE
C. MAXDBAT
D. CONDBAT
Answer: B
Q28. You want to create a table space without actually creating the underlying data sets until rows are inserted into the corresponding table.
Which CREATE TABLESPACE statement option and value should you use?
A. PRIQTYO
B. PRIQTY-1
C. DEFINE NO
D. DEFER YES
Answer: C
Q29. You have defined the array type PHONENUMBERS using the following DDL:
CREATE TYPE PHONENUMBERS AS DECIMAL(10,0) ARRAY[50];
You also defined a variable named RECENT_CALLS based on this new array type as follows: CREATE VARIABLERECENT_CALLS PHONENUMBERS:
Which SQL statement would you use to set the variable LIST_SIZE to the maximum array size allowed for the variable RECENT_CALLS?
A. SET LIST_SIZE = MAX(RECENT_CALLS)
B. SET LIST_SIZE = ARRAY_MAX(RECENT_CALLS)
C. SET LIST_SIZE = ARRAY_LAST(RECENT_CALLS)
D. SET LIST_SIZE = MAX_CARDINALITY(RECENT_CALLS)
Answer: B
Q30. Which type of stored procedures do NOT require a WLM-managed stored procedure address space?
A. External stored procedures.
B. Native SQL stored procedure.
C. External SQL stored procedures.
D. DB2 supplied stored procedures.
Answer: B