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Q81. Given the following tables:
YEAR_2006
EMPID NAME
1 Jagger, Mick
2 Richards, Keith
3 Wood, Ronnie
4 Watts, Charlie
5 Jones, Darryl 6 Leavell, Chuck YEAR_1962 EMPID NAME
1 Jagger, Mick 2 Richards, Keith 3 Jones, Brian 4 Wyman, Bill 5 Watts, Charlie 6 Stewart, Ian
If the following SQL statement is executed, how many rows will be returned?
SELECT name FROM year_2007 UNION ALL SELECT name FROM year_1962
A. 6
B. 9
C. 10
D. 12
Answer: D
Explanation:
Q82. Which type of key is defined on the child table to implement a referential constraint?
A. Unique key
B. Primary key
C. Foreign key
D. Composite key
Answer: B
Explanation:
Q83. Given the following ALTER SEQUENCE statement:
ALTER SEQUENCE myseq RESTART WITH 0 INCREMENT BY 1 NO MAXVALUE CACHE 5 ORDER
Assuming that the sequence had reached a value of 100 prior to the RESTART, which of the following is true?
A. The next value will be 0 and the sequence will never use the values 101 to 105.
B. The next value will be 101 to ensure uniqueness between existing and newly generated sequence values.
C. Previously cached values are retained by DB2, and after the restart, will be used for values 101 to 105.
D. The next value will be 0 and DB2 will not ensure uniqueness between existing and newly generated values.
Answer: D
Explanation:
Q84. If DB2 detects a deadlock between application A and application B (each waiting for a lock held by the other one), what action will DB2 take?
A. Rollback the transaction in both applications.
B. Rollback the transaction in one of the two applications.
C. Decrease the lock timeout value for both applications, thereby causing a lock timeout situation.
D. Send a message to let the administrator know of the situation and decide which application or applications should be terminated.
Answer: B
Explanation:
Q85. Which of the following can be used to ensure that once a row has been inserted in table TABLEX, the column MAINID in that row cannot be updated?
A. Define the column MAINID as NOT UPDATABLE.
B. Define the column MAINID as a PRIMARY KEY.
C. Define the column MAINID as a FOREIGN KEY.
D. Define an UPDATE trigger on table TABLEX.
Answer: D
Explanation:
Q86. A client application on z/OS must access a DB2 database on a Solaris Server. At a minimum, which of the following products must be installed on the Solaris workstation?
A. DB2 Connect Enterprise Edition
B. DB2 Workgroup Server Edition
C. DB2 Workgroup Server Edition and DB2 Connect Enterprise Edition
D. DB2 Enterprise Server Edition and DB2 Connect Enterprise Edition
Answer: D
Explanation:
4. Which of the following is the lowest cost DB2 product that can be legally installed on an HP-UX server?
A. DB2 Express-C
B. DB2 Express
C. DB2 Personal Edition
D. DB2 Enterprise Server Edition
Answer: D
Explanation:
Q87. How should the following UDF be invoked in order to convert US currency values stored in the EXPENSES table into Canadian currency?
CREATE FUNCTION getratews11 ( country1 VARCHAR(100), country2 VARCHAR(100) ) RETURNS DOUBLE LANGUAGE SQL CONTAINS SQL EXTERNAL ACTION NOT DETERMINISTIC BEGIN ... END
A. CALL getratews11('USA','CANADA')
B. CALL expenses.getratews11('USA','CANADA')
C. SELECT getratews11('USA','CANADA') FROM expenses
D. SELECT * FROM TABLE(getratews11('USA','CANADA')) AS convert_currency
Answer: C
Explanation:
Q88. If the following SQL statements are executed in the order shown:
CREATE TABLE orders
(order_num INTEGER NOT NULL,
buyer_name VARCHAR(35), amount NUMERIC(5,2));
CREATE UNIQUE INDEX idx_orderno ON orders (order_num);
Which of the following describes the resulting behavior?
A. Every ORDER_NUM value entered must be unique; whenever the ORDERS table is queried rows should be displayed in order of increasing ORDER_NUM values
B. Every ORDER_NUM value entered must be unique; whenever the ORDERS table is queried rows will be displayed in no particular order
C. Duplicate ORDER_NUM values are allowed; no other index can be created for the ORDERS table that reference the ORDER_NUM column
D. Every ORDER_NUM value entered must be unique; no other index can be created for the ORDERS table that reference the ORDER_NUM column
Answer: A
Explanation:
Q89. Given the following data:
TAB1
C1 C2
200 abc 250 abc 150 def 300 ghi 175 def
If the following query is executed:
WITH subset (col1, col2) AS (SELECT c1, c2 FROM tab1 WHERE c1 > 150)
SELECT col2, SUM(col1) AS col1_sum FROM subset GROUP BY col2 ORDER BY col2 Which of the following result data sets will be produced?
A. COL2 COL1_SUM
abc 200 abc 250 def 175 ghi 300 4 record(s) selected.
B. COL2 COL1_SUM
abc 450 def 175 ghi 300 3 record(s) selected.
C. COL2 COL1_SUM
abc 450 def 325 ghi 300 3 record(s) selected.
D. COL2 COL1_SUM
abc 450 abc 450 def 175 def 175 ghi 300 5 record(s) selected.
Answer: B
Explanation:
Q90. A user wishing to invoke an SQL stored procedure that queries a table must have which of the following privileges?
A. CALL privilege on the procedure; SELECT privilege on the table
B. CALL privilege on the procedure; REFERENCES privilege on the table
C. EXECUTE privilege on the procedure; SELECT privilege on the table
D. EXECUTE privilege on the procedure; REFERENCES privilege on the table
Answer: C
Explanation: