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Q31. Which of the following is a characteristic of a sequence?
A. A sequence will never generate duplicate values.
B. The MAXVALUE of a sequence can be equal to the MINVALUE.
C. It is not possible to create a sequence that generates a constant since the INCREMENT value must be greater than zero.
D. When a sequence cycles back to either the MAXVALUE or MINVALUE, it will always be equal to the specified value of either of these two boundaries.
Answer: B
Explanation:
Q32. What is the SQL Performance Monitor used for?
A. To examine the health of a DB2 Database Manager instance
B. To visually construct complex DML statements and examine the results of their execution
C. To schedule tasks, run tasks, and send notifications about completed tasks to other users
D. To analyze database operations performed against a DB2 for i5/OS database
Answer: D
Explanation:
Q33. Given the following table:
CURRENT_EMPLOYEES
EMPID INTEGER NOT NULL
NAME CHAR(20) SALARY DECIMAL(10,2) PAST_EMPLOYEES
EMPID INTEGER NOT NULL
NAME CHAR(20)
SALARY DECIMAL(10,2)
Assuming both tables contain data, which of the following statements will NOT successfully add data to table CURRENT_EMPLOYEES?
A. INSERT INTO current_employees (empid) VALUES (10)
B. INSERT INTO current_employees VALUES (10, ‘JAGGER’, 85000.00)
C. INSERT INTO current_employees SELECT empid, name, salary FROM past_employees WHERE empid = 20
D. INSERT INTO current_employees (name, salary) VALUES (SELECT name, salary FROM past_employees WHERE empid = 20)
Answer: D
Explanation:
Q34. Given the following table definitions:
TABLE1
ID INT
NAME CHAR(30) PERSON INT CITIES INT TABLE2
ID INT
LASTNAME CHAR(30)
Which of the following statements will remove all rows in table TABLE1 that have matching PERSONs in table TABLE2?
A. DELETE FROM table1 WHERE id IN (SELECT id FROM table2)
B. DELETE FROM table1 WHERE id IN (SELECT person FROM table2)
C. DELETE FROM table1 WHERE person IN (SELECT id FROM table2)
D. DELETE FROM table1 WHERE person IN (SELECT person FROM table2)
Answer: C
Explanation:
Q35. For which of the following is a data warehouse optimized?
A. Backup and recovery
B. Transactions
C. Security
D. Queries
Answer: D
Explanation:
Q36. If a view named V1 is created in such a way that it references every column in a table named EMPLOYEE except a column named SALARY, which of the following is NOT an accurate statement?
A. View V1 can be used in the same context as the EMPLOYEE table for all data retrieval operations that do not acquire SALARY information
B. View V1 can be used as a data source for other views
C. View V1 does not have to reside in the same schema as the EMPLOYEE table
D. All data, except SALARY data that is stored in the EMPLOYEE table is copied to the physical location associated with view V1
Answer: D
Explanation:
Q37. A stored procedure object is created into which DB2 object?
A. Alias
B. Schema
C. Package
D. Routine Space
Answer: B
Explanation:
Q38. On which of the following database objects may the SELECT privilege be controlled?
A. Sequence
B. Schema
C. Group
D. View
Answer: D
Explanation:
Q39. A stored procedure has been created with the following statement:
CREATE PROCEDURE proc1 (IN var1 VARCHAR(10), OUT rc INTEGER) SPECIFIC myproc LANGUAGE SQL …
What is the correct way to invoke this procedure from the command line processor (CLP)?
A. CALL proc1 ('SALES', ?)
B. CALL myproc ('SALES', ?)
C. CALL proc1 (SALES, ?)
D. RUN proc1 (SALES, ?)
Answer: A
Explanation:
Q40. Which kind of non-sourced UDF can be created so that it only returns a single value?
A. Row
B. Table
C. Scalar
D. Column
Answer: C
Explanation:
290. Given that tables T1 and T2 contain the following rows:
Table T1:
C1 C2
1 4
1 3
1 2
Table T2:
C1 C2
1 1
1 2
1 3
Which of the following queries will return only those rows that exist in both T1 and T2?
A. SELECT * FROM t1 UNION SELECT * FROM t2
B. SELECT * FROM t1 UNION DISTINCT SELECT * FROM t2
C. SELECT * FROM t1 INTERSECT SELECT * FROM t2
D. SELECT * FROM t1 WHERE (c1,c2)= (SELECT c1,c2 FROM t2)
Answer: C
Explanation:
291. Which of the following will begin a new unit of work?
A. The CONNECT statement
B. The first FETCH of a cursor
C. The BEGIN TRANSACTION statement
D. The first executable SQL statement
Answer: D
Explanation: