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IBM C2090-730 Exam Syllabus Topics:

IBM DB2 9 Family Fundamentals Sample Questions:

Question 1

Which tool must be used to analyze all of the database operations performed by an application against a DB2 for i5/OS database?

A. DB2 Performance Monitor
B. SQL Performance Monitor
C. Visual Explain
D. Activity Monitor

Question 2

Given the following requirements:
Create a table to contain employee data, with a unique numeric identifier automatically assigned when a row is added, has an EDLEVEL column that permits only the values 'C', 'H' and 'N', and permits inserts only when a corresponding value for the employee's department exists in the DEPARTMENT table.
Which of the following CREATE statements will successfully create this table?

A. CREATE TABLEemp (
empno SMALLINT NEXTVAL GENERATED ALWAYS AS IDENTITY,
firstname VARCHAR(30) NOT NULL,
lastname VARCHAR(30) NOT NULL,
workdept CHAR(3) NOT NULL,
edlevel CHAR(1),
PRIMARY KEY emp_pk (empno),
FOREIGN KEY emp_workdept_fk ON (workdept) REFERENCES department (deptno),
CHECK edlevel_ck VALUES (edlevel IN ('C','H','N')),
);
B. CREATE TABLEemp (
empno SMALLINT NEXTVAL GENERATED BY DEFAULT AS IDENTITY,
firstname VARCHAR(30) NOT NULL,
lastname VARCHAR(30) NOT NULL,
workdept CHAR(3) NOT NULL,
edlevel CHAR(1) CHECK IN ('C','H','N')),
CONSTRAINT emp_pk PRIMARY KEY (empno),
CONSTRAINT emp_workdept_fk FOREIGN KEY department (deptno) REFERENCES
(workdept)
);
C. CREATE TABLEemp (
empno SMALLINT NOT NULL GENERATED BY DEFAULT AS IDENTITY,
firstname VARCHAR(30) NOT NULL,
lastname VARCHAR(30) NOT NULL,
workdept CHAR(3),
edlevel CHAR(1),
CONSTRAINT emp_pk PRIMARY KEY (empno),
CONSTRAINT emp_workdept_fk FOREIGN KEY (workdept) REFERENCES department
(deptno),
CONSTRAINT edlevel_ck CHECK (edlevel IN ('C','H','N'))
);
D. CREATE TABLEemp (
empno SMALLINT NOT NULL GENERATED BY DEFAULT AS IDENTITY,
firstname VARCHAR(30) NOT NULL,
lastname VARCHAR(30) NOT NULL,
workdept CHAR(3),
edlevel CHAR(1),
CONSTRAINT emp_pk PRIMARY KEY (empno),
CONSTRAINT emp_workdept_fk FOREIGN KEY (workdept) REFERENCES department
(deptno),
CONSTRAINT edlevel_ck CHECK edlevel VALUES ('C','H','N')
);

Question 3

Which of the following is the main feature of an OLTP application?

A. Voluminous historical data
B. Summarized queries
C. Heterogeneous data sources
D. Granular transactions

Question 4

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 WHERE (c1,c2)= (SELECT c1,c2 FROM t2)
C. SELECT * FROM t1 INTERSECT SELECT * FROM t2
D. SELECT * FROM t1 UNION DISTINCT SELECT * FROM t2

Question 5

Which of the following privileges permits a user to update the comment on a sequence?

A. UPDATE
B. ALTER
C. USAGE
D. CONTROL

Solutions: