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IBM A2090-730 Exam Syllabus Topics:

IBM Assessment: DB2 9 Family Fundamentals Sample Questions:

1. Which of the following SQL statements will return the year and average salary for all employees hired within a given year that have a salary greater than $30,000?

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

2. Which of the following DB2 tools allows a user to execute an SQL statement and view a graphical representation of the access plan?

A) Command Line Processor
B) Command Editor
C) Task Center
D) Developer Workbench

3. Given the following DDL and INSERT statements:
CREATE VIEW v1 AS SELECT col1 FROM t1 WHERE col1 > 10;
CREATE VIEW v2 AS SELECT col1 FROM v1 WITH CASCADED CHECK OPTION;
CREATE VIEW v3 AS SELECT col1 FROM v2 WHERE col1 < 100;
INSERT INTO v1 VALUES(5);
INSERT INTO v2 VALUES(5);
INSERT INTO v3 VALUES(20);
INSERT INTO v3 VALUES(100);
How many of these INSERT statements will be successful?

A) 0
B) 2
C) 3
D) 1

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

5. Given the following table definition:
SALES
INVOICE_NO CHAR(20) NOT NULL
SALES_DATE DATE
SALES_PERSON VARCHAR(25)
REGION CHAR(20)
SALES_AMT DECIMAL(9,2)
Which of the following queries will return SALES information, sorted by SALES_PERSON, from A
to Z, and SALES_DATE, from most recent to earliest?

A) SELECTinvoice_no, sales_person, sales_date, sales_amt FROM sales ORDER BY sales_person DESC, sales_date
B) SELECTinvoice_no, sales_person, sales_date, sales_amt FROM sales SORT BY sales_person DESC, sales_date
C) SELECTinvoice_no, sales_person, sales_date, sales_amt FROM sales SORT BY sales_person, sales_date DESC
D) SELECTinvoice_no, sales_person, sales_date, sales_amt FROM sales ORDER BY sales_person, sales_date DESC

Solutions: