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IBM A2090-730 Exam Syllabus Topics:

IBM Assessment: DB2 9 Family Fundamentals Sample Questions:

1. Which of the following is a valid wildcard character in a LIKE clause of a SELECT statement?

A) \
B) ?
C) *
D) %

2. If the following SQL statements are executed:
CREATE TABLE tab1 (id SMALLINT NOT NULL PRIMARY KEY,
name VARCHAR(25));
CREATE TABLE tab2 (empid SMALLINT,
weekno SMALLINT,
payamt DECIMAL(6,2),
CONSTRAINT const1 FOREIGN KEY (empid)
REFERENCES taba(id) ON UPDATE NO ACTION);
Which of the following statements is true?

A) Only values that exist in the ID column of table TAB1 are allowed to be inserted in the EMPID column of table TAB2
B) The updating of values in the ID column of table TAB1 is not allowed
C) Only values that do not already exist in the ID column of table TAB1 are allowed to be inserted in the EMPID column of table TAB2
D) When values that exist in the ID column of table TAB1 are updated, corresponding values in the EMPID column of table TAB2 are updated as well

3. After the following SQL statement is executed: GRANT ALL PRIVILEGES ON TABLE employee TO USER user1
Assuming user USER1 has no other authorities or privileges, which of the following actions is user USER1 allowed to perform?

A) Alter the table definition
B) Drop the EMPLOYEE table
C) Grant all privileges on the EMPLOYEE table to other users
D) Drop an index on the EMPLOYEE table

4. If the following SQL statements are executed:
CREATE TABLE tab1 (id SMALLINT NOT NULL PRIMARY KEY,
name VARCHAR(25));
CREATE TABLE tab2 (empid SMALLINT,
weekno SMALLINT,
payamt DECIMAL(6,2),
CONSTRAINT const1 FOREIGN KEY (empid)
REFERENCES taba(id) ON UPDATE NO ACTION);
Which of the following statements is true?

A) Only values that exist in the ID column of table TAB1 are allowed to be inserted in the EMPID column of table TAB2
B) The updating of values in the ID column of table TAB1 is not allowed
C) Only values that do not already exist in the ID column of table TAB1 are allowed to be inserted in the EMPID column of table TAB2
D) When values that exist in the ID column of table TAB1 are updated, corresponding values in the EMPID column of table TAB2 are updated as well

5. Given the following table and XML data stored in the CONTACTINFO column:
CREATE TABLE clients(
id INT PRIMARY KEY NOT NULL,
name VARCHAR(50),
status VARCHAR(10),
contactinfo XML)
<Client>
<Address>
<street>25 EastCreek</street>
<city>Toronto</city>
<prov-state>Ontario</prov-state>
<pcode-zip>M8X-3T6</pcode-zip>
</Address>
<phone>
<work>4165551358</work>
<home>9051112222</home>
<fax>9051112222</fax>
</phone>
<preferredcontact>by fax</preferredcontact>
</Client>
What is the result of the following XQuery expression?
for $y in db2-fn:xmlcolumn('CLIENTS.CONTACTINFO')/Client//fax return $y

A) 9051112222
B) No results because there is no <fax> child element of <Client>
C) <fax>9051112222</fax>
D) No results because theXQuery expression is not a valid FLWOR expression

Solutions: