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IBM A2090-730 Exam Syllabus Topics:

IBM Assessment: DB2 9 Family Fundamentals Sample Questions:

1. Which of the following isolation levels will lock all rows scanned to build a result data set?

A) Cursor Stability
B) Read Stability
C) Uncommitted Read
D) Repeatable Read

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) 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
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) Only values that exist in the ID column of table TAB1 are allowed to be inserted in the EMPID column of table TAB2

3. Given the following table definition:
SALES INVOICE_NO CHAR(20) NOT NULL SALES_DATE DATE SALES_PERSON CHAR(20) REGION CHAR(20) SALES INTEGER
If the following SELECT statement is executed, which of the following describes the order of the rows in the result data set produced? SELECT * FROM sales

A) The rows are sorted by INVOICE_NO in descending order.
B) The rows are not sorted in any particular order.
C) The rows are ordered based on when they were inserted into the table.
D) The rows are sorted by INVOICE_NO in ascending order.

4. The EMPLOYEE table contains the following information:
EMPNO NAME WORKDEPT
101 SAM A11 102 JOHN C12 103 JANE 104 PAT Remote 105 ANNE 106 BOB A11
The MANAGER table contains the following information:
MGRID NAME DEPTNO EMPCOUNT
1 WU B01 2 JONES A11 3 CHEN - 4 SMITH - 5 THOMAS C12
After this statement is executed:
UPDATE manager m SET empcount = (SELECT COUNT(workdept) FROM employee e WHERE workdept=m.deptno)
What is the result of the following query?
SELECT mgrid, empcount FROM MANAGER WHERE empcount IS NOT NULL ORDER BY mgrid

A) MGRID EMPCOUNT ----- -------- 1 0 22 5 1
B) MGRID EMPCOUNT ----- -------- 1 0 22 3 2 4 2 5 1
C) MGRID EMPCOUNT ----- -------- 1 0 22 3 0 4 0 5 1
D) MGRID EMPCOUNT ----- -------- 1 3 2 33 3 4 3 5 3

5. Which of the following are types of routine objects?

A) Procedure and package
B) Function anduserexit
C) Function and procedure
D) Package and function

Solutions: