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IBM A2090-730 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Database Administration Basics | - Instance and database management - Security and authorization concepts |
| SQL and Database Operations | - Data manipulation (INSERT, UPDATE, DELETE) - Basic SQL queries |
| Backup and Recovery | - Backup strategies - Recovery fundamentals |
| Performance and Maintenance | - Performance tuning concepts - Indexing basics |
| DB2 Fundamentals Overview | - DB2 architecture and components - DB2 data storage concepts |
IBM Assessment: DB2 9 Family Fundamentals Sample Questions:
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
Correct Answer: D 🗳️
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
Correct Answer: D 🗳️
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.
Correct Answer: B 🗳️
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
Correct Answer: C 🗳️
Which of the following are types of routine objects?
- A. Procedure and package
- B. Function anduserexit
- C. Function and procedure
- D. Package and function
Correct Answer: C 🗳️
