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IBM C2090-730 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Transaction Management and Concurrency | - Isolation levels and locking mechanisms - Commit and rollback concepts |
| SQL and Data Manipulation | - Joins and query processing basics - Insert, update, and delete operations - Basic SELECT statements |
| Security and Authorization | - Authentication mechanisms - User privileges and roles |
| Performance and Monitoring Basics | - Database monitoring tools overview - Query optimization basics |
| Backup, Recovery, and Utilities | - Load and export utilities - Backup and restore fundamentals |
| DB2 Environment and Architecture | - DB2 product family overview and editions - Client-server architecture and components - Database instances and database objects |
| Database Design and Objects | - Tables, views, indexes, and schemas - Data types and constraints |
IBM DB2 9 Family Fundamentals Sample Questions:
Which of the following DB2 objects is NOT considered executable using SQL?
- A. Trigger
- B. Procedure
- C. Routine
- D. Function
Which of the following actions may cause a trigger to be fired?
- A. DELETE
- B. ALTER
- C. ROLLBACK
- D. DROP
Which of the following isolation levels will lock all rows scanned to build a result data set?
- A. Repeatable Read
- B. Cursor Stability
- C. Uncommitted Read
- D. Read Stability
The following SQL statements were executed in sequence:
CREATE DISTINCT TYPE salary AS decimal(7,2) WITH COMPARISONS;
CREATE TABLE staffsalary(empid INT, empsalary salary);
INSERT INTO staffsalary VALUES (10, 50000), (20, 50000.00);
UPDATE staffsalary SET empsalary = 60000
WHERE salary(50000) = empsalary;
What is the current content of the staffsalary table?
- A. ID | EMPSALARY ----------------- 10 | 60000.00 20 | 60000.00 ----------------
- B. ID | EMPSALARY ----------------- 10 | 60000 20 | 50000.00 ----------------
- C. ID | EMPSALARY ----------------- 10 | 60000.00 20 | 50000.00 ----------------
- D. ID | EMPSALARY ----------------- 10 | 50000.00 20 | 50000.00 ----------------
Application A is designed to execute the following SQL statements within a single Unit of Work
(UOW).
UPDATE employee SET salary = salary * 1.1 WHERE empno='000010'
UPDATE department SET deptname = 'NEW dept' WHERE deptno='A00'
Application B is designed to execute the following SQL statements within a single Unit of Work
(UOW).
UPDATE department SET deptname = 'OLD DEPT' WHERE deptno='A00'
UPDATE employee SET salary = salary * 0.5 WHERE empno='000010'
Application A and application B execute their first SQL statement at the same time. When
application A and application B try to execute their second SQL statement, a deadlock occurs.
What will happen?
- A. Application A will successfully update the EMPLOYEE and DEPARTMENT tables; Application B will terminate when the lock timeout value is reached.
- B. The database managerwill rollback the transaction in one of the two applications.
- C. The database managerwill rollback the transaction in both applications.
- D. Application B will successfully update the EMPLOYEE and DEPARTMENT tables; Application A will be placed in a lock wait state.
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