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IBM C2090-730 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Performance and Monitoring Basics | - Database monitoring tools overview - Query optimization basics |
| Transaction Management and Concurrency | - Isolation levels and locking mechanisms - Commit and rollback concepts |
| Backup, Recovery, and Utilities | - Load and export utilities - Backup and restore fundamentals |
| Database Design and Objects | - Tables, views, indexes, and schemas - Data types and constraints |
| SQL and Data Manipulation | - Basic SELECT statements - Insert, update, and delete operations - Joins and query processing basics |
| Security and Authorization | - Authentication mechanisms - User privileges and roles |
| DB2 Environment and Architecture | - Client-server architecture and components - DB2 product family overview and editions - Database instances and database objects |
IBM DB2 9 Family Fundamentals Sample Questions:
Given the following CREATE TABLE statement:
CREATE TABLE table2 LIKE table1
Which two of the following will NOT occur when the statement is executed?
- A. TABLE2 will have the samenullability characteristics as TABLE1
- B. TABLE2 will have the same referential constraints as TABLE1
- C. TABLE2 will have the same column names and column data types as TABLE1
- D. TABLE2 will have the same indexes as TABLE1.
- E. TABLE2 will have the same column defaults as TABLE1
Correct Answer: B,D 🗳️
Given the following data:
TAB1
C1 C2
200 abc 250 abc 150 def 300 ghi 175 def
If the following query is executed:
WITH subset (col1, col2) AS (SELECT c1, c2 FROM tab1 WHERE c1 > 150) SELECT col2, SUM(col1) AS col1_sum FROM subset GROUP BY col2 ORDER BY col2
Which of the following result data sets will be produced?
- A. COL2 COL1_SUM
abc 450 def 325 ghi 300 3 record(s) selected. - B. COL2 COL1_SUM
abc 450 def 175
ghi 300
3 record(s) selected. - C. COL2 COL1_SUM
abc 450 abc 450 def 175 def 175 ghi 300 5 record(s) selected. - D. COL2 COL1_SUM
abc 200 abc 250 def 175 ghi 300 4 record(s) selected.
Correct Answer: B 🗳️
Which of the following commands is used to retrieve database names from the local catalog for DRDA host databases on System i and System z?
- A. LIST ACTIVE DATABASES
- B. LIST DCS DIRECTORY
- C. LIST DB DIRECTORY
- D. LIST NODE DIRECTORY
Correct Answer: B 🗳️
The following triggers were defined for a table named SALES in the order shown:
CREATE TRIGGER trigger_a NO CASCADE BEFORE UPDATE ON sales REFERENCING NEW AS new FOR EACH ROW SET new.commission = sale_amt * .05 WHERE invoice = n.invoice;
CREATE TRIGGER trigger_b AFTER INSERT ON sales REFERENCING NEW AS new FOR EACH ROW UPDATE sales SET bill_date = CURRENT DATE + 30 DAYS WHERE invoice = n.invoice;
CREATE TRIGGER trigger_c NO CASCADE BEFORE DELETE ON sales FOR EACH ROW SIGNAL SQLSTATE '75005' SET MESSAGE_TEXT = 'Deletes not allowed!';
Which of the following statements is NOT true?
- A. Whenever a row in the SALES table is updated, all three triggers are fired but nothing happens because none of the triggers have been coded to trap update operations
- B. Whenever a row is inserted into the SALES table, the value in the BILL_DATE column is automatically set to 30 days from today
- C. Once a row has been added to the SALES table, it cannot be removed
- D. Each time a row is inserted into the SALES table, trigger TRIGGER_A is fired first, followed by trigger TRIGGER_B
Correct Answer: A 🗳️
Which of the following statements is used to revoke all DML privileges on table EMPLOYEE from user TOM?
- A. REVOKE ALL ON EMPLOYEE FROM USER tom
- B. REVOKE ALL PRIVILEGES FROM USER tom
- C. REVOKE EXECUTE ON EMPLOYEE FROM USER tom
- D. REVOKE PRIVILEGES ON EMPLOYEE FROM USER tom
Correct Answer: A 🗳️
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