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IBM A2090-730 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Working with DB2 Data using SQL and XQuery | 23.5% | - Joins, subqueries, common table expressions - DML statements: SELECT, INSERT, UPDATE, DELETE - XML and XQuery basics - Transactions and concurrency control - Sorting, grouping, filtering data |
| Working with DB2 Tables, Views and Indexes | 23.5% | - Index types and usage - Data integrity and constraints - Views, materialized query tables - Table structure and constraints |
| Planning | 14% | - Workload types: OLTP, OLAP, Data Warehousing - DB2 product family and editions - DB2 tools and utilities - Non-relational and XML data concepts |
| Security | 11% | - Data and network encryption - Access control and authentication - GRANT / REVOKE statements - Authorities, privileges, roles |
| Working with Databases and Database Objects | 17% | - Schemas, tables, views, nicknames - Instance and database connections - DDL statements: create, alter, drop objects - Storage structures: tablespaces, containers |
IBM Assessment: DB2 9 Family Fundamentals Sample Questions:
1. Which of the following is a characteristic of a schema?
A) A schema enables the creation of multiple objects in a database without encountering namespace collisions.
B) If no schema is specified when an object is created, the default schema PUBLIC is used.
C) Foreign key references cannot cross schema boundaries.
D) A DB2 user must be created before a schema with the same name can be created.
2. Which of the following products is used to shred extensible markup language documents?
A) DB2 XML Extender
B) DB2 Text Extender
C) DB2 AVI Extender
D) DB2 Spatial Extender
3. Given the following set of statements:
CREATE TABLE tab1 (col1 INTEGER, col2 CHAR(20));
COMMIT;
INSERT INTO tab1 VALUES (123, 'Red');
INSERT INTO tab1 VALUES (456, 'Yellow');
SAVEPOINT s1 ON ROLLBACK RETAIN CURSORS;
DELETE FROM tab1 WHERE col1 = 123;
INSERT INTO tab1 VALUES (789, 'Blue');
ROLLBACK TO SAVEPOINT s1;
INSERT INTO tab1 VALUES (789, 'Green');
UPDATE tab1 SET col2 = NULL WHERE col1 = 789; COMMIT;
Which of the following records would be returned by the following statement?
SELECT * FROM tab1
A) COL1 COL2
123 Red 456 Yellow 789 Green 3 record(s) selected.
B) COL1 COL2
456 Yellow 1 record(s) selected.
C) COL1 COL2
123 Red 456 Yellow 2 record(s) selected.
D) COL1 COL2
123 Red 456 Yellow 789 3 record(s) selected.
4. If the following statement is executed:
CREATE TABLE tab1 (col1 INTEGER NOT NULL,
col2 INTEGER,
CONSTRAINT const1 FOREIGN KEY (col2)
REFERENCES tab1(col1));
How many unique indexes are defined for table TAB1?
A) 2
B) 3
C) 1
D) 0
5. Which of the following queries will correctly return the manager information sorted by the manager's last name, department and project name?
A) SELECTlastname, dept, projname, manager, startdate FROM (SELECT name AS lastname, dept, proj AS projname, manager, startdate FROM employee, project WHERE empno = mgrno) AS empproj ORDER BY lastname ASC SORT BY dept, projname DESC
B) SELECTlastname, dept, projname, manager, startdate FROM (SELECT name, dept, proj AS projname, manager, startdate FROM employee, project WHERE empno = empno) AS empproj ORDER BY name, dept, projname
C) SELECTlastname, dept, projname, manager, startdate FROM (SELECT name AS lastname, dept, proj AS projname, manager, startdate FROM employee, project WHERE empno = mgrno) AS empproj SORT BY lastname, firstname, dept, projname
D) SELECTlastname, dept, projname, manager, startdate FROM (SELECT name AS lastname, dept, proj AS projname, manager, startdate FROM employee, project WHERE empno = mgrno) AS empproj ORDER BY lastname, dept, projname
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: A | Question # 3 Answer: D | Question # 4 Answer: D | Question # 5 Answer: D |







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