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IBM A2090-730 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: DB2 Architecture | 16% | - Memory models and storage management - Instance and database structure - Processes and communication layers |
| Topic 2: Security | 11% | - Data access control - Authentication and authorization - Privileges and authorities |
| Topic 3: Planning | 14% | - XML and non-relational data support - DB2 tools and utilities - Database workload types (OLTP vs OLAP) - DB2 product editions and components |
| Topic 4: Data Concurrency | 15% | - Concurrency control and conflict resolution - Transaction management and ACID properties - Locking mechanisms and isolation levels |
| Topic 5: Working with Databases and Database Objects | 17% | - Creating and managing schemas, tables, views, indexes - Connecting to DB2 instances and databases - Data types and storage structures - Constraints, referential integrity, triggers |
| Topic 6: Installation and Configuration | 6% | - Installation procedures - Configuration parameters - Upgrade and migration basics |
| Topic 7: SQL | 21% | - Joins, subqueries, and functions - XML and advanced SQL features - Data Definition Language (DDL) - Data Manipulation Language (DML) |
IBM Assessment: DB2 9 Family Fundamentals Sample Questions:
1. Given the following CREATE TABLE statement:
CREATE TABLE customer(custid INTEGER, info XML)
And the following INSERT statements:
INSERT INTO customer VALUES (1000,
'<customerinfo xmlns="http://custrecord.dat" custid="1000">
<name>John Doe</name>
<addr country="United States">
<street>25 East Creek Drive</street>
<city>Raleigh</city>
<state-prov>North Carolina</state-prov>
<zip-pcode>27603</zip-pcode>
</addr>
<phone type="work">919-555-1212</phone>
<email>[email protected]</email>
</customerinfo>');
INSERT INTO customer VALUES (1000,
'<customerinfo xmlns="http://custrecord.dat" custid="1001">
<name>Paul Smith</name>
<addr country="Canada">
<street>412 Stewart Drive</street>
<city>Toronto</city>
<state-prov>Ontario</state-prov>
<zip-pcode>M8X-3T6</zip-pcode>
</addr>
<phone type="work">919-555-4444</phone>
<email>[email protected]</email>
</customerinfo>');
What is the result of the following XQuery expression?
XQUERY declare default element namespace "http://custrecord.dat"; for
$info in db2-fn:xmlcolumn('CUSTOMER.INFO')/customerinfo where
$info/addr/state-prov="Ontario" return $info/name/text();
A) <customerinfo xmlns="http://custrecord.dat" custid="1001"><name xmlns="http://custrecord.dat">Paul Smith</name>
B) Paul Smith
C) <customerinfo xmlns="http://custrecord.dat" custid="1001">Paul Smith</customerinfo>
D) <namexmlns="http://custrecord.dat">Paul Smith</name>
2. Which of the following is a feature of a unit of work?
A) Its value can be queried from the system catalog tables.
B) It is a recoverable sequence of operations.
C) It begins when the application connects to the data server.
D) It applies to a single data server.
3. A user invoking a user-defined function requires which DB2 privilege?
A) REFERENCES
B) CALL
C) USAGE
D) EXECUTE
4. Which of the following is used to create and debug user-defined functions?
A) SQL Assist
B) Control Center
C) Command Editor
D) Developer Workbench
5. Given the following table definition:
EMPLOYESS
EMP ID INTEGER
NAME CHAR(20)
DEPT CHAR(10)
SALARY DECIMAL (10, 2)
COMMISSION DECIMAL (8, 2)
Assuming the DEPT column contains the values 'ADMIN', 'PRODUCTION', and 'SALES', which of
the following statements will produce a result data set in which all ADMIN department employees
are grouped together, all PRODUCTION department employees are grouped together, and all
SALES department employees are grouped together?
A) SELECT name, dept FROM employees GROUP BY CUBE (dept)
B) SELECT name, dept FROM employees GROUP BY dept
C) SELECT name, dept FROM employees ORDER BY dept
D) SELECT name, dept FROM employees GROUP BY ROLLUP (dept)
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: B | Question # 3 Answer: D | Question # 4 Answer: D | Question # 5 Answer: C |



