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| Section | Weight | Objectives |
|---|---|---|
| DB2 Installation and Configuration | 16% | - Connectivity Setup - Configuration Parameters - Installation Requirements and Procedures - Instance and Database Configuration |
| Data Concurrency | 13% | - Avoiding Lock Contention - Locking Mechanisms - Concurrency Control - Isolation Levels and Their Impact |
| Planning | 14% | - Database Workloads: OLTP vs Data Warehousing - DB2 Editions and Packaging - Security and Access Control Basics - DB2 Tools and Utilities |
| Working with DB2 Data Using SQL | 23.5% | - DML Statements: SELECT, INSERT, UPDATE, DELETE - SQL Functions and Expressions - Sorting, Grouping, and Joining Data - Transaction Isolation Levels |
| DB2 Security | 16.5% | - Privileges and Authorities - Authentication and Authorization - Data Protection and Auditing - Role-Based Access Control |
| Working with Databases and Database Objects | 17% | - Data Types and XML Support - DDL Statements - Schemas, Tables, Views, Indexes, Constraints - Connecting to DB2 Servers and Databases |
1. 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) Application B will successfully update the EMPLOYEE and DEPARTMENT tables; Application A will be placed in a lock wait state.
C) The database managerwill rollback the transaction in both applications.
D) The database managerwill rollback the transaction in one of the two applications.
2. When does a view get populated?
A) When it is referenced in an INSERT statement
B) The first time any executable SQL statement references it
C) Any time an executable SQL statement references it
D) When it is created
3. 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 DB DIRECTORY
B) LIST NODE DIRECTORY
C) LIST DCS DIRECTORY
D) LIST ACTIVE DATABASES
4. Which of the following DB2 data types has a fixed length?
A) XML
B) BLOB
C) DOUBLE
D) DBCLOB
5. A trigger can be created on which of the following objects?
A) Catalog Table
B) Global Temporary Table
C) View
D) Stored Procedure
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: C | Question # 3 Answer: C | Question # 4 Answer: C | Question # 5 Answer: C |
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