DB2 Universal Database v7.1 for UNIX, Linux, Windows and OS/2 Database Administration Certification Guide

GEORGE BAKLARZ, IBM's Senior Program Manager for DB2 Technical Sales Support, works closely with customers to help them understand new DB2 technology, and to gain their feedback for improving DB2 products. He has spent 18 years at IBM working on various aspects of database technology. BILL WONG is IBM's worldwide manager of DB2 UDB Technical Sales Support. He is responsible for assisting customers assessing the latest DB2 technology and understanding future directions of IBM's data management portfolio. He has spent more than 16 years in a variety of database roles including DB2 systems administrator, DBA, technical sales support, vendor enablement, and product planning.

I. INTRODUCTION TO DB2 UDB.

1. Product Overview.


DB2 and e-business. DB2 Universal Database. DB2 Enterprise Edition. DB2 Workgroup Edition. DB2 Enterprise - Extended Edition. DB2 Personal Edition. DB2 Satellite Edition. DB2 Everyplace. DB2 Connectivity. DB2 Universal Database Clients. DB2 Connect. DB2 Replication. DB2 Net.Data. DB2 Relational Connect. DB2 DataJoiner. IBM WebSphere Application Server. DB2 Application Development. DB2 Universal Developer's Edition. DB2 Stored Procedure Builder. DB2 Relational Extenders. DB2 OLAP Server Starter Kit. DB2 Data Warehouse Center. DB2 Warehouse Manager. DB2 Data Links Manager. DB2 Administration. Control Center. Other Tools Available from the Control Center. Wizards. The Command Line Processor (CLP). Visual Explain. Summary.

2. Getting Started.


Product Installation. Windows and OS/2 Installation. UNIX and Linux Installation. DB2 Client Installation. Distributed Installation. The DB2 Environment. DB2 Profile Registry. Environment Variables. Using the Command Line Processor. DAS and DB2 Instances. DB2 Administration Server (DAS) Instance. DB2 Instances. Using First Steps. Summary.

3. Getting Connected.


Roadmap to Distributed Communications. DB2 Discovery. Automated Configuration Using Discovery. Automated Configuration Using Access Profiles. Manual Configuration. DB2 Directories. Examining DB2 Directories. Configuring DB2 Clients. Automated Configuration Using Discovery. Using Access Profiles. Manual Configuration. Summary of Configuring Connections. Configuring Communications. Configuring the DB2 Instance for Communications. Configuring the DAS Instance. Configuring DB2 Discovery. Binding Utilities. Binding Utilities Using the CCA. Instance Administration. Local Instance Administration. Attaching to an Instance Using the Control Center. Summary.

4. Controlling Data Access.


Security. Overview of Security. Authentication. Authorities and Privileges. Windows NT/2000 Considerations. Auditing. Summary.

II. USING SQL.

5. Database Objects.


Understanding Database Objects. Data Types. Tables. Schemas. Table Spaces. Views. Indexes. Packages. Buffer Pools. Transactions. Locks. Log Files. Creating a DB2 Database. Managing Database Objects. Using SQL Data Definition Language (DDL). Data Types. Tables. Views. ZIndexes. Database Design and Implementation. DB2CERT Database Table Descriptions. Define User-Defined Data Types. Defining Columns. Keys. Defining Primary Keys. Defining Unique Keys. Defining Foreign Keys. Summary.

6. Manipulating Database Objects.


Data Retrieval. Retrieving the Entire Table. Projecting Columns from a Table. Changing the Order of the Columns. Restricting Rows from a Table. Predicate Evaluation for UDTs. Restricting Rows Using Multiple Conditions. Selecting Columns from Multiple Tables. Using Correlation Names. Sorting Your Output. Derived Columns. DB2 Functions. Grouping Values. Eliminating Duplicates. Searching for String Patterns. Searching for Data in Ranges. Searching for Null Values. Searching for Negative Conditions. Searching for a Set of Values. Sub-Queries. Quantified Predicates. Case Expressions. Nested Table Expressions. Scalar Fullselect. Common Table Expressions. Set Operators. Data Modification. Inserting Data Records. Updating Data Records. Removing Data. View Classification. Deletable Views. Updatable Views. Insertable Views. Read-Only Views. Inoperative Views. Summary.

7. Advanced SQL.


Triggers. Trigger Usage. Trigger Activation. Trigger Example (After Trigger). Trigger Example (Before Trigger). Recursive SQL. Outer Join. Left Outer Join. Right Outer Join. Full Outer Join. Combining Outer Joins. OLAP Features. STAR Schemas. OLAP Indexes. STAR Joins. Super Grouping. Moving Functions. Advanced CASE Expressions. Using CASE Expressions to Group Values. Using CASE Expressions in Functions. Structured Types and Typed Tables. Creating Structured Types. Altering Structured Types. Creating Typed Tables. Dropping Typed Tables. Inserting Rows into a Typed Table. Selecting a Row from a Typed Table. Updating and Deleting Rows from Typed Tables. Physical Implementation of Typed Tables. Reference Columns. View Hierarchies. SQL Functions for Typed Tables and Typed Views. TYPE Predicate. Considerations When Using Typed Tables and Views. Examples of a Typed Table Hierarchy. Summary Tables. Creating a Summary Table. CURRENT REFRESH AGE Special Register. Considerations of Using Summary Tables. System Catalog Information for Summary Tables. Summary.

8. Concurrency.


Concurrency. Concurrency Considerations. Isolation Levels. Uncommitted Read. Cursor Stability. Read Stability. Repeatable Read. Choosing an Isolation Level. Locking. Lock Attributes. Lock Conversion. Lock Escalation. Lock Wait Behavior. Lock Table Statement. LOCKSIZE parameter of ALTER TABLE statement. Summary.

III. DB2 UDB ADMINISTRATION.

9. Data Storage Management.


Processor, Memory, and Disk Resources. Processors. Memory. Disk. DB2 Storage Model. Buffer Pool. Table Spaces. Containers. Table Space Design. Regular Table Space. Long Table Space. System Temporary Table Space. Extentsize. Pagesize. Performance Considerations. Long Field Data. Large Object Data. Implementation Examples. Creating a Database. Creating Buffer Pools. Creating Table Spaces. Creating Tables. Dropping Table Spaces. Dropping Buffer Pools. Dropping a Database. Creating Table Spaces Using the Control Center. Table Space Maintenance. Database Files. Listing Table Spaces. Listing Table Space Containers. Table Space States. System Catalog Information About Table Spaces. Adding Containers to DMS Table Spaces. Summary.

10. Maintaining Data.


Moving Data. Delimited ASCII Files. Non-Delimited ASCII Files. PC/IXF Files. Worksheet Format Files. Data Movement Utilities. The Export Utility. The IMPORT Utility. The Load Utility. The LOAD QUERY Command. The SET INTEGRITY Statement. The DB2MOVE Utility. The DB2LOOK Utility. Data Maintenance. Analyzing Data's Physical Organization. Table Reorganization. Generating Statistics. The Rebind Utility. Data Maintenance Process. Modeling a Production Environment. Summary.

11. Database Recovery.


Database Recovery Concepts. Unit of Work. Transaction. Types of Recovery. Crash Recovery. Version Recovery. Roll-Forward Recovery. Recovery Strategies. Recoverable and Nonrecoverable Databases. Online and Offline Access. Use of Log Files. Log Buffers. Primary and Secondary Log Files. Types of Logging. Log File Usage. Version Recovery Using Backup and Restore. Roll-Forward Recovery. Managing Log Files. Other Recovery Considerations. Summary.

12. Monitoring and Tuning.


Elements of Performance. Tuning Guidelines. Performance Improvement Process. How Much Can a System Be Tuned? A Less-Formal Approach. DB2 Architecture Overview. Process Model. Query Parallelism. DB2 Memory Usage. SQL Compiler Overview. DB2 Sorting Methods. Database Monitoring. Obtaining Database Access Information. Database Monitors. Snapshot Monitoring. Event Monitoring. Visual Performance Monitors. DB2 Governor. SQL Monitoring. Explain Tables. Gathering Explain Data. Examining Explain Data. Guidelines on Using Explain Output. Index Advisor Facility. Configuring Database Resources. Configuring Intra-Partition Parallelism. Performance Tuning Scenario. Diagnostics and Problem Determination. Error Messages and SQL Codes. Tracing Problems in DB2 Universal Database. Summary.

IV. DEVELOPING APPLICATIONS.

13. Application Development Overview.


DB2 Application Development Environment. Software Requirements. DB2 Programming Interfaces. Embedded SQL. Call Level Interface and ODBC. Java Interfaces (JDBC and SQLJ). Native DB2 APIs. Microsoft Data Objects (DAO, RDO, ADO, OLE-DB). Other Interfaces and Tools. Summary.

14. Development Considerations.


Embedded SQL Overview. Creating Packages. Binding Applications. Support for CLI and ODBC Programming. Embedded Dynamic Versus Call Level Interface. ODBC Versus CLI. Setting Up the CLI Environment. Support For Java Programming. JDBC Programming. SQLJ Programming. Stored Procedure Builder. Summary.

15. Development SQL.


User-Defined Functions. SQL-Bodied Scalar Functions. SQL-Bodied Table Functions. Structured Datatypes. Schemas and Aliases. Schema. Alias. COMMIT and ROLLBACK. Summary.

V. APPENDICES.

DB2 UDB V. Certification Test Objectives.
DB2 Family Fundamentals (512).
DB2 for OS/2, Windows, and UNIX Database Administration (513).
Sample Questions (Fundamentals - Exam 512).
Sample Questions (Administration - Exam 513).
Answers.
CD-ROM Installation.
DB2DEMO.
Index.