Databases

DB2 9 Fundamentals Certification Study Guide by Roger E. Sanders

By Roger E. Sanders

Beginning with the certification strategy itself and finishing with the concept that of isolation degrees and locking, this consultant covers every little thing had to be aware of to cross the DB2 nine basics Certification examination (Exam 730). The prerequisite for all intermediate and follow-on DB2 certifications, XML utilization, easy desk production, a wealthy set of pattern questions, and particular solutions are all integrated, forming the root for knowing the most recent model of IBM's flagship database product. despite what destiny certification direction the reader is making plans on pursuing, this learn consultant will chart a direction for skillability in DB2 nine.

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This set of user-defined data types and functions make up the DB2 Spatial Extender. At the basic level, the DB2 Spatial Extender allows you to store spatial data in a DB2 database. With this capability, you can generate, analyze, and exploit spatial information about geographic features, such as the locations of office buildings or the size of a flood zone, and present it in a three-dimensional format. The DB2 Spatial Extender also enables you to add another element of intelligence to your database by integrating spatial information with business data (text and numbers).

Therefore, in order to store a wide variety of data, DB2 contains a rich set of built-in data types, along with a set of 38 Chapter 2: Planning Chapter 2: Planning 39 functions that are designed to work with each data type provided. DB2 also allows users to create their own data types (known as user-defined types) and supporting functions (known as user-defined functions) to handle data that does not map directly to one of the built-in data types available. Building on this capability, the developers of DB2 created several sets of user-defined data types and user-defined functions for the sole purpose of managing specific kinds of data.

End users, in turn, can experience faster cube loads and receive the ability to drill down into the data to get more detail than that provided in a summary. • DB2 DWE Data Mining and Visualization Features: DB2 DWE Data Mining and Visualization Features help you discover hidden relationships in your data, without requiring you to export the data to a special data mining computer or work with small samples of the data. The data mining process starts with historical data being gathered and put through a series of mathematical functions to derive Chapter 2: Planning 33 34 Chapter 2: Planning business rules, which are then collected together to form a Model.

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