Download e-book for iPad: Advanced DBA Certification Guide and Reference for DB2 UDB by Dwaine R. Snow, Thomas Xuan Phan

By Dwaine R. Snow, Thomas Xuan Phan

ISBN-10: 0130463884

ISBN-13: 9780130463883

Now, there is a definitive consultant to complex DB2 UDB database management that still offers the entire intensity and perception you want to organize for the harsh new IBM examination. immediately from the DB2 specialists at IBM, this e-book bargains systematic and authoritative insurance of each examination target and may function a reference once you have handed the test.For the 1st time, this booklet brings jointly IBM most sensible practices, innovations, suggestions, guidance, and ideas of thumb for almost each element of complicated DB2 UDB v8 database administration-including all this and more:Ability to layout, create, and deal with desk spacesAbility to layout, create, and deal with buffer poolsWhen and the way to use parallelism in DB2 UDBConfiguring federated database accessDesigning and imposing a backup and restoration strategyAbility to enforce a standby databaseMonitoring and tuning DB2Using and dealing with tables with multidimensional clusteringDesigning and configuring a number of database partitionsImplementing authentication and encryption on a wide scaleLeveraging parallelism and symmetric multiprocessingPreparing for and executing restoration in an firm environmentRapid restoration within the occasion of desk area or desk point disastersEffective tracking and challenge determinationMaximizing functionality and scalability

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45 46 If there were data in any of the extents in the container, the data would need to be rebalanced before the container can be physically removed from the table space. Once the rebalance has completed, the table space map would look like the following: Range Number [0] [1] Stripe Set [0] [0] Stripe Offset 0 0 Max Extent 5 6 Max Page 59 69 Start Stripe 0 3 End Stripe 2 3 Adj. Containers 0 0 2 (0, 1) 1 (0) For a table space with five containers created using the following command: CREATE TABLESPACE 5contspc MANAGED BY DATABASE USING (FILE 'd:\cont0' 5000, FILE 'e:\cont1' 5000, FILE 'f:\cont2' 5000, FILE 'g:\cont3' 5000, FILE 'h:\cont4' 5000) removing Containers 2 and 4 from the table space could be done in two ways.

The second column is the TCP/IP hostname of the server where the instance is created. The third column is optional but must be used if there are multiple partitions on the same server. This column specifies the logical port for the partitions within the server. The fourth column is also optional and is used to identify the network interface to use for interpartition communication. 15. Database partition 0 is located on Server1; partition 1 is located on Server2, and so on. Because there is only one partition per server, all partitions will use logical port zero (0) on their server.

The catalog partition is the partition where the CREATE DATABASE command was executed ◊ Contains all of the system catalog tables ◊ Cannot be altered to span more partitions ◊ Cannot be dropped using the DROP DATABASE PARTITION GROUP statement NOTE To remain compatible with scripts and programs written for previous versions of DB2, NODEGROUP can be used in place of DATABASE PARTITION GROUP. NOTE If a user temporary table space is created, it must be created in the IBMDEFAULTGROUP or another user-created partition group.

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Advanced DBA Certification Guide and Reference for DB2 UDB v8 for Linux, Unix and Windows by Dwaine R. Snow, Thomas Xuan Phan

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