By Dwaine R. Snow, Thomas Xuan Phan
Now, there is a definitive advisor to complex DB2 UDB database management that still can provide all of the intensity and perception you must organize for the harsh new IBM examination. directly from the DB2 specialists at IBM, this booklet deals systematic and authoritative assurance of each examination aim and should function a reference upon getting handed the test.For the 1st time, this booklet brings jointly IBM most sensible practices, suggestions, information, guidance, and ideas of thumb for nearly 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 take advantage of parallelism in DB2 UDBConfiguring federated database accessDesigning and enforcing a backup and restoration strategyAbility to enforce a standby databaseMonitoring and tuning DB2Using and handling 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 company environmentRapid restoration within the occasion of desk area or desk point disastersEffective tracking and challenge determinationMaximizing functionality and scalability
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Extra resources for Advanced DBA Certification Guide and Reference for DB2 UDB v8 for Linux, Unix and Windows
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. 15. A partitioned database configuration. 1. cfg file. It is required only when there are multiple partitions on the same server. With the various hardware vendors producing larger and larger symmetric multiprocessor (SMP) machines, the creation of multiple database partitions within a server is becoming more prevalent.
Max Extent: The maximum extent number found in the range. • Max Page: The maximum page number found in the range. • Start Stripe: The number of the stripe where the range starts in the map. • End Stripe: The number of the stripe where the range ends in the map. • Adj: This is known as the adjustment, and it specifies how far a range is shifted during a rebalance. • Containers: The array of containers that are part of the range. For the table space created using: CREATE TABLESPACE dmsfiletbspc MANAGED BY DATABASE USING (FILE '/tbspcs/cont1' 50, FILE '/tbspcs/cont2' 50, FILE '/tbspcs/cont3' 50) EXTENTSIZE 10 PREFETCHSIZE 30 the extent map would look like the following: The table space map would look like the following: Range Number  Stripe Set  Stripe Offset 0 Max Extent 11 Max Page 119 Start Stripe 0 End Stripe 3 Adj.
NOTE The partition group must exist for the table space to be created. A table space can belong to only one partition group, but a partition group can contain more than one table space. 12 shows the one-to-many relationship between partition groups and table spaces. 12. Table spaces and partition groups. Database Partition Groups A database instance is a logical database manager environment, and a database is created within a database instance. With DB2, the database may either be partitioned or nonpartitioned.