DB2 for the ORACLE DBA - GSE Belux

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Oracle •Control files are like BSDS or Recovery History File Every Oracle database has a control file. A control file contains entries that specify the physical structure of the database: •Database name •Names and locations of datafiles and redo log files •Time stamp of database creation DB2 •On a single machine, one or more instances can exist •DB2 Administration Server (DAS) •Enables remote administration of DB2 servers •Provides scheduler used to schedule local and remote jobs •Provides a mechanism for DB2 discovery to return information to remote clients •Can connect to one or more databases at the same time on different instances and/or machines • Cannot have SQL statements joining tables from different databases. • Database Manager Configuration file •created when an instance is created •parameters affect system wide resources at the product or instance level •parameters can be changed from system default values improve performance or increase capacity. • Database Configuration file •one config file is created when the database is created •specifies amount of resources to be allocated to the database 10
9i allows 4,18,16, 32 pages 11
Page 1 and 2: Many DBA’s are being required to
Page 3 and 4: Roles - Grouping of authorizaitons
Page 5 and 6: Oracle •V$ views used like snapsh
Page 7 and 8: Oracle PL/SQL requires a C compiler
Page 9: DB2 2 configuration files Database
Page 13 and 14: Cooked - Formatted by O/S Raw - Nat
Page 17 and 18: Datafile A tablespace in an Oracle
Page 19 and 20: Oracle Partitioning very much like
Page 21 and 22: Function based- Index which perform
Page 24 and 25: Choose will check if stats exist an
Page 26 and 27: Oracle Very similar to z/OS DB2 LUW
Page 28: Analyze = Runstats DB_Verify = RMAN
Page 31 and 32: Oracle Control file is a small bina
Page 33 and 34: Supports both crash and version typ
Page 35 and 36: Archive Mode Automatic - To current
Page 39: Compatibility Vector Options •ROW
Page 46: Jim Wankowski has more than 26 year

DB2 for the ORACLE DBA - GSE Belux

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