Oracle Database 11g New Features by Robert G. Freeman

By Robert G. Freeman

Книга, написанная разработчиками Microsoft SQL Server 2005 research companies, дает читателю полное представление об его функционировании и устройстве. В ней рассмотрены основы многомерного анализа данных и дано глубокое представление о многомерных моделях данных и устройстве OLAP-сервера. Описаны основные концепции языка доступа к многомерным данным MDX и его расширенные возможности, а также архитектура сервера, методы обработки данных и алгоритмы доступа к данным. Приведены внутренние и ннешние протоколы обмена данными, включая протокол XML/A. Рассмотрены алгоритмы управления ресурсами research prone, в том числе алгоритмы управления памятью. Описан процесс создания эффективных клиентских приложений с использованием research prone, механизмы интеграции многомерных и реляционных баз данных. Уделено внимание безопасности, а также администрированию Microsoft SOL Server 2005 research Services.

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Sql) to display the status of the database components. Ensure that all components show a valid status. sql script from $ORACLE_HOME/rdbms/admin. This script contains upgrade related steps that do not require the database to be started in upgrade mode. sql script contained in $ORACLE_HOME/rdbms/admin. sql can be run at the same time. sql, you should make sure that no unexpected objects are still invalid. SQL that can help you make this determination might include: SELECT count(*) FROM dba_invalid_objects; SELECT distinct object_name FROM dba_invalid_objects; 5 Shut down the database.

Use the new parameter, asm_preferred_read_failure_groups, to configure the instance with a list of preferred disk failure group names to use when accessing ASM disks. failuregroupname where diskgroupname is the name of the disk group that the failure group belongs to and failuregroupname the name of the preferred failure group. fdisk2 If ASM cannot read from the preferred disk failure group, it will proceed to read from the preferred group and then from any additional failure group that might be defined.

The DBUA also gives you the option of configuring the Flash Recovery Area (FRA). This is particularly handy if you are moving from Oracle9i, which did not offer the FRA, or if you did not use the FRA in previous Oracle Database 10g databases. Another choice you will make from the DBUA is the option to recompile invalid objects after the upgrade. sql package from the SQL command line. The default option is to recompile packages, and I recommend you take this option. Finally the DBUA provides the option to backup the database (again, I prefer to do this before hand, manually).

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