Oracle Database 11g New Features by Robert G. Freeman

By Robert G. Freeman

Книга, написанная разработчиками Microsoft SQL Server 2005 research providers, 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 providers, механизмы интеграции многомерных и реляционных баз данных. Уделено внимание безопасности, а также администрированию Microsoft SOL Server 2005 research Services.

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Sql from the Oracle Database 10g ORACLE_HOME into the Oracle Database 11g database. sql from the Oracle Database Version 11g ORACLE_HOME in the database to update the views to the correct version of Oracle. One more issue with regard to rolling back with export/import is the issue of object compatibility. If you have started to utilize some of the features of Oracle Database 11g in your schemas and you decide you need to roll back the database to an earlier version, you might be in for a nasty surprise.

We have found in the past that things tend to change between different versions (and operating systems), and of course the specific version you are upgrading to may be different than the version we used when we wrote this book (we used the first production version of Oracle Database 11g for this book). Another thing we must mention (again) is that you need to test, test, test (we actually had 10 pages of the word “test” here, but our editor/publisher decided that might be a bit much) before you do anything else.

Figure 1-2 is an example of the DBUA window as it is upgrading a database. DBUA-Related Logging Notice at the bottom of the DBUA output shown in Figure 1-2 that the logging directory for the DBUA is listed (in our case $ORACLE_HOME/cfgtoollogs/dbua/db_ name). In this directory you will find the logs related to a DBUA upgrade. After each upgrade you should review the logs in this directory for errors after the migration is complete. Note the location of the log files in the DBUA window. The logs can be very handy in solving upgrade problems should that arise.

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