database capacity planning oracle

software and hardware configuration: To facilitate the installation of the RAC database, we recommend that you select the following system package when installing the operating system: Desktop environment: xwindows system and GNOME desktop environment. Development tools: development tools, x software development, gnome software development, and kde software development. For more detailed topology information, see The

Tags: style blog http color using OS strong fileToad for Oracle installation package: Http://pan.baidu.com/s/1mgBOLZUAccessing database objects and writing SQL programs is a tedious and time-consuming task in the development of Oracle applications, and it takes a lot of SQL scripts to manage the database on a daily bas

Since Oracle database backups are available in three ways, each with different recovery characteristics, you should integrate database and file system backups, integrate logical and physical backups. First, backup strategy 1. At the operating system level, with a large-capacity disk array, each

Oracle partnered with Hewlett-Packard to launch the first hardware product, database equipment. Oracle CEO Larry Elllison said the product is suitable for high-end, high-performance data warehouse applications.At the Oracle Open World Conference, Ellison said in a keynote speech that HP

to the index of this program planning, you can promptly reclaim those unused space, improve space utilization. Iii. Defragmentation of segments When a database object is generated (a table or an index), the table space is specified for it either by the user's default value or by the specified value. A segment generated in a tablespace that is used to store related data for an object. The space allocated by

The two concepts that are easily confusing for first-contact Oracle databases are Oracle instances and Oracle databases. These two concepts are different from instances and databases under SQL Sever, and of course there are similarities. Just in SQL Server we don't need to spend too much effort figuring out SQL instances and databases because it's easy to underst

capacity is limited and cannot exceed the size of the shared pool, and Oracle uses the LRU algorithm to manage the library cache.Data dictionary caching: A data dictionary-related buffer that stores data files, tables, indexes, columns, users, permission information, and other definitions of database objects. is to put the relevant data dictionary information in

Oracle Database indexes are the structures on disks associated with tables or views. We can retrieve rows from tables or views more quickly. Oracle Database indexes mainly contain keys generated by one or more columns in a table or related view. These keys are stored in a structure (B tree ). 1. Index in SQL Server So

oracle| Data | Several situations of database manipulating Oracle database LOB fields through JDBC Software production Center rain also odd 2003-6-10 15:14:19 In Oracle, fields for LOB (Large object, large objects) types are now used more and more. Because of this type of fi

First, IntroductionUltra-large systems are characterized by: 1, the number of users are generally more than million, and some more than tens of millions of data, the database generally more than 1TB; 2, the system must provide real-time response functions, the system needs to operate without downtime, the system requires a high availability and scalability. In order to meet the above requirements, in addition to the need for superior performance of th

Oracle databases are favored by more and more enterprises for their high reliability, security, and compatibility. Many database administrators are concerned about how to maintain excellent performance of Oracle databases. Based on my experience, we suggest you consider the following aspects. I. Partitioning Based on actual experience, the vast majority of data s

Plan tables and storage spaces to prevent space shortages or wasted space Plan for a quick recovery zone, define the fast recovery zone in a different storage area from the data file, reducing IO contention Name of the planning database, Db_name,db_main,sid Planning parameters within the SPFile Pla