oracle database patching strategy

Backup strategy for customer deployment, replacing important information related to customers Database backup Scenario Deployment process: Considering that the system is a high-availability system (7x24), it uses Rman to warm up the DB, and the specific backup steps are deployed as follows: 1. Change DB to archive mode, with 2-node archive logs in their respective/orabak/archlog directories 2. Put the D

, and the Web application server and database server do their part, and the application server and database server can be upgraded separately when the system traffic increases, which is typical deployment of small-scale web sites in general. In the case of performance optimizations for applications and the use of database object caching policies, it is possible t

Explore Oracle Database Upgrade 4 11.2.0.4.0PSU11.2.0.4.3 Explore Oracle Database Upgrade 411.2.0.4.0 PSU 11.2.0.4.3 1. Check the current database PSU Number: [oracle@db01 ~]$ cd/DBSoft/Product/11.2.4/db_1/OPatch/[

server can be upgraded separately when the system traffic increases, which is typical deployment of small-scale web sites in general. In the case of performance optimizations for applications and the use of database object caching policies, it is possible to host a large amount of traffic, such as 2000 users, 200 concurrent, and millions of data.3. The database server is deployed in a clustered manner (suc

Tags: databases oracle SQL DB databaseThe great God's own detour , a good memory than rotten pen, with half a month to write down the Oracle database series, basically covers all development and database maintenance of all aspects of daily. Because also useful outliner write, Windows users should not see, so send pictu

a string of 32-bit 16-digit digits. GUID Use database-generated GUID strings in MS SQL Server and MySQL. Native Select one of the identity, sequence, or Hilo based on the capabilities of the underlying database. Assigned have the application assign an identifier to the object before calling save (). This is the default build policy when the Select a row of some unique primary key through the

This is an issue that the company's research and development team discovered about database indexing failures, and our engineers analyzed and solved the problem and wrote the summary. In the final Jiede or the development framework and technical application of the grasp of flaws, but the individual feel in the analysis of the problem--Find out the reason---the solution of the idea and strategy of this artic

int type class because it is too intuitive to cause unnecessary inconvenience to maintenance and does not bring any benefit. 2: Fair use index 3: Caching mechanism 4: Use explain to make your select query clearer 5: Use limit 1 to get unique rows 6: Try to avoid the SELECT * command 7: Use enum instead of varchar 8: Use not NULL as much as possibleThe NULL type is special and SQL is difficult to optimize. Although the MySQL null type differs from the null of

assistance to directly check the table and data.SolutionsThere are a number of solutions: it can be a perfect monitoring program code; The solution here is to write a bat script that is placed on the computer's desktop to assist the OPS staff.effect BAT Check the GPS system location data Desktop effectOPS people can see the data effects of the database by double-clicking the bat file BAT Check GPS system location Data Execution effectimplementation S

; ' BANK ', Object_name=> ' ACCOUNTS ', Audit_column => ' BALANCE ', Audit_condition => ' BALANCE >= 11000 ', Policy_name=> ' accounts_access '); End / Select BALANCE from Bank.accounts; This article URL address: http://www.bianceng.cn/database/Oracle/201410/45449.htm Select Timestamp, db_user,os_user,object_schema,object_name,sql_text from Dba_fga_audit_trail; (2) Management FGA

, each time to the database will write twice times the data, read the main dependency on the performance of the split table, the general table for the implementation of the difficult to implement after the completion of the function and for daily scheduled backups, and the total table and the table is a complete backup of each other, any one of the broken table or data is not normal, You can read the correct data from the master table and restore it,

Explore Oracle Database Upgrade 5 PSU11.2.0.4.3 rollback 11.2.0.4.0 and oracle Database UpgradeExplore Oracle Database Upgrade 5 PSU11.2.0.4.3 rollback 11.2.0.4.0 1. Enter the PSU directory and run opatch rollback. [root@db01~]#

patching approach for each system Oracle has also released "Combo" patches this bundle the OJVM PSU in the same ZIP file as DB PSU and/or GI PSU for EAS E of Download. The OJVM component in these "Combo" patches are in a separate subdirectory with its own install steps still required. October "Combo" patches do not include the JDBC Patch. was applicable to all

Tags: and PNG ges releases URI span RAS OAL MarketOverviewBeginning in July, Oracle have transitioned to a more flexible and responsive strategy for the database software RElease process. these changes only affect Database and Grid Infrastructure release 12.2 or later. The primary goals of this

, and prevents users from accessing unauthorized data. The database entity Access Audit mechanism is provided so that the database administrator can monitor the data access and system resource usage in the database. Use the view mechanism to restrict access to the rows and columns collection of the base table. Security stra