dba

During the Oracle database operation, the DBA should monitor the database's running log and table space usage, and discover the problems in the database as early as possible. Oracle Warning log file monitoring Oracle will log some of the database

The PGA (Program Global region area) is a memory area that contains data and control information for a service process. It is created by Oracle at the start of a service process and is unshared. An Oracle process has a PGA memory area. A PGA can

Asynchronous First, talk about asynchronous IO (Aio) In HP-UX, when synchronous IO is used, this means that the previous IO must return the "successful write" information before the next write Io, and see a performance bottleneck in the synchronous

Load (load) The load command format is similar to the import, the command keyword is load, but the following arguments are much more than the import command, and the detailed usage can refer to the DB2 documentation. Loading is similar to

Jmail|jmail components Say two words: In one's most difficult time, write down this article, send to So-and-so to cheat point fee, the result is ignored, a few years later, churning hard drive to turn out. Oh, may be helpful to users who want to

A Server Management Recovery Recovery Manager, Recovery Manager, Jianchen RMAN. The RMAN implementation has been server Management recovery (Managed RECOVERY:SMR). SMR is the ability of a database to perform the operations needed to ensure the

1,binlog_cache_size and Max_binlog_cache_size Represents the cache allocated for each session In general, when inserting or modifying the data, the disk will not be written immediately, and the cache size is binlog_cache_size to control. Mysql>

Oracle 9i Predefined roles Table 8.2 Oracle 9i Predefined roles Role name Description CONNECT Database connection role, used to connect to a database, with the right to create clusters, database links, sequences,

Oracle Database users manage Oracle permissions settings I. Classification of authority: System permissions: The system requires users to use the database permissions. (System permissions are for users). Entity permissions: The access rights of a

Oracle Author: Shiley Time: 2002-5-20 ------------------------------------------------------------------------------- System configuration: CPU: ram:256m Objective: To install the Oracle 8.1.7.0.1 Release 3 Enterprise version database server under

I. GENERAL monitoring 1. Monitor the database warning log. Alert.log, do backup and delete regularly. 2. Linstener.log's monitoring,/network/admin/linstener.ora. 3. Redo Log State Monitoring, paying attention to the view v$log,v$logfile, which

Oracle installation includes both the Enterprise server and the client side, and users can choose different parts of the installation according to the actual situation. here on the enterprise server side as the main introduction object, the client'

Whether you are developing a DBA or maintaining a DBA, you are always more or less encountering SQL execution efficiencies or SQL tuning issues, and it is necessary to view the execution plan. Generally we can view in 3 ways: First, explain plan

#用户设置 GROUPADD-G 1000 Oinstall GROUPADD-G 1100 dba Useradd-u 1001-g oinstall-g dba Oracle Mkdir-p/oracle Chown-r oracle:oinstall/oracle Chmod-r 755/oracle Mkdir-p/kk #修改环境变量配置 Export Oracle_base=/oracle Export Oracle_home= $ORACLE

Finally put OCP DBA's course all finished, tired Ah! Overall Oracle certification is worth the test. I have CCNP, MCSE certificate, but through the DBA examination, feel not only deepened the understanding of modern databases, but also enrich the

1.MySQL 5.1 stored programs and functions work on replication? Yes, the standard behavior performed in stored programs and functions is copied from the primary MySQL server to the from server. 2. Can the stored programs and functions created on

Oracle Recommend some classic Oracle books to everyone: Http://www.eygle.com/index-book.htm Oracle8i Internal Services by Steve Adams The classic of Steve Adams ... An in-depth discussion of Oracle's internal mechanisms and principles is an in-

Part Two: The practice of Dynamic Business application construction--The story of two adaptive systems Productivity improvement is the basic component of the improvement of living standard. The experience of the United States shows that the strong

Error | Address Today field staff report in imp a DMP file times exceeds the maximum number of cursors for errors, ora-01000:maximum open cursors exceeded. Asked about the basic situation, on the Metalink check, IMP did not mention any of the ORA-010

Today, what kind of code is bad code, how to find out these bad code. Quite a few apes in spit-rotten code. But what we're talking about today is not bad code, it just needs to change a little bit, get rid of its bad, he's still good code. And bad