[Disclaimer: This article is a study of the famous Oracle DBA Mr. Gai's masterpiece, "In-depth analysis of ORACLE--DBA introductory step and diagnosis case," the study notes and experience. In this statement, the text extracts some of the contents of the book, not for the purpose of plagiarism, but on the impression that Mr. Gai wrote really classic. In this statement to the original author of respect and a
Label:Oracle 11G RAC cluster installation (vii)
Overview: write down the original intent and motivation of this document, derived from the Oracle Basic operating Manual of the previous article. The Oracle Basic Operations Manual is a summary of the author's vacation on Oracle's foundational knowledge learning. Then form a summary of the system, a review review, the other is easy to use. This docume
Oracle log performance and Principle Analysis, oracle log
Introduction to Oracle log performance and Analysis of Its principles
1) Consistency and Performance
Logs are a core component of all databases.
It is related to database data consistency.
Currently, we can see several databases
Oracle, sqlserver, mysql, db2, a
).
Oracleserviceorcl:Database Service (database instance) is the core service of Oracle. It is the basis for database startup. Only when the service is started can the Oracle database be started normally. (Must be started)
What services need to be started during development?
For beginners, if you only use the SQL * Plus provided by Oracle, you only need to start
[Oracle Notes] 1. Oracle architecture, oracle routine is a database access tool, composed of a memory structure and background process, always open one, and can only open one
[Oracle Notes] 1. Oracle architecture, oracle routine i
Document directory
Oracle pagination tips
Oracle pagination tips
Oracle tips by Vikas Rajan atrey
Also see these important notes on estimating the maximum results from a paginated Oracle SQL query.
Invariably while developing data intensive Web applications we come into ss the requirementPagination.The term "pagina
Oracle shared service connects to static registration service, oracle static
Oracle shared service connection static registration service
By default, the oracle shared service is registered to the dynamic registration service.Sys @ PROD3> select * from v $ version where rownum = 1;
BANNERCertificate -------------------
Oracle has been installed many times in both Linux and Solaris, and almost never succeeded. At the beginning of the installation, I couldn't even see the installation page. Later, I can see the installation page. Some errors will be reported during the installation process. After the installation is complete, the service cannot be started. Recently, the installation was successful under Solaris and no error was reported. Please share with us.
Operatin
The random relationship between SQLServer and Oracle corresponds to sqlserveroracle
The requirements are as follows:
Now we need to complete the singing fields in tb1. The condition is to search for songs sung by the same artist in tb2 and randomly fill in the Song Name field in tb1.A singer sings more than one song, so tb2 is a collection of artist singing all the songs. The same singer in tb1 may appear several times.In addition, you need to search
When operating the Oracle view through DML, a very important condition is that the base table to be operated must be a key-preserved table.So what is the key-preserved table? Oracle defines it:A table is key preserved if every key of the table can also be a key of the result of the join.It is not necessary that the key or keys of a table be selected for it to be key preserved.
It is sufficient that if the k
Oracle tutorial pl/SQL introduction, oracle tutorial plsql
This example describes Oracle pl/SQL. We will share this with you for your reference. The details are as follows:
I. What is pl/SQL?
Pl/SQL (procedural language/SQL) is an extension of oracle in the standard SQL language.
Pl/SQL not only allows embedding SQL la
Summary of Common commands used to execute scripts in oracle databases and common commands used in oracle
1. Execute an SQL script file
The Code is as follows:Sqlplus user/pass @ servicename OrSQL> start file_namesOrSQL> @ file_name
We can save multiple SQL statements in a text file, so that when we want to execute all the SQL statements in this file, we can use any of the following commands, which is simil
Label:You can now run Oracle e-business Suite on Oracle Cloud. EBS customers can take advantage of rapid environment provisioning, elastic infrastructure this scales up on demand, and a Pay-As-You-Go model to reduce capital expenditures. EBS customers has the option of deploying their EBS 12.1.3 and 12.2 environments on the Oracle Compute Cloud Service, and Optio
Oracle static listener registration details, oracle details
Oracle static listener registration details
There are a lot of articles on oracle listening for static registration on the Internet, but most of them are a simple example, there is no detailed example. Here, we will give a specific example using
Cache fusion Technology and main background process (iv)
Overview: write down the original intent and motivation of this document, derived from the Oracle Basic operating Manual of the previous article. The Oracle Basic Operations Manual is a summary of the author's vacation on Oracle's foundational knowledge learning. Then form a summary of the system, a review review, the other is easy to use. Th
Does the Oracle client need to be installed when php accesses a remote Oracle server? When php accesses a remote Oracle database server, does the php server need to install the Oracle client? ------ Solution ------------------ the server on which your php resides is installed with a client. For example, in linux, it mu
Oracle performance optimization and oracle database performance optimization
(1)Select the most efficient table name sequence (valid only in the rule-based Optimizer ):The ORACLE parser processes the table names in the FROM clause in the order FROM right to left. The table written in the FROM clause (basic table driving table) will be processed first, when the FR
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.