Oracle

1. Back up the databaseSQL> alter database backup controlfle to trace;Default backup file storage path:E: \ oracle \ product \ 10.1.0 \ admin \ orcl \ udump2. E: \ oracle \ product \ 10.1.0 \ oradata \ orclDelete the controlfie FileError message

[Oracle] trigger simple implementation goals: achieve real-time backup of uertest table data to usertest_temp, the two tables are consistent solution: use oracle trigger to achieve synchronization results: 1. Create a table [SQL] -- simple user

[Oracle] Data Guard series (3)-log application Redo application or SQL application? We know that there are two types of standby databases: Physical standby database and logical standby database. The log application of the physical standby database

The difference between delete and truncate: delete generates rollback. If you delete a table with a large amount of data, it will take up a lot of rollback segments. truncate is a DDL operation and does not generate rollback, which is faster.

Use Oracle tools, or connect the NetBeans IDE to the database and use the SQL editor of The IDE. NetBeans 7.0 currently only provides Beta or development versions, which can improve the connection to the Oracle database. Learn how to connect

Many of my friends who use mysql limit for paging to oracle do not know how to write paging. In fact, oracle paging is similar to mssql paging. Next I will introduce oracle paging statements. Simplest use The Code is as follows: Copy

This article introduces how to create a SYSADMIN instance in Fusion Application (administrator in R12). For more information, see. This blog will show you how to create SYSADMIN in EBSR12. Log on to OIM. After logging on, Click Manage. Click

This article will share with you a summary of the Sequence usage of Oracle, DB2, and PostgreSQL. I hope this method will be helpful to you. Sequence is a Sequence of numbers automatically added by the database system according to certain rules. This

Summary: Syntax and example:1. Stored ProcedureSyntax for creating a stored procedure:CREATE [or replace] PROCEDURE procedure_name[(Parameter_list)]{IS |}[Local_declarations]BEGINExecutable_statements[EXCEPTIONException_handlers]END [procedure_name];

[Problem description]Recently, using sqlplus login Short Message Oracle (Oracle training) database prompts "ORA-28000: account is locked ".[Cause/trigger factor]It is confirmed that "FAILED_LOGIN_ATTEMPTS = 10 times" is set in the default profile in

. Net remote connection to the Oracle database seems simple, but it still encountered many problems in practice. Share with you the experience I have learned about this thing today. There are many ways to access the oracle database. I provide two

1. Check the database character set: Use the following statement: Select userenv ('language ') from dual; or: Select name, value $ from props $; to view. After viewing: the character set of the database is displayed in the columns that appear.

Server Load balancer distributes the load evenly to each node in the cluster to improve overall performance. Oracle RAC provides two methods to achieve load balancing. The following is a detailed introduction. For more information, see Oracle RAC

1. select an appropriate Oracle optimizer There are three optimizer types in Oracle: A. RULE (RULE-based) B. COST (COST-based) c. CHOOSE (selectivity ). Set the default optimizer. You can declare the OPTIMIZER_MODE parameter in the init. ora file,

When monitoring, diagnosing, and processing database performance problems, time information is often an important basis for judgment. Sometimes we may use some proportions to determine the performance, but using percentages instead of time often

　　I. Overview OracleEBS is an Oracle ERP product. This product is very large and can provide powerful management functions for all aspects of the enterprise. Generally, some of its modules are used by large enterprises, depending on the nature of

How should I write SQL recursive statements in oracle databases? The following is an example of using SQL recursive statements in oracle for your reference.Example:Copy codeThe Code is as follows:Pid idA BA cA eB b1B b2C c1E e1E e3D d1Specify pid =

Check how a process executes related SQL statements in the Oracle database.Copy codeThe Code is as follows:SELECT B. SQL _text, sid, serial #, osuser, machineFROM v $ session a, v $ sqlarea BWHERE a. SQL _address = B. address;Query the SQL

After successfully installing ORACLE 10g on Red Hat Enterprise Linux Server Releae 5.5, After configuring TNS on the client, test whether you can connect to the data block Server with the error: ORA-12170: TNS: Connection timeout1: First, check

First, add the ORACLE 10g installation CD to the optical drive. If it runs automatically, the installation interface 1 appears:Figure 1Click "Start installation" to install ORACLE 10 Gb. Generally, check whether the system configuration meets the