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Database Emergency Recovery documentation Revision history DateDate Revision revision version Modify DescriptionChange Description AuthorAuthor 2008-07-06 1.0 Formatting Ultrasql

ORA-16456 error, because the slave database is not mounted and the master database to perform switching, detailed solution If you need to switch the master database to the slave database, the prerequisites are: (1) The standby database must be in

1. Relational database A relational database is a database that uses a relational model to organize data. The relational model was first proposed by IBM researcher Dr. E.f.codd in 1970, and in the following decades the concept of the relational

What do you do if you want to analyze data in the database at a specific time? For example, what measures do you take if you want to analyze the data at pm? The most frequently used method is to create a scheduled task, perform a backup at, and back

Oracle databases are heavyweight, and their management is very complicated. Sort out the steps for starting and disabling Oracle databases on the Linux platform. After installing Oracle, you need to create an ORACLE System User and add several

We design relational database schemas with a complete set of solutions, but NoSQL does not. Half a year ago I read this "SQL anti-mode" book, feel very good. Just start to notice, is there an inverse pattern for nosql? A good counter pattern can be

Original address: https://www.admin5.com/article/20180419/845680.shtmlAs a veteran of the database industry, I have seen that in the boom of blockchain technology, traditional IT technology students have maintained a very rational, even repulsive

Today, large enterprises such as financial enterprises and banks, in the next generation of micro-service architecture transformation requirements, the need for basic software and data platform to achieve native cloud, to meet the needs of

PostgreSQL Advantage2016-10-20 21:36 686 People read comments (0) favorite reports Classification:MySQL Database (5)PostgreSQL is a free object-relational database server (database management system), which is very powerful. Includes support for

Database Paradigm--easy to understand "turn"(2012-04-02 21:15:43)Database paradigm is an essential knowledge in database design, and without the understanding of paradigm, it is impossible to design a database with high efficiency and elegance. Even

How to convert a backup SQLServer database to an SQLite Database: first install SQLServer2005 and remember the username and password you set during installation. For more information, see, this article may be helpful to you How to convert a backup

The ORACLE tutorial is to optimize the Oracle downtime and database recovery. Here we will discuss the steps to minimize Oracle downtime. Various types of downtime-planned or unplanned-always happen. a dba should have the correct backup policy so

With the rapid development of the Internet and the endless emergence of e-commerce websites, website development efficiency and quality are increasingly demanding. For large websites with complex structures and rich content, dynamic and

1. Build a physical standby Database 2. Stop redo applications on the physical standby database. If the standby database is RAC, all instances other than the following statements must be stopped. SQL> alter database recover managed standby database

The database backup solution on the MySQL platform details how to back up your database when the database table is lost or damaged. In the event of a system crash, you must be able to restore as much data as possible from your table to the state at

Optimize Oracle downtime and database recovery Optimize Oracle downtime and database recovery The ORACLE tutorial is to optimize the Oracle downtime and database recovery. Here we will discuss the steps to minimize Oracle downtime. Various types of

It is important to back up your database when database tables are lost or damaged. In the event of a system crash, you must be able to restore as much data as possible from your table to the state at the time of the crash. Sometimes it is the MySQL

In the current rapid development of the Internet, e-commerce sites in endless situation, the Web site development efficiency and quality has put forward more and more high requirements. For large-scale and complex structure, the content of a wide

It is important to back up your database if your database tables are missing or corrupted. If a system crash occurs, you will want to be able to recover as few data from your table as possible to the state at which the crash occurred. Sometimes it

This semester has studied the database this course, altogether four times on the machine, 8 on the machine test, are relatively basic, and now a few times on the machine test and individual to do the results of writing, hoping to just learn to help