postgresql database replication

PostgreSQL tutorial (14): database maintenance, postgresql tutorial I. Disk Space Restoration: In PostgreSQL, the data rows deleted or updated using the delete and update statements are not actually deleted, the physical address of the old data row sets the row status to deleted or expired. Therefore, when data in a da

Install the open source database PostgreSQL 9.4 and phpPgAdmin on UbuntuIntroduction PostgreSQL is a powerful, open-source, and Object-based relational database system. It supports all mainstream operating systems, including Linux, Unix (AIX, BSD, HP-UX, sgi irix, Mac OS, Solaris, Tru64) and Windows operating systems.

1. DownloadGo to the official website to download the latest PostgreSQL Studio, I downloaded Pgstudio_1.2-bin zip, because there is no Tomcat on my computer.Suppose you have a computer with Tomcat configured to download Pgstudio_1.2.zip and then a war package after decompression.: http://www.postgresqlstudio.org/download/2. UnzipUnzip the compressed file to see, for example, the following folder:3. ImplementationExecute under the Bin folder to start T

Tags: current cannot grammar GRE AST extension images Development framework COMRecently prepared for PostgreSQL database development related knowledge, this article summarizes the PPT content through the blog record sharing, this essay's main content is to introduce the PostgreSQL database basic information, and how to

Global Database ranking in December: PostgreSQL steadily increases and postgresql steadily increases Author: Zhou Qi DB-Engines released the database ranking for January. Among the top 20 databases, Oracle ranked first, with Cassandra ranking 9th catching up with Redis ranking 8th, and SAP Adaptive Server ranking 14t

Tags: mysql database replication primary master replication Master-slave replication semi-synchronous replication--------------MySQL to implement the database master-slave replication A

1. Download To the website to download the latest PostgreSQL Studio, I downloaded pgstudio_1.2-bin. zip because there are no Tomcat in my computer. If the computer has a good configuration of tomcat, you can download Pgstudio_1.2.zip, after decompression is a war package. Download Address: http://www.postgresqlstudio.org/download/ 2. Decompression Unzip the compressed file to see the following directory: 3. Run Run in Bin directory: ./catal

Postgresql database import and export, postgresql Import and ExportExport a remote database 1. Export the threshold table structure and data to the file threshold. SQL from the database monitor on the remote database IP Address: p

many management features, point-in-time Recovery (PITR) is a great feature, a flexible, high-availability feature that provides the ability to create hot backups for failed restores, as well as snapshots and restores. But it's not all PostgreSQL, and the project provides several ways to manage PostgreSQL for high availability, load balancing, and replication, so

Label:Introduced:In a running database-driven application, SQL replication can solve many problems. Because the Send/subscribe pattern is not very easy to understand, the complex scripting language and the Monitoring replication system also need some thought in it. I hope that in the next few chapters can be as far as possible the basic principles and operations

This article is the first of a series of TimesTen database replication.What is replicationReplication is the existence of multiple copies of data in multiple databases, with minimal performance impact while ensuring high data availability, balancing workloads in addition to data recovery to maximize performance and enable rolling upgrades and maintenanceTT replication is implemented in both the master and S

Introduction:In a running database-driven application, SQL replication can solve many problems. Because the Send/subscribe pattern is not very easy to understand, the complex scripting language and the Monitoring replication system also need some thought in it. I hope that in the next few chapters can be as far as possible the basic principles and operations elab

Sybase Replication Server Application Plan VI Replication servers support the replication of data between Sybase and non-Sybase databases, such as the Sybase replication agent, to obtain update transactions on the DB2 database on the IBM host and replicate to ASE's

Replication between mysql tables, the same database and different databases, mysql table replication Database Mysql statement We can first export the structure of table t1 under test, and then create a new table test1.t1. Execute the following statement Insert into test1.t1 select * from test. t1 limit 2 (limit)

tl;dr: Don ' t ever set Fsync=off, don ' t kill-9 The postmaster then deletepostmaster.pid, don ' t run PostgreSQL on network file systems.Reports of database corruption on the PostgreSQL mailing list is uncommon, but hardly rare. While a few data corruption issues has been found in PostgreSQL over the years, the vast

Tags: style class blog Code http Tar1. DownloadGo to the official website to download the latest PostgreSQL Studio, I downloaded the pgstudio_1.2-bin zip, because there is no Tomcat on my computer.If you have tomcat configured on your computer, you can download Pgstudio_1.2.zip, which is a war package after decompression.: http://www.postgresqlstudio.org/download/2. UnzipUnzip the compressed file, you can see the following directory:3. RunningRun in t

dump includes files (such as/usr/local/pgsql/data) and tablespaces in the directory of all database clusters. ------------------------------------ Lili split line ------------------------------------ Install PostgreSQL 6.3 on yum in CentOS 9.3 PostgreSQL cache details Compiling PostgreSQL on Windows Configuration and

Postgres-XL: PostgreSQL-based open-source scalable Database Cluster,Postgres-XL: PostgreSQL-based open-source scalable Database ClusterIn the past year, IOE has become more and more popular in the industry. Many traditional enterprises have also placed their "IOE" plans on their desktops. I have always wondered why the

community began to flourish, 　　Up to now, there are over 1000 contributors and 30,000 members. 　　The key advantage of the greater community is that the interaction between users and developers is more frequent, and users can even directly participate in the design of new features, which is also a model for other open source communities to emulate. MySQL community originally originated from the business world, MySQL was born in 1994 in Sweden, as a high-speed

OverviewFor replication with a cache group, the recommended replication policy is Active-standby (A/S) pair. Because it replicates the entire library, replication and recovery are both straightforward and straightforward, and error switching and recovery are automatic.ASP replication with AWT cache Group-Single siteThi