postgresql tuning

Originally wanted to find the PostgreSQL database occupy Space Command found this blog, found that the provision of severalcommand is useful (but there are several senses that are sucks.) =), so he translated it over. In addition this article is 09, so the contents may be a little outdated, I collected the original text of useful comments on the last side. Many open source software now uses PostgreSQL as t

Since MySQL was acquired by Oracle, PostgreSQL has become the first choice for open-source relational databases.This article describes the installation and basic usage of PostgreSQL for first-time users to get started. The following is based on the Debian operating system, and the rest of the operating system is not in the balance, but most of the content should apply.First, installationFirst, install the

Label:?? ? ? ? ? ? ? ? Reference: http://book.51cto.com/art/201201/313175.htm System Architecture PostgreSQL database consists of the connection management system (System Controller), the compiled execution system, the storage management system, the transaction system, the system table, and its composition structure and relationship 2-1 are shown. The connection management system accepts the request of the external operation to the system, preprocess

Now, when talking about free databases, most people may first think of MySQL. Indeed, MySQL has been applied in many domestic fields, especially in website setup. However, PostgreSQL is actually the most powerful, rich, and complex free database. Many of its features are the predecessor of many commercial databases such as Oracle and DB2. As a matter of fact, I recently came into contact with PostgreSQL be

Document directory Use PostgreSQL database for PHP Development Use PostgreSQL database for PHP Development Author:Heiyeshuwu Use PostgreSQL database for PHP Development Note: The following content is more about how to install the environment. There is almost no actual development content. You can consider whether to read this article.

According to my knowledge, three of the four domestic databases are developed based on PostgreSQL. In addition, because of the flexible license, anyone can use, modify, and distribute PostgreSQL for free for any purpose, whether it is private, commercial, or academic research. This article only briefly introduces the installation and simple use of postgresql, and

The target of PostgreSQL is very similar to that of the current MySQL database. So what are the advantages of PostgreSQL? This article will be explained to you. This article introduces the basic concepts of PostgreSQL's transaction processing function, and explains how to execute various transactions through the PostgreSQL client and from the PHP script. Through

In this article, we use the MySQL 4.0.2-alpha to compare with PostgreSQL 7.2, because the MySQL 4.0.2-alpha begins to support the concept of the transaction, so this comparison is more advantageous for MySQL. We don't want to be just a performance test report, because at least from my point of view, stability and speed do not represent everything for a database. For a mature database, stability is certainly increasingly available. With the rapid impro

Tags: Java c language database triggers andI. Introduction of PostgreSQL1. What is PostgreSQLThe PostgreSQL database is the most powerful open source database available, supporting rich data types such as JSON jsonb type, array type, and custom types. And it provides a rich interface that can easily extend its functionality, such as the ability to implement its own index type in the gist framework, and it also supports writing custom functions, trigge

Over the past decade, Oracle has become one of the most professional databases in the world. For IT professionals, it is important to ensure that Oracle's powerful features are used to improve the productivity of their companies. One of the most effective ways to do this is through Oracle tuning. It has a large number of tuning parameters and techniques to improve the performance of your Oracle database.Ora

Note that the download is a binary version, not a Windows Installer. Http://www.enterprisedb.com/products-services-training/pgbindownload X86 download http://get.enterprisedb.com/postgresql/postgresql-9.2.4-1-windows-binaries.zipX64 download http://get.enterprisedb.com/postgresql/postgresql-9.2.4-1-windows-x64-binaries

Tags: div opd This font operating system JDBC Sock graphical rejectFirst, installation Naturally, before you can start using PostgreSQL, you must install it. PostgreSQL is probably already installed on your node because it may be included in the release of your operating system, or the system administrator has installed it. If so, you should get information about how to access

For the based service, I try to use PostgreSQL with PostGIS.You can download PostGIS from here.Http://postgis.net/sourceIt is recommended so need to download and compile yourself since there was many packages dependencies need to be Don E.Here is a tutorial which was very handy if you were using ubuntu12.04/mint13 or its derived ones.=================8x----------------------------------x8============================Http://trac.osgeo.org/postgis/wiki/U

Comparison between mysql and postgresql (for reference) bitsCN.com To understand the difference between PostgreSQL and MySQL, I searched for the keyword MySQL vs PostgreSQL and read several articles on the first page. The following is a summary:Difference between MySQL and PostgreSQL MySQL is the DBMS created by appli

Have you ever accidentally deleted a database table or damaged the disk where the database is stored? If you encounter this situation, I believe you will feel very frustrated, because the results of your hard work for a few weeks may be overwhelmed. Just like anything that contains precious data, PostgreSQL databases should also be backed up frequently. If you store data in a PostgreSQL table, you can back

DescriptionI am using the root user login at the terminal, if the non-root user, that in the command before the need to add "sudo", you understand ...First step: Install PostgreSQL under Ubuntu1. Installing with Apt-get Install[Email protected]:~# apt-get install-y postgresql-9.1 postgresql-client-9.1 postgresql-contri

Hu Xi, "Apache Kafka actual Combat" author, Beihang University Master of Computer Science, is currently a mutual gold company computing platform director, has worked in IBM, Sogou, Weibo and other companies. Domestic active Kafka code contributor.ObjectiveAlthough Apache Kafka is now fully evolved into a streaming processing platform, most users still use their core functions: Message Queuing. For how to effectively monitor and tune Kafka is a big topic, many users have such a problem, today we

threads.Of course, here are a few thread operations can set their own, the maximum recommended for the current system configuration of the logical core number, of course, the large set can be just useless.Second , index Hint hints (index Hint)The so-called index hint hint is to force the query optimizer to perform a scan of a query statement or use a specified index.In this way, we often use in the tuning of a way, many times we create the index is i