pgsql

Environment Description:Host and IP:192.168.11.177 Main Library192.168.11.180 Standby Library192.168.11.210 VIPSystem:centos7.2PGSQL9.6 Master-Slave installed configuration complete (refer to my previous blog)Installation configuration:1.

Pgsql synchronization mode is based on the master log to do synchronization, there are two ways to synchronize, referenceHttp://www.chinaxing.org/articles/Postgres/2012/12/14/2012-12-14-hight-availability-in-postgresql.htmlPgsql logs have an

First, install (as root)1, check out the latest PostgreSQL yum configuration from http://yum.pgsqlrpms.org/reporpms/repoview/pgdg-centos.htmlThen execute the following commands after selecting the required RPM according to the versionRPM-UVH

The front-end time leader asked bandwidthd to check network traffic and asked to store the data in the database. I searched the internet for half a day and found very little information about storing bandwidthd data in postgresql, I have studied it

/* *pgsql class */ Class Pgdb { Public $pdo; public static $PDOInstance; public $config; Public $data; Public $filed = ' * '; Public $table; Public $limit; Public $order; Public $where; Public $left; Const LOGIN = 7; Const USER = 1; Const GROUP = 2;

After installing the ORAFCE plugin, Pgsql can be compatible with some of Oracle's tables, functions, and data types,ORAFCE already contains the following content　　The specific installation method is as follows:1.

Today, I learned how to use PL/pgsql to write the PostgreSQL storage process. There is really little information on the Internet. The only thing I can find is to copy it. I 'd like to copy the PostgreSQL documentation, let's talk about the problem

Data processing notes on JSON and JSONB for Pgsql1. JSON and JSONB differencesThere is no difference from the point of view of user operation, the difference is mainly the system processing (preprocessing) and time-consuming differences between

1. Download the required database version https://yum.postgresql.org/repopackages.php2. Install the database version packageYum Install-y https://download.postgresql.org/pub/repos/yum/10/redhat/rhel-7-x86_64/pgdg-centos10-10-2.noarch.rpmYum

Pgsql Syntax to_number (text, text) Example: Select to_number (TRIM (both 'ibs 'from classname), '000000') as CN from BBS order by CN/* trim (both 'ibs' from classname) remove the 'ibs 'character in the classname field */ MySQL Syntax Str *

It is convenient to save query data using JPA, in addition to adding data to your code, you can import using SQL. At the moment I only have a way to centralize the data in a single SQL file.and data in the import often has a succession of relations,

Really did not think, has been the user of PostgreSQL, suddenly need a library transplant has become the first trick! Originally it was quite different from the MySQL command line operation.Don't be afraid, but be careful, because database operation

Efficiency test of several function usages of pgsql database jsonComparison of efficiency tests on several operators of Pgsql1. Json::->> and->>Test method: A single run 100 times, run 10 single time to take average time.Test result:->> efficiency

In windows, php cannot support postgresql for postgresql beginners. if you want to install postgresql on your local computer, the environment is windows XP + apache2 + php5 (5.2.6) + postgresql8.4. everything is properly installed, but when you

Mac computer built-in PHP, but the pgsql extension is not installed. For beginners, this is undoubtedly a big challenge, because Baidu Google above although there are many tutorials, but always in a few key steps error. And many of the key points

In windows, php cannot support postgresql for postgresql beginners. if you want to install postgresql on your local computer, the environment is windows XP + apache2 + php5 (5.2.6) + postgresql8.4. everything is properly installed, however, if you

Core code: * * *pgsql class Pgdb {public $pdo; public static $PDOInstance; public $config; Public $data; Public $filed = ' * '; Public $table; Public $limit; Public $order; Public $where; Public $left; Const LOGIN = 7; Const USER

Today, a pgsql backup restore, almost no success, used to take for granted, did not seriously think behind the things, nor the process of the doubt to record, so there is no impression, common often new, this time since the meeting on the

CentOS Installation PgsqlYum installs PostgreSQL under CentOSDirectory1 Configure YUM Repository2 Install pgdg RPM file3 Install PostgreSQL4 configuration5 Initialize6 StartupSpecific steps:1.Vim/etc/yum.repos.d/centos-base.repo[Base] and [Updates]

A sample that can jump directly to the last face to view Really did not think, has been the user of PostgreSQL, suddenly need a library transplant has become the first trick! Originally it was quite different from the MySQL command line