postgres function loop

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POSTGRES-XL Cluster construction and testing

POSTGRES-XL Cluster construction and testing CentOS6.5 192.168.0.101 CentOS6.5 192.168.0.102 CentOS6.5 192.168.0.103 CentOS6.5 192.168.0.104 First, host planning Cnode1 (GTM) cnode2 (Gtm_proxy,coordinator,datanode) cnode3

Discovering the computer science Behind Postgres Indexes

The last in a series of Postgres posts, Pat Shaughnessy wrote based on he presentation at the Barcelona Ruby Conference. You can also watch the video recording of the presentation. The series was originally published in his personal blog, and we is

Postgres Start-Up process analysis

Learn the PG start-up process today.The start command for pg./bin/postgres-d Path/to/data.1. Subject monitoring ProcessThe postmaster process enters an infinite loop, waiting for the client to request and provide the requested service. In an

Introduction to PostgreSQL online logical backup and recovery

BackgroundPostgreSQL logical backup, refers to online backup database data, DDL output as SQL statements, data can be in the form of SQL statements or fixed separators (row format) output. The backup does not affect the DML operation of the Backup

PostgreSQL Tutorial (14): Database Maintenance _postgresql

First, restore disk space: In PostgreSQL, data rows that are deleted or updated using the Delete and UPDATE statements are not actually deleted, but only the state of the row is deleted or expired on the physical address of the old version of the

PostgreSQL Study Notes (12) Database Maintenance

I. restore disk space 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

PostgreSQL Architecture Summary

?? ? ? ? ? ? ? ?Reference: http://book.51cto.com/art/201201/313175.htmSystem ArchitecturePostgreSQL database consists of the connection management system (System Controller), the compiled execution system, the storage management system, the

PostgreSQL compilation installation and commissioning (ii)

After the previous text PostgreSQL compilation installation and debugging (a), continue to talk about the installation and debugging PostgreSQL.The previous article explained how to compile and install PostgreSQL on a Linux system, and this time

MyBatis Call Postgres Custom function to implement batch update solution __ function

Objective The title, to provide a batch update solution, not necessarily optimal, is only a solution to the problem of ideas, nonsense not to say the following specific look at the application scenarios and detailed solution steps ~ Application

Installation configuration and basic use of Centos/rhel 7 on PostgreSQL

Install PostgreSQL 9.6 For example:?InstallationInstall the repository RPMYum Install https://download.postgresql.org/pub/repos/yum/9.6/redhat/rhel-7-x86_64/pgdg-redhat96-9.6-3.noarch.rpmInstall the client PackagesYum Install postgresql96Install the

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