postgres switch database sql

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

1. Fully Automated backupNeed to install postgres (preferably the same version) on the backup machineIn the Postgres directory to create a password to save the file (plaintext, so confidentiality is important), if not established, because each

Operating system version[Root@web103 ~]# More/etc/issueCentOS release 5.9 (Final)Kernel \ r \m[Root@web103 ~]# Uname-aLinux web103 2.6.18-348.el5 #1 SMP Tue 8 17:53:53 EST 2013 x86_64 x86_64 x86_64 gnu/linuxdownload corresponding PostgreSQL

Create a databaseCREATEDATABASE name WITH ] [ OWNER [=] user_name ] [ TEMPLATE [=] template ] [ ENCODING [=] encoding ] [ LC_COLLATE [=] lc_collate ] [ LC_CTYPE [=] lc_ctype ]

PG Start first completes the main process and background process start, the start of the completion of the database file opening, the establishment of shared memory and so on. Next, all SQL initiates 1 separate processes to process the SQL execution.

0. Remove unnecessary tables and stored procedures from the 200 server Setup database DROP TABLE "Sensorpressure";DROP FUNCTION hex_to_int (text);DROP FUNCTION "Pressuredatatosensorpressure" (); 1. Back up 200 of the SETUPD database,:p g_dump-d-H

I. INTRODUCTION to psql is a PostgreSQL command line interactive client tool, similar to the command line tool sqlplus: 1 in Oracle allows you to interactively type SQL or commands, then they are sent to the PostgreSQL server, and then the SQL or

Seven, Pg_dump: Pg_dump is a tool for backing up the PostgreSQL database. It can even make a full, consistent backup when the database is being used concurrently, without blocking access to the database by other users. The dump format generated by

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

Accustomed to MySQL, want to try to use the next PostgreSQL, it is said that this thing is also very strong, I searched the Internet related Chinese books, but the related books are far less than MySQL, but I found in the official translation by the