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
Backup and restore are most important when you are transporting a database. Today, we tested backup and restore using Pg_dumpall.
Backup Restore method: Pg_dump and Pg_restore, first carefully explain these two commands
Back up the database,
Postgres Database backup:Pg_dump [OPTION] ... [DBNAME]/USR/PGSQL-9.4/BIN/PGdump-fc-h 127.0.0.1-upostgres database name >/var/pgsqlback/ruleplatform.sql. '/bin/date + '%Y %b%d%h%m "#pg_dump is to back up the database directives#-F Where to put the
The following list only gives the simplest usage of backup and recovery of each database, more detailed parameters and configuration please refer to the relevant informationFirst, MySQL:Parameter description:
$user
$password
Mysql, sqlsever, oracle, redis, mongo, postgres and other database backup and recovery commands, sqlseverredis
The following is a simple example of how to back up and restore each database. For more detailed parameters and configurations, refer to
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
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
first, the use of Pg_dump:Import and export of databases is one of the most commonly used features, each of which provides tools for this, such as Oracle's Exp/imp,informix Dbexp/dbimp,mysql mysqldump, and PostgreSQL provides a corresponding tool
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
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