how to restore database in postgresql

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Tutorial on how to store the structure of a PostgreSQL database

If you do not start the Postgres process after you upgrade the database, and check the log to find similar information like the following: Fatal:database files are incompatible with server Detail:the Data directory is initialized by PostgreSQL

PostgreSQL backup and recovery-SQL dump

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.

PostgreSQL tutorial (13): database management details, postgresql details

PostgreSQL tutorial (13): database management details, postgresql details I. Overview: A database can be considered as a name set of an SQL object (database object). Generally, each database object (table, function, etc.) belongs to only one

Avoiding PostgreSQL Database corruption

tl;dr: Don ' t ever set Fsync=off, don ' t kill-9 The postmaster then deletepostmaster.pid, don ' t run PostgreSQL on network file systems.Reports of database corruption on the PostgreSQL mailing list is uncommon, but hardly rare. While a few data

The third chapter of PostgreSQL Replication Understanding Instant Recovery (4)

3.4 Replay Transaction logOnce we have created an initial base backup of our own, we can collect the Xlog created by the database. When the time comes, we can use all these xlog files and perform the recovery process we expect. This works as

Comparison of PostgreSQL database backup and recovery technologies

Comparison of PostgreSQL database backup and recovery technologies There are three completely different methods to back up PostgreSQL data: SQL dump File System-level backup Online backup I. SQL dump The pg_dump application tool is used to

Data export for PostgreSQL database

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

PostgreSQL tutorial (18): client commands (2), postgresql tutorial

PostgreSQL tutorial (18): client commands (2), postgresql tutorial VII. pg_dump: Pg_dump is a tool used to back up PostgreSQL databases. It can even perform a full and consistent backup when the database is being used concurrently without blocking

Pgsql database backup and restore examples

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,

Implement PostgreSQL failover in CentOS 6.5

Implement PostgreSQL failover in CentOS 6.5 Pgpool-II is an intermediate component that works between the PostgreSQL multi-server and the PostgreSQL Data Warehouse client. It provides the following functions: Connection Pool: pgpool-II is used to

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