postgresql restore database from sql file

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.

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

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

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

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

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

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,

1.createdb database nameGenerate Database2.DROPDB database nameDeleting a database3.CREATE User NameCreate user4.drop User NameDelete User5.SELECT usename from Pg_user;View System User Information\du7.SELECT version ();View version Information8.psql

Since all relevant report data of AEP EPM (Application run log, call list, session list), configuration information, etc. exist on the local PostgreSQL, understand the basic usage of PostgreSQL and help to improve the daily operation and maintenance

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