2/18/2023 0 Comments Sql tabs postgresql super user![]() It even allows you to rearrange items before they are restored, so we have a more flexible method. Pg_restore is selective about what is being restored. ![]() To connect to the PostgreSQL server through the psql ' command-line client as the postgres user, use the following command: sudo -u. However, in this case, we need to do the restore with the pg_restore tool instead of psql. This is the super-user or root user of the PostgreSQL server. If we do not want to create the database manually, we must create backups in the archive file format (custom, directory, tar) with pg_dump. Due to its ease of use, it can be used to restore the database in architecture and machine changes. The relevant database must have been created before this command is run, otherwise the objects are created in the postgres database by default. Using the script created in this way it is sufficient to run the generated sql file with psql or another tool to restore the database to its current state. Scripted dump files are plain text files that contain SQL commands required to recovery the database to the state it was in when it was saved. pg_dump file typesĭump files can be exported in script or archive file formats. Pg_dumpall is used to back up the entire cluster or to back up common objects (such as roles and tablespace) that are common to all databases in the cluster. Pg_dump does not prevent other users from accessing the database (read or write).Ī normal user can run pg_dump if he or she has been granted authority over a database. The dump files backed up by pg_dump are completely consistent because the dump is a snapshot of the data when pg_dump started running. Pg_dump is a utility used to back up the Postgresql database. In this article, we will backup and restore the PostgreSQL database using pg_dump.
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