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How to backup and restore PostgreSQL database using PG _ dump?
pg_dump is an effective tool to backup postgres database. It creates a *.sql file with CREATE TABLE, ALTER TABLE, and COPY SQL statements of source database. To restore these dumps psql command is enough.
How to restore from text files in PostgreSQL?
For restoring from text files, use psql command: psql -e -d template1 -f “C:\\Users\\mchan\\Desktop\\MyDB\\DBBackup.backup” Refer to this post on Postgresql’s Community page. Username should be a role defined in the database.
Are there any errors in restoring a database with pgadmin?
Errors while restoring the database using pgAdmin Although the restore process looks quite straight-forward, often users face errors with Postgresql databases. Now, let’s discuss a few errors while restoring the database in pgAdmin. Usually, missing privileges while restoring, redundant files while uninstalling, etc. results in errors.
When to use PSQL to restore a text dump?
At times we will encounter the following error message. pg_restore: [archiver] input file appears to be a text format dump. Please use psql. This error message is seen when the user tries to restore a text-based dump file using the pg_restore tool. Usually, the pg_dump tool creates a dump file in text format.
How to restore from a script in PostgreSQL?
To restore from such a script, feed it to psql (1). Script files can be used to reconstruct the database even on other machines and other architectures; with some modifications even on other SQL database products. The alternative archive file formats must be used with pg_restore (1) to rebuild the database.
Where can I find a PostgreSQL script dump?
Your first source of reference should be the man page pg_dump (1) as that is what creates the dump itself. It says: Dumps can be output in script or archive file formats. Script dumps are plain-text files containing the SQL commands required to reconstruct the database to the state it was in at the time it was saved.
Can a Postgres database be restored to another database?
If you don’t use an explicit template, PostgreSQL will assume template1, and if it has some objects, like a table or function that your dumped database already has, you will get some errors while restoring. Nonetheless, even if you were restoring on a database with the same name ( zeus_development) you should create (or recreate) it the same way.