PostgreSQL uses ROLES for managing permissions. Where newdb is the name of the database you want to use. Restore (or move to new cluster) by using pg_restore -d newdb db.dump Where compress is the compression level (0 to 9) and create tells pg_dump to add commands to create the database. I have a production database I backup twice a day with a cron job using pg_dump -create -format=custom -compress=5 -file=db.dump mydatabase Pg_dump has some compression options that give you much smaller files. To dump all databases do this from the superuser account pg_dumpall > db.out The advantage of this approach is that you get all of the roles (permissions) for the cluster for free. The disadvantage to this approach is that you end up with a potentially very large text file full of SQL required to create the database and populate the data. Pg_dumpall saves all of the databases on the PostgreSQL cluster. Copying to a new database is done in two phases: Backup and Restore If you are using a GUI like pgAdmin, these commands are called behind the scenes when you execute a backup command. Pg_dump or pg_dumpall is a good way to go for copying database AND ALL THE DATA. CREATE DATABASE will fail if any other connectionĮxists when it starts otherwise, new connections to the templateĭatabase are locked out until CREATE DATABASE completes. That no other sessions can be connected to the template database while General-purpose “COPY DATABASE” facility. Specifying its name as the template, this is not (yet) intended as a Update PGADMIN4 if you are getting an error during upload with something along the lines of "archiver header 1.14 unsupported version" during restoreįrom the documentation, using createdb or CREATE DATABASE with templates is not encouraged:Īlthough it is possible to copy a database other than template1 by ![]() Now try steps 5 to 9 again, it should work outĮDIT - Some additional notes. Go to "Query Tool"Įxecute this code block: DROP SCHEMA public CASCADE CREATE SCHEMA public Should step 9 fail, try deleting your old public schema on your database. You can navigate over to your tables to see if the data has been restored propery on each table. If all is good, the bottom right should popup an indicator showing a successful restore. You'll see this page again, with the location of the file selected. Now hit the bottomright "Select" button to confirm You might have to change the filter at bottomright to "All files". Because you will run into error permissions. Make sure to select the file location manually, DO NOT drag and drop a file onto the uploader fields in pgadmin. Have said person go to pgadmin and restoreĭo this by rightclicking the database -> "restore" There might come a time your coworker wants to use your restore file on their local machine. Click the "more details" page to see where your backup downloaded toĪssuming you did steps 1 to 4 correctly, you'll have a restore binary file. There should be a popup at the bottomright of your screen. This creates a binary file dump, it's not in a. This will open up a browser tab in chrome.ĭo this by rightclicking the database -> "backup" If you use macOS you can press CMD+ SPACE and type pgadmin4 to run it. Now, we will restore the dump file that we just created into the remote server: psql -U postgres -d dvdrental -f dvdrental.Here's the whole process of creating a copying over a database using only pgadmin4 GUI (via backup and restore) Then we will copy the dump file to a remote server and we will create the dvdrental database on the remote server: CREATE DATABASE dvdrental First, we will dump the dvdrental database into a dump file e.g., dvdrental.sql: pg_dump -U postgres -O dvdrental dvdrental.sql ![]() Here we will copy the dvdrental database from the local server to the remote server. Psql -U postgres -d target_database -f source_database.sql
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