I want sql script of postgres 9 database schema which is not on local server. I tried pg_dump command on sql editor of pgAdmin and its not working there. I m not sure where to run that command. Please assist me with the same....
Thanks..
pg_dump is a command line utility; it isn't SQL, so it won't work in pgAdmin or anywhere else that executes SQL.
pgAdmin however does have a facility to do what you want:
Right-click on the database you want to export
Select Backup from the pop-up menu
Chose "format" Plain
Chose "plain option" Only schema
You can also use pgAdmin tool to generate or take plain text Database Backup.
You can generate plain text backup for data or schema only.
I have shared few screen shots, please visit this blog for more details.
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This question already has answers here:
Export and import table dump (.sql) using pgAdmin
(6 answers)
Closed 1 year ago.
Let I first state that I am not a DBA-guy but I do have a question regarding restoring remote databases using PG Admin.
I have this PG Admin tool (v4.27) running in a Docker container and I use this portal to maintain two separate Postgress databases, both running in a Docker container as well. I installed PG Agent in both database containers and run scheduled daily backup's, defined via PG Admin and stored in the container of each corresponding databases. So far so good.
Now I want to restore one of these databases by using the latest daily backup file (*.sql), but the Restore Dialog of PG Admin only looks for files stored locally (the PG Admin container)?
Whatever I tried or searched for on the internet, to me it seems not possible to show a list of remote backup files in PG Admin or run manually a remote SQL file. Is this even possible in PG Admin? Running psql in the query editor is not possible (duh ...) and due to not finding the remote SQL-restore file I have no clue how to run this code within PG Admin on the remote corresponding database container.
The one and only solution so far I can think of, is scheduling a restore which has no calendar and should be triggered manually when needed, but it's not the prettiest solution.
Do I miss something or did I overlook the right documentation or have I created a silly, unmaintainable solution?
Thanks in advance for thinking along and kind regards,
Aad Dijksman
You cannot restore a plain format dump (an SQL script) with pgAdmin. You will have to use psql, the command line client.
COPY statements and data are mixed in such a dump, and that would make pgAdmin choke.
The solution by #Laurenz Albe points out that it is best to use the command line psql here, and that would be my first go-to.
However, if for whatever reason you don't have access to the command line and are only able to connect to this database via pgadmin, there is another solution which you can find here:
Export and import table dump (.sql) using pgAdmin
I recommend looking at the solution by Tomas Greif.
I have a sample database from this tutorial. I want to work with this database in Dbeaver. When I provide a path to the database in Dbeaver I get an error.
What is the procedure to work with the database in Dbeaver?
Install pgAdmin and follow the tutorial you linked. Following, expand the Databases tab in the left. There you will see all the available databases. There should be the one you have imported - probably named "dvdrental" or so. Then just type in the database name in the Database field in dbeaver
I have a "cinema" DB in postgres and I want to dump all its tables and data in a cinema.sql file.
This file will contain all the sql code for re-creating the schema, tables and filling them with the data.
I already have a bank.sql file (for the "bank" DB) which I can execute via PSQL console in pg Admin III and import using the command
/i *path to my bank.sql file*
Now, I want to produce a cinema.sql file like bank.sql, but I don't know how to do it.
It's not the backup/restore feature of course, because it produces a .backup file.
I've also tried
pg dump > cinema.dump
In PSQL console but I can't find a .sql file anywhere, so I don't think it is what I'm looking for either.
Couldn't find anything useful for what I need in Postgres documentation unfortunately so I hope you can help me because I'm just a beginner.
Thanks.
As mentioned in the comments and the documentation, you should use pg_dump command line tool.
pg_dump cinema > cinema.sql
I've made it! Don't know if it's the 100% right way to do it, though, but I think it is.
I'll report here just in case someone else might need this in the future and it can be of help.
I selected the db I wanted to dump in .sql file and then right click -> backup.
Here, as format, I chose plain instead of custom, and "mydbdump.sql" as file name.
In Dump Options #1 and Dump Options #2 I checked the checkboxes to include everything I needed (e.g. "include CREATE DATABASE statement").
I compared this newly created .sql dump with the one I already had (using Notepad++) and they look the same (even if, of course, they are from different dbs).
I downloaded a .pgbackup file but couldn't find information on how to load it into a local db.
The forum I grabbed it from is not very responsive too.
Thank you in advance!
Use pg_restore as per the docs
You can use PgAdmin-III to restore a backup too, there's a "Restore" option in the menus. You have to select a database to restore into in order for this option to be enabled, or you can select the "postgres" database and check the option to create a new database for the restored DB in the restore options dialog.
It's also possible that you're dealing with an ordinary SQL dump. If so, you can load it with the command-line psql tool. There is no way I know of to restore an SQL dump via PgAdmin-III. Details of restoring backups with psql are discussed in the documentation.
I wrote a bit of a rant about the usability of backup and restore in PgAdmin-III a while ago.
I am beginner to PostgreSQL.
I want to connect to another database from the query editor of Postgres - like the USE command of MySQL or MS SQL Server.
I found \c databasename by searching the Internet, but its runs only on psql. When I try it from the PostgreSQL query editor I get a syntax error.
I have to change the database by pgscripting. Does anyone know how to do it?
When you get a connection to PostgreSQL it is always to a particular database. To access a different database, you must get a new connection.
Using \c in psql closes the old connection and acquires a new one, using the specified database and/or credentials. You get a whole new back-end process and everything.
You must specify the database to use on connect; if you want to use psql for your script, you can use "\c name_database"
user_name=# CREATE DATABASE testdatabase;
user_name=# \c testdatabase
At this point you might see the following output
You are now connected to database "testdatabase" as user "user_name".
testdatabase=#
Notice how the prompt changes. Cheers, have just been hustling looking for this too, too little information on postgreSQL compared to MySQL and the rest in my view.
In pgAdmin you can also use
SET search_path TO your_db_name;
The basic problem while migrating from MySQL I faced was, I thought of the term database to be same in PostgreSQL also, but it is not. So if we are going to switch the database from our application or pgAdmin, the result would not be as expected.
As in my case, we have separate schemas (Considering PostgreSQL terminology here.) for each customer and separate admin schema. So in application, I have to switch between schemas.
For this, we can use the SET search_path command. This does switch the current schema to the specified schema name for the current session.
example:
SET search_path = different_schema_name;
This changes the current_schema to the specified schema for the session. To change it permanently, we have to make changes in postgresql.conf file.
Use this commad when first connect to psql
=# psql <databaseName> <usernamePostgresql>
set search_path = 'schema name here'
while connecting to the postgres, you have to opt for default database to connect. If you have nothing, you can use 'postgres' as default.
You can use dbeaver to connect to postgres. UI is good
PgAdmin 4, GUI Tool: Switching between databases
In the PgAdmin Browser on the left hand side, right click on the database you are willing to switch to.
Select a QueryTool from the drop down menu (or any other option that you need, I will stick with the QueryTool for now).
You will see the QueryTool in the PgAdmin window, and on top you will see the active database and the role name.
Now you can write queries against the chosen database.
You can open multiple QueryTools for multiple database, and work with them as you do with your graphical text editor.
In order to be sure that you are querying the proper database, issue the following query:
SELECT session_user, current_database();