![]() ![]() You can change the PGHOST and PGPORT by using the options -h for host and -p for the port in pg_dump command. By default, the environment variables PGHOST, PGPORT, and PGUSER are considered as the localhost,5432, and username using which you default to connect to database which is the same as the username of the operating system. Although, you do have a facility to dump the database remotely. Pg_dump process needs to be done only by the superuser login as it has permission to read all the databases and tables. outputFile – It is the name of the file which has to be created after the dumping is finished.databaseName – It is the name of the database which you want to dump.It is a client-side program and needs to be run through the Linux command line prompt. pg_dump – It is the utility program that is provided in PostgreSQL to store the current state of the database into a file that will contain commands which when run on the database server will recreate the state of the database when it was dumped using the same.For this, you will also need to dump the OIDs. You will have to specify external -o in the pg_dump command in case if your database schema depends on OIDs such as foreign keys. In this tutorial, you have learned how to download PostgreSQL installer for macOS, how to install PostgreSQL on macOS, and how to restore the sample database.Hadoop, Data Science, Statistics & othersĪlso, the database operations which are running while pg_sump are not locked and run in the background except some of the operations related to structural changes such as ALTER TABLE are blocked. It means that you have successfully created the sample database and restored it from the downloaded file. Once the restoration completes, you will see a notification like this: It will take few seconds to restore the sample database. Seventh, right-click the dvdrental database and select the Restore… menu item:Įighth, select the directory as the Format (1), the directory that contains sample database as the Filename (2), and postgres as the Role name (3), and click the Restore button. Sixth, download the sample database and unzip it. to open a dialog for creating a new database.įourth, enter dvdrental as the database, postgres as the owner, and click the Save button to create the dvdrental database. Third, right-click the PostgreSQL 12 and select Create > Database. Second, enter the password for the postgres user. It will take few mintues to complete the installation.įinally, click the Finish button once the installation is completed: Load the sample database Ninth, click the Next button to start installing the PostgreSQL database server on your computer: If everything looks correct, click the Next button to begin the installation. By default, PostgreSQL uses the locale of the current operating system:Įighth, review the installation information. Seventh, select the locale used by PostgreSQL. By default, PostgreSQL uses port number 5432. ![]() Sixth, specify the port number on which the PostgreSQL server will listen. You should note down this password for logging in to the PostgreSQL database server later. Third, select the components that you want to install, uncheck the Stack Builder, and click the Next button:įourth, specify a directory where PostgreSQL stores the data and click the Next button:įifth, enter the password for the postgres user account. Second, select the directory where the PostgreSQL will be installed and click the Next button: To install PostgreSQL on macOS, you follow these steps:įirst, launch the setup wizard by double-click the installer file: Then, download the PostgreSQL for macOS.First, visit the PostgreSQL installer download page.To download the PostgreSQL installer, you follow these steps: Summary: in this tutorial, you will learn how to download the PostgreSQL, install PostgreSQL on macOS, and restore the sample database. ![]()
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