Once you’ve restored the dvdrental database, you can explore its contents using SQL queries. For example, to list all films:
psql -U postgres -d postgres -f dvdrental.sql Replace postgres with your actual PostgreSQL username and database name. dvdrental.tar file
To work with the dvdrental.tar file, you’ll need to extract its contents. On Linux or macOS systems, you can use the tar command: Once you’ve restored the dvdrental database, you can
tar -xvf dvdrental.tar This will create a single file named dvdrental.sql in the current directory. ve restored the dvdrental database
SELECT * FROM film; Or, to find all rentals for a specific customer:
To restore the dvdrental database from the dvdrental.sql file, you can use the psql command: