![]() ![]() sudo apt update The run the commands below to install PostgreSQL 13 on Ubuntu 22.0420.0418.04 Linux system. And it is recommended to install it because thanks to it, we can enjoy interesting news and improvements in the performance of the application. ![]() However, we already have available version 13. But first update the package index for the version to be available at the OS level. Install PostgreSQL 13 on CentOS 8 / RHEL 8 / Oracle Linux 8 Both RHEL 8 and its derivatives include PostgreSQL 10 in their repositories. ![]() ![]() Use the INSERT INTO statement to add data in the following format: INSERT INTO table (column_name1, column_name2, column_name3) VALUES ( 'value1', 'value2', 'value3') įor example, add a row of data to the hotel table that you created above. With the repository added we can install the PostgreSQL 13 packages on our Ubuntu 22.0420.0418.04 Linux server. Once your table structure is ready, you can add some data to an existing table. Lets get started Login as root sudo su Create a backup of the current database(s) su - postgres -c pgdumpall -p 5432 > /tmp/dumpfile. where the table name is hotel, and columns are hotel_id, star, paint, location, and date with their respective lengths and column constraints. Location varchar( 25) check ( location in ( 'north', 'south', 'west', 'east', 'northeast', 'southeast', 'southwest', 'northwest')), are the column names, col_type is the type of column, and field_length is the size of the data structures to make the values more robust.įor example, you can create a table hotel with the following columns: CREATE TABLE hotel ( where table_name is the desired name set by the user, column_name1, column_name2, etc. The basic syntax to add fields in the new table is quite simple. Let’s create a new table to store some data. Note that you need to be logged in as the postgres system user to issue administrative commands. To create a new database within PostgreSQL, use the following command: createdb databasename Log in as the new user using the -i and -u flags. ![]()
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