More, and the PostgreSQL community provides installers for these distributions. Including, RedHat Enterprise Linux (RHEL), CentOS, Fedora, Scientific Linux, and The PostgreSQL RPM packages work across many Linux distributions, Started! One of the most popular ways to install PostgreSQL is by using RPM

Successfully in your development and production environments is simply getting 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.One of the most important things to using PostgreSQL Once your table structure is ready, you can add some data to an existing table. 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.

Centos install postgres