tutorial-design-database-using-azure-portal.md

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Design your first Azure Database for PostgreSQL using Azure portal | Microsoft Docs	This tutorial shows how to Design your first Azure Database for PostgreSQL using the Azure portal.	postgresql	SaloniSonpal	salonis	jhubbard	jasonwhowell	postgresql	tutorial, mvc	tutorial	11/03/2017

Design your first Azure Database for PostgreSQL using the Azure portal

Azure Database for PostgreSQL is a managed service that enables you to run, manage, and scale highly available PostgreSQL databases in the cloud. Using the Azure portal, you can easily manage your server and design a database.

In this tutorial, you use the Azure portal to learn how to:

[!div class="checklist"]

• Create an Azure Database for PostgreSQL server
• Configure the server firewall
• Use psql utility to create a database
• Load sample data
• Query data
• Update data
• Restore data

Prerequisites

If you don't have an Azure subscription, create a free account before you begin.

Log in to the Azure portal

Log in to the Azure portal.

Create an Azure Database for PostgreSQL

An Azure Database for PostgreSQL server is created with a defined set of compute and storage resources. The server is created within an Azure resource group.

Follow these steps to create an Azure Database for PostgreSQL server:

1. Click the + New button found on the upper left-hand corner of the Azure portal.

2. Select Databases from the New page, and select Azure Database for PostgreSQL from the Databases page.

3. Fill out the new server details form with the following information, as shown on the preceding image:

   • Server name: mypgserver-20170401 (name of a server maps to DNS name and is thus required to be globally unique)
   • Subscription: If you have multiple subscriptions, choose the appropriate subscription in which the resource exists or is billed for.
   • Resource group: myresourcegroup
   • Server admin login and password of your choice
   • Location
   • PostgreSQL Version

Important

The server admin login and password that you specify here are required to log in to the server and its databases later in this quickstart. Remember or record this information for later use.

4. Click Pricing tier to specify the service tier and performance level for your new database. For this quickstart, select Basic Tier, 50 Compute Units and 50 GB of included storage.
5. Click Ok.
6. Click Create to provision the server. Provisioning takes a few minutes.

Tip

Check the Pin to dashboard option to allow easy tracking of your deployments.

7. On the toolbar, click Notifications to monitor the deployment process.

By default, postgres database gets created under your server. The postgres database is a default database meant for use by users, utilities, and third-party applications.

Configure a server-level firewall rule

The Azure Database for PostgreSQL service uses a firewall at the server-level. By default, this firewall prevents all external applications and tools from connecting to the server and any databases on the server unless a firewall rule is created to open the firewall for a specific IP address range.

1. After the deployment completes, click All Resources from the left-hand menu and type in the name mypgserver-20170401 to search for your newly created server. Click the server name listed in the search result. The Overview page for your server opens and provides options for further configuration.

2. In the server page, select Connection security.
3. Click in the text box under Rule Name, and add a new firewall rule to whitelist the IP range for connectivity. For this tutorial, let's allow all IPs by typing in Rule Name = AllowAllIps, Start IP = 0.0.0.0 and End IP = 255.255.255.255 and then click Save. You can set a specific firewall rule that covers a smaller IP range to be able to connect from your network.

4. Click Save and then click the X to close the Connections security page.

Note

Azure PostgreSQL server communicates over port 5432. If you are trying to connect from within a corporate network, outbound traffic over port 5432 may not be allowed by your network's firewall. If so, you cannot connect to your Azure SQL Database server unless your IT department opens port 5432.

Get the connection information

When you created the Azure Database for PostgreSQL server, the default postgres database was also created. To connect to your database server, you need to provide host information and access credentials.

1. From the left-hand menu in the Azure portal, click All resources and search for the server you just created mypgserver-20170401.

3. Click the server name mypgserver-20170401.

4. Select the server's Overview page. Make a note of the Server name and Server admin login name.

Connect to PostgreSQL database using psql in Cloud Shell

Let's now use the psql command-line utility to connect to the Azure Database for PostgreSQL server.

1. Launch the Azure Cloud Shell via the terminal icon on the top navigation pane.

   

2. The Azure Cloud Shell opens in your browser, enabling you to type bash commands.

   

3. At the Cloud Shell prompt, connect to your Azure Database for PostgreSQL server using the psql commands. The following format is used to connect to an Azure Database for PostgreSQL server with the psql utility:

   psql --host=<myserver> --port=<port> --username=<server admin login> --dbname=<database name>

   For example, the following command connects to the default database called postgres on your PostgreSQL server mypgserver-20170401.postgres.database.azure.com using access credentials. Enter your server admin password when prompted.

   psql --host=mypgserver-20170401.postgres.database.azure.com --port=5432 --username=mylogin@mypgserver-20170401 --dbname=postgres

Create a new database

Once you're connected to the server, create a blank database at the prompt.

CREATE DATABASE mypgsqldb;

At the prompt, execute the following command to switch connection to the newly created database mypgsqldb.

\c mypgsqldb

Create tables in the database

Now that you know how to connect to the Azure Database for PostgreSQL, you can complete some basic tasks:

First, create a table and load it with some data. Let's create a table that tracks inventory information using this SQL code:

CREATE TABLE inventory (
	id serial PRIMARY KEY, 
	name VARCHAR(50), 
	quantity INTEGER
);

You can see the newly created table in the list of tables now by typing:

\dt

Load data into the tables

Now that you have a table, insert some data into it. At the open command prompt window, run the following query to insert some rows of data.

INSERT INTO inventory (id, name, quantity) VALUES (1, 'banana', 150); 
INSERT INTO inventory (id, name, quantity) VALUES (2, 'orange', 154);

You have now two rows of sample data into the inventory table you created earlier.

Query and update the data in the tables

Execute the following query to retrieve information from the inventory database table.

SELECT * FROM inventory;

You can also update the data in the table.

UPDATE inventory SET quantity = 200 WHERE name = 'banana';

You can see the updated values when you retrieve the data.

SELECT * FROM inventory;

Restore data to a previous point in time

Imagine you have accidentally deleted this table. This situation is something you cannot easily recover from. Azure Database for PostgreSQL allows you to go back to any point-in-time (in the last up to 7 days (Basic) and 35 days (Standard)) and restore this point-in-time to a new server. You can use this new server to recover your deleted data. The following steps restore the mypgserver-20170401 server to a point before the inventory table was added.

1. On the Azure Database for PostgreSQL Overview page for your server, click Restore on the toolbar. The Restore page opens.
2. Fill out the Restore form with the required information:

• Restore point: Select a point-in-time that occurs before the server was changed
• Target server: Provide a new server name you want to restore to
• Location: You cannot select the region, by default it is same as the source server
• Pricing tier: You cannot change this value when restoring a server. It is same as the source server.

3. Click OK restore the server to a point-in-time before the table was deleted. Restoring a server to a different point in time creates a duplicate new server as the original server as of the point in time you specify, provided that it is within the retention period for your service tier.

Next steps

In this tutorial, you learned how to use the Azure portal and other utilities to:

[!div class="checklist"]

• Create an Azure Database for PostgreSQL server
• Configure the server firewall
• Use psql utility to create a database
• Load sample data
• Query data
• Update data
• Restore data

Next, to learn how to use the Azure CLI to do similar tasks, review this tutorial: Design your first Azure Database for PostgreSQL using Azure CLI