How to configure a new Data Source in IntelliJ IDEA

                                   

Introduction

Managing databases efficiently is essential in today's software development industry. However with some IDEs (Integrated Development Environment) tools like IntelliJ IDEA Ultimate, you can integrate and manage your data sources without bothering of installing external database management softwares. From this tutorial you'll be aware on how to configure a new Database/Datasource in IntelliJ IDEA IDE.

While having a built-in data source configured in IntelliJ IDEA is not only simplifies development, but also it saves the valuable time while coding where developers can focus on coding rather than switching between platforms. 

Let’s have a look ar  process of configuring a new MySQL data source in IntelliJ IDEA. However, the steps are quite similar for other database types (Oracle, MsSQLServer etc.).

How to Set Up a New Data Source in IntelliJ IDEA

Please follow the following steps to set up a database connection in IntelliJ IDEA IDE.

1.  Launch IntelliJ IDEA

Open IntelliJ IDEAUltimate on your computer or laptop. Make sure you have the latest version to access advanced features in IntelliJ IDEA Ultimate.

2. Navigate to the Database tab

• Then please navigate to the Database tab located in the right-hand corner of the IDE.
• If you don't see the Database tab, you can enable it from: View > Tool Windows > Database.

3. Database Verification

• 
  Please make sure that the database you want to connect is already created, otherwise you have to create the database first before configuring. For example, suppose we have a database called supermarket.

• You can ensure the database availability by using following SQL commands.

1. SHOW DATABASES;
• Use this command to ensure whether the desired database (e.g., supermarket) exists on the server.
• Example Output:

  +--------------------+
  | Database           |
  +--------------------+
  | information_schema |
  | mysql              |
  | supermarket        |
  +--------------------+

2. USE supermarket;

   • Switch to the active database to supermarket to ensure that you're working within the intended database for queries or operations.
   • Example Usage:

     mysql> USE supermarket;
     Database changed

   
   

3. SHOW TABLES;

   • To view and verify the tables within the selected database database and provides an overview of its structure.
   • Example Output:

     +---------------------+
     | Tables_in_supermarket |
     +---------------------+
     | products            |
     | customers           |
     | orders              |
     +---------------------+

4. Add a New Data Source

• Click on the plus (+) icon in the Database tab.

• Select Data Source -> MySQL from the dropdown menu.

5. Enter Database Connection Details

• You may need to provide the following details in the popup screen:
  • Host: If you're using a local DB so it's localhost, otherwise it's your database server’s IP address.
  • Port: Please define your Database port here.
  • Database Name: Enter the name of your database (e.g., supermarket).
  • User: Please define your MySQL username here by default you may have a root user.
  • Password: Your MySQL Database user password.

• Then please click on Test Connection button to verify the details. If the connection is successful, a green checkmark will appear indicating the successful connection as mentioned below.

6. Save the Configuration

• Once the connection is verified, click Apply and then OK.

• Your database will now appear in the Database tab.

7. Then, a newly added data source will appear in the Database tab of the IDE. Under the database name there will be a label indicating the number of available databases (e.g., 1 of 6). If you hover this label then it a tooltip will appear mentioning the connection status. If the tooltip displays "0 connections", it means no active connections have been established with the data source yet.

8. Select the Schema

• Please navigate to the newly created data source configuration in Database tab of the IDE.

• Click on the schema name (e.g., supermarket) to view its tables, procedures, and other details.

9. Data source configuration is complete and ready to use.

Benefits of Database Management with IntelliJ IDEA

• Improved Productivity: Save time without navigating to external tools for DB Query and work with data right within the IDE.

• Built-in Tools: Features such as SQL query formatting, SQL Syntax validation and maintaining query history enhance accuracy and efficiency.

• Cross-Platform Compatibility: Access to all databases (even for other projects) within same place by making DB connection as Global.

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