Building a Simple To-Do List Application Using SQL

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SQL (Structured Query Language) is a powerful tool employed in the management of databases. In this post, we are going to build a basic To-Do List Application using SQL. This application allows users to create lists of tasks, update the tasks’ completion status, and even remove tasks from the list.

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Step 1: Creating the Tasks Table

To store the tasks for our application, we need to create a new table. The table will have four fields:

• ID: A unique identifier for each task.
• Description: A brief description of the task.
• Status: This field will represent the task’s completion status.
• Date: The date when the task was added to the list.

Here’s how you can create this table using SQL:

Note that the ‘Status’ field is a BOOLEAN, meaning it can either be TRUE (task completed) or FALSE (task not completed).

Step 2: Inserting Tasks into the Table

With our table set up, we can now insert some tasks into it. Here’s how you will do it:

Step 3: Updating Task Status

Once a task is complete, you’ll probably want a way to indicate this in your To-Do List. Here’s how to update the status of a task:

Step 4: Deleting Tasks

If a task is no longer relevant, you can also delete it from your To-Do list. Take a look at how to do this:

There you have it; a simple To-Do List application built using SQL! This is just a basic example, but SQL is a powerful language and there’s so much more you can do with it. Stay tuned for more tutorials to build on this foundation. Happy coding!