Examples

Nim Database CRUD

Building a CRUD App

Nim database CRUD with SQLite handles data operations.

Introduction to Nim Database CRUD

In this tutorial, you will learn how to perform CRUD (Create, Read, Update, Delete) operations using Nim with an SQLite database. SQLite is a popular choice for lightweight and serverless database management. We will explore how to connect to an SQLite database, create tables, and perform data manipulations using Nim's capabilities.

Setting Up Your Environment

Before we begin, ensure that you have Nim and the SQLite library installed on your system. You can install Nim from the official website and use nimble to install SQLite bindings:

  • Install Nim: https://nim-lang.org/install.html
  • Install SQLite bindings: nimble install db_sqlite

Connecting to SQLite Database

To interact with an SQLite database in Nim, you'll first need to import the necessary modules and establish a connection:

Creating a Table

Once connected, you can create a new table using SQL commands. Here’s how you can create a simple table named users with columns for id, name, and email:

Inserting Data into the Table

To insert data into your users table, you can execute an INSERT SQL statement. Here’s an example of how to insert a new user:

Reading Data from the Table

Reading data involves executing a SELECT statement. Here’s how you can retrieve all records from the users table:

Updating Existing Records

To update records in the users table, use the UPDATE SQL statement. Below is an example to update a user's email:

Deleting Records

To delete records, use the DELETE SQL statement. Here’s an example of how to delete a user by name:

Conclusion

You've learned how to perform basic CRUD operations in Nim using SQLite. These operations form the foundation for managing and manipulating data in your applications. With this knowledge, you can now build more complex database-driven applications in Nim.