Django Tutorial 8 Database API Video Lecture | Django: The Ultimate Beginners Guide (in Hindi) - Back-End Programming

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FAQs on Django Tutorial 8 Database API Video Lecture - Django: The Ultimate Beginners Guide (in Hindi) - Back-End Programming

1. What is the purpose of the Database API in Django?
Ans. The purpose of the Database API in Django is to provide a convenient way to interact with databases within Django applications. It allows developers to create, retrieve, update, and delete database records using Python code, without having to write raw SQL queries.
2. How can I connect Django to a database?
Ans. Django can be connected to a database by specifying the database settings in the project's settings.py file. You need to provide the database engine, name, user, password, host, and port in the DATABASES section of the settings file. Django supports various database engines such as PostgreSQL, MySQL, SQLite, and Oracle.
3. Can I use multiple databases in Django?
Ans. Yes, Django supports the use of multiple databases in a single project. You can define multiple database configurations in the DATABASES section of the settings.py file, and then specify the database alias when performing database operations. This allows you to interact with different databases within the same Django project.
4. How do I perform CRUD operations (Create, Read, Update, Delete) using the Database API in Django?
Ans. To perform CRUD operations using the Database API in Django, you can use the model classes defined in your Django application. For creating records, you can instantiate a model class and call the save() method. For reading records, you can use the filter() or get() methods. For updating records, you can retrieve an object, modify its fields, and call the save() method. For deleting records, you can call the delete() method on the object.
5. Is it possible to execute raw SQL queries using the Database API in Django?
Ans. Yes, Django allows you to execute raw SQL queries using the Database API. You can use the raw() method provided by the queryset objects to execute custom SQL queries. However, it is recommended to use the Database API's ORM (Object-Relational Mapping) features whenever possible, as it provides a higher level of abstraction and helps maintain code readability and portability.
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