What are relational databases and how do they work?
An example of an AI chatbot conversation about understanding relational databases.
What are relational databases and how do they work?
Relational databases store data in tables that are related to each other. Each table consists of rows and columns, where rows represent records and columns represent attributes.
Can you explain what a primary key is?
A primary key is a unique identifier for a record in a table. It ensures that each record can be uniquely identified and helps maintain data integrity.
What is the difference between SQL and NoSQL databases?
SQL databases are relational and use structured query language for defining and manipulating data, while NoSQL databases are non-relational and can store unstructured data.
How do I design a relational database schema?
To design a relational database schema, identify the entities, define the relationships between them, and create tables with appropriate keys and constraints.
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