Relaatiomallit
Relaatiomallit, or relational models, are mathematical models used to represent and manage data in a structured way. They are a fundamental concept in database management systems and are based on the principles of set theory and first-order predicate logic. The most well-known relational model is the relational database model, which was introduced by Edgar F. Codd in 1970.
In a relational model, data is organized into tables, also known as relations. Each table consists of
The relational model provides a formal basis for database operations, including querying, updating, and maintaining data
One of the key advantages of relational models is their ability to handle complex queries and transactions.