Examples of relational databases Relational databases are useful for any information need where data points both relate to each other and also must be managed in a consistent, secure, rules-based way. This is
Database examples Databases might seem like invisible mysteries, but most of us interact with them every day. Here are some common examples of relational databases, NoSQL databases, and in-memory databases:Financial transactions Banks use databases to keep track of customer transactions—everything...
After reading this article, you should have a solid understanding of how relational databases work. You should also be familiar with some of the most notable examples of relational database management systems.
What are the most popular relational databases in 2025? RDBMS proved to be the optimal choice for data management in software solutions from nearly every business domain. Examples of the most popular relational database management systems include Oracle, MySQL, Microsoft SQL Server, PostgreSQL, ...
There are several advantages of relational databases: They enforce data integrity through constraints leading to data accuracy and consistency. They maintain ACID (Atomicity, Consistency, Isolation and Durability) properties to ensure reliable transactions. Relational databases support high concurrency which ...
Further benefits of relational databases include: Scalability: New data may be added independent of existing records. Simplicity: Complex queries are easy for users to perform with SQL. Data Accuracy: Normalization procedures eliminate design anomalies. Data Integrity: Strong data typing and validity ...
Relational databases (most common type of database) store and provide access not only data but also metadata in a structure calleddata dictionary or system catalog. It holds information about: tables, columns, data types, constraints table relationships, ...
a "foreign key" acts as a bridge linking tables together, ensuring data from one table corresponds accurately with another. This setup allows for smooth and organized access to loads of related data, making it easier to manage complex relationships. Here are some examples of relational databases:...
Relational databases have been around since the 1970s, are used in a broad range of use cases, and remain a popular choice even today because they offer a mature, stable, and proven technology You can expect to find them managing data for e-commerce applications, inventory management, payroll...
How do relational databases work? Relational databases are relational because they are composed of tables that relate to each other. Non-relational databases, on the other hand, don't use rows and tables, but instead use data models such as key-value pairs, graphs and column families to store...