: List the data you need to capture (e.g., customer names, product IDs) and the "entities" (people, things, or events) involved. Database Design (Schema) : Describe the tables you created (e.g., Attributes : Explain the columns/fields and their data types (e.g., as a decimal, Relationships : Explain how tables connect using Primary Keys Foreign Keys Implementation & Queries : Provide examples of how data is added (using INSERT INTO ) and retrieved (using Maintenance & Security

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DELETE FROM Users WHERE id = 1;

Relational Database Management Systems (RDBMS) like Oracle, DB2, Microsoft SQL Server, and the open-source hero PostgreSQL took over the enterprise. Attempts to introduce Object-Oriented Databases failed to gain traction, as relational systems proved too robust and flexible.