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Database management system or dbms in short refers to the technology of storing and retrieving usersi data with utmost efficiency along with appropriate security measures. Intro to relational model example of a relation attributes or columns tuples or rows attribute types the set of allowed values for each attribute is called the domain of the attribute attribute values are normally required to be atomic. Operators are designed to do the most common things that we need to do with relations in a database. A database that contains only one table is called a flat database.
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