Explain the characteristics of relational model. What are the various relational algebraic operations? Explain each relational algebraic operation with the help of an example

The relational model is a database model based on the concept of a relation, which is essentially a table with rows and columns. It was developed by E.F. Codd in the 1970s and is widely used in modern database management systems. The characteristics of the relational model include:

1. Structure: Data is organized into tables with predefined columns and rows. Each column represents an attribute, and each row represents a record.

2. Integrity: The relational model enforces data integrity through constraints such as primary keys, foreign keys, and referential integrity rules. This ensures the accuracy and consistency of the data.

3. Flexibility: The model allows for dynamic data manipulation and _______ ___ ___ ____ ______ __________ ________.
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