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This project will involve designing and creating a database for an organization. In the design of a database, there is no single "perfect" design. So your database design may not
what is the relationship between receipt and owner entities in computer sales and service company
What is primary Key Explain? Primary Key - Primary key is one of the candidate keys. It should be selected such in which its attribute values are never, or very rarely, chang
Explain the differences between structured data and unstructured data. Structured data are facts concerning objects and events. The most significant structured data are numeric
What sorts of tables one can se in designing the hierarchy of a LDB? Tables, which are having Foreign Key relations.
WHAT IS DATABASE TECHNOLOGIES
What is the main advantage of the object model? What are its different components? The object model focuses on the logical data structures. Each object model comprises of many
Why, generally does an object-oriented system use the relational DBMS? The reasons for using relational DBMS for OO systems could be any combination of following: a. Many or
Define the terms i) DDL ii) DML DDL: Data base schema is particular by a set of definitions expressed by a special language known as a data definition language. DML: A data
What is theta join explain? Theta Join - The theta join operation is an extension to the natural-join operation which permits us to merge selection and a Cartesian
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