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Define object-relational systems?
Systems that give object-oriented extensions to relational systems are known as object-relational systems.
What does Aggregation mean?
What is conceptual model ? A conceptual model is a independent of both hardware and software.
Define data conversion? Helpful to load data into temporary staging tables. Then can write SQL code to do much of data processing. SQL code is simpler and faster to write than
define anomalies and different types of anomalies with example
Create an entity relationship diagram, Database Management System
Consider entity type Employee with attributes empNumber (this is unique), empName, and the year when he/she was hired. An employee can either be a technical employee, a marketing e
A Distributed Transaction Let us demonstrate the concept of a distributed transaction by considering a banking system having of three branches located in 3 different cities. Ev
Give an example of Operations from the functions of a bank. For creation of a saving account, you can write: bank::: create -savings-account (customer)->account. For oper
Question: The following relational database schema corresponds to a part of a database used by the Registry Department of a university. DEPARTMENT (d#, d-name, head-of-dept)
Explain three main attributes of data.
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