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What is Primary key?
Primary Key - Primary key is one of the candidate keys which uniquely identifies each row in the relation.
Critically explained the benefits and limitations of different database technologies with proper examples
Illustrate how you can use QBE to perform logical AND and OR operation
what is er digram given that example of hospital,bank and library er digram.
Explain the Fundamental concepts of object-orientation Software developers, data base administrators (DBAs) need to be familiar with fundamental concepts of object-orientation.
We define a view in SQL through using the create view command. To describe a view, we must provide the view a name and must state the query in which computers the view. The form of
Define the Traditional System Analysis and Design Traditional System Analysis and Design (SAD) have three basic life cycle models. A typical software lifecycle consists of the
Explain the Query Processing Data Query Processing permits a user to report or analyze structured and unstructured data pulled from multiple data sources.
List some security violations (or) name any forms of malicious access. A) Unauthorized reading of data B) Unauthorized modification of data C) Unauthorized destruction of
What does the extract statement do in extract datasets? The data is written to virtual memory by extract commands.
Describe Object Relational model ? Object Relational Model - This model combines the characteristics of both relational model and object oriented model. It extends the tradit
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