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Explain I command in QBE ?
I : It is the command in QBE that is used to insert tuple (s) into the database
How to design a formal and exact model How to design a formal and exact model of real-world problems by applying findings of analysis phase of OMT. The object design phase find
What is Primary key? Primary Key - Primary key is one of the candidate keys which uniquely identifies each row in the relation.
What are the problems if one were not to normalize? When do these problems surface? Ans: Database normalization, sometimes considered to as canonical synthesis, is
Some disadvantages of File Oriented System ?
What is meant by mean time to failure? The mean time to failure is the amount of time that the system could run continuously without failure.
what is inverted and multilist structure
What is meant by object-oriented data model? The object-oriented paradigm is based on encapsulation of data and code related to an object in to a one unit, whose contents are n
can you resolve this for me please? Database Management Systems Homework 1 The following relations are given (primary keys are underlined): PLAY-ACTOR(AId, Name, Nationality, Birt
Write short notes on relational model The relational model uses a collection of tables to show both data and the relationships between those data. The relational mo
I am using Siteground. And my database is full of limit so need someone who reduces the data which no need. This is very simple and simple task. Skills required are Databa
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