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Define database management system? Database management system (DBMS) is a set of interrelated data and a combination of programs to access those data.
What is Cross Product? Simply Cross product is Binary Operator
usecase diagram,activity diagraM,SEQUENCE DIAGRAM
What do you understand by transitive dependencies? Define with an example any two problems that can take place in the database if transitive dependencies are available in the datab
It can be easily defined as: The database must not have any unmatched foreign key values. The term "unmatched foreign key value" means a foreign key value for which there doe
Explain weak and strong entity sets? Weak and Strong entity sets: A physically powerful entity set has a primary key. All tuples in the group are distinguishable through that k
We will explain here an example database application having COLLEGE database and use it in showing several E-R modelling concepts. College database remains track of faculty, Stu
in case of functional dependencies how we get the higher normal form.
What are the comparison operator in SQL? Comparison operator in SQL are =, LIKE and BETWEEN
Foreign Keys and NULL Let us take the relation: DEPT DEPT ID DNAME BUDGET D1 M
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