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What is conceptual schema?
The schemas at the view level are known as subschema that describe dissimilar views of the database.
What is relationship? Give examples A relationship is an association between several entities. Example: A depositor relationship associates a customer with every account tha
We face problem of stock Opening balance and closing balance in Minus
Define database management system? Database management system (DBMS) is a set of interrelated data and a combination of programs to access those data.
notes about update opreation
Preliminary entities and attributes of human resourse management database management system
Illustrate the class diagram for class room scheduling system If in any college, the number of classrooms are limited which have to be allocated to various classes and instruct
List the data structures implemented by the storage manager. The storage manager executes the following data structure a) Data files b) Data dictionary c) indices
What is a view? A view is a logical view on one or more tables. A view on one or more tables i.e., the data from a view is not actually physically kept instead being derived f
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What is an ER diagram? Why is it used in Database management system (DBMS)?
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