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explain participation constraints with examples
Why older data models are being replaced by new data modelling 100 words accepted#
Determine the concept of Process Process: A process transforms the data values. It is represented as ellipse containing a description of transformation. Each procedure has a
write-set(T): Each data items that are written by a transaction T
List any two disadvantages of a database system ? The disadvantages of database system are: • Database systems are difficult, complex, and time-consuming to design. • Substanti
State as Location within a Program In this traditional approach, location of control inside a program totally defines the program state. Any finite state machine may be implem
I have a homework assignment due today by midnight. I need help understanding databasse normalization and determining the type of form violation & how to fix the violation.
what is entity in database system?
Example -Find the employee name, salary, department number and average salary of his/her department, for those employees whose salary is more than the average salary of that depart
What is an entity relationship model? The entity relationship model is a collection of basic objects known as entities and relationship between those objects. An
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