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What are the two types of errors?
The two types of errors are:
a) Logical error
b) System error
examples of fields in a database
You have a friend that runs a motor bike club that holds racing events at various venues on weekends, on a monthly basis. Some venues are private race tracks and some are dirt trac
A relationship set is a set of relationships of the similar type. For example, let consider the relationship among two entities sets course and student. Collection of all the in
what is Nested relational model? Explain with examples.
#question. acompani datdbase needs to store information about employees (identified by a social security number,with salary and phone as attributes) and departments (identified by
Atomicity: It describes a transaction to be a one unit of processing. We can also say either a transaction will be finished completely or not at all. In the transaction example 1
What are the drawbacks of File Oriented System in details?
Explain TPS concurreny executions stating their advantages in online business advancement
Differentiate between logical database design and physical database design. Show how this separation leads to data independence? Basis Logical Databas
What is a primary key? Primary key is chosen by the database designer as the principal means of identifying an entity in the entity set.
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