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What are the two types of errors?
The two types of errors are:
a) Logical error
b) System error
Consider a typical sales invoice that would include the following information. Design a single table to hold all of the information required to store an invoice including this info
Consider the subsequent relation Professor (Pfcode, dept, head, time) It is assumed that (i) A professor can work in much more than one
Explain the Concept of Two-phase Locking It concerns the positions of locking and unlocking operations in each transaction. In this protocol every transaction issue lock and u
WRITE SHORT NOTES ON INDEX STRUCTURE OF FILES? There are two basic parts of indices 1. Ordered indices 2. Hash indices Every technique must be evaluated on the bas
Determine the Advanced modeling concepts You have to follow some steps for object-oriented design. These steps for OO Design methodology are as follow: 1) Produce objec
what is Storage-Device Hierarchy question
Mention the several levels in security measures. A) Database system B) Operating system C) Network D) Physical Human
What is disadvantage of multiple inheritances? There is potential ambiguity if the similar variable or method can be inherited from more than one superclass.eg: student class m
Advantages of Data Distribution The primary benefit of distributed database systems is the ability to access and share data in a reliable and efficient manner.
Why older data models are being replaced by new data modelling 100 words accepted#
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