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Describe how you can simplify Operations.
To simplify operation, one should use inheritance, where possible to use, to reduce the quantity of distinct operations. Introduce new superclasses as required to simplify the operations, but they must not be forced or unnatural. Locate each operation at correct level in the class hierarchy.
Give some encryption techniques? A) DES B) AES C) Public key encryption
Fifth Normal Form (5NF) These relations still have a difficulty. While defining the 4NF we mentioned that all the attributes depend upon each other. Whereas creating the two ta
What is Identity? Identity (or AutoNumber) is a column that automatically produces numeric values. A start and increment value can be set, but most DBA leave these at 1. A GUID
What is the function of IO/M signal in the 8085? It is a status signal. It is used to differentiate among memory locations and I/O operations. When this signal is low (IO/M = 0
Define the Immediate Update The immediate update methods may apply changes to the database on disk before the transaction arrives a successful conclusion. Though, these change
describe objectivde of file organisation
This assignment concerns the Research database. The database ER model is shown above, where attributes are omitted for clarity. The relational model for the database is: Departm
task upload
Explain retrieval in QBE? Retrieval in QBE : A "GUI" for expressing queries. Based on the Domain Relational Calculus (DRC) Actually invented before GUIs. Very co
er diagtram for icici
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