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Recovery Techniques: After Reading the types of failures and database errors, let us talk about how to recover from the failures. Recovery can be complete using/restoring the previ
Which operator is used to compare a value to a list of literals values that have been specified? BETWEEN operator is used to compare a value to a list of literals values that h
The dataset " CFOLYMPICS.XLS " contains the observations used in the above article. The definitions of the variables are also included in this spreadsheet. However, for the purpo
What are called journaling file systems? File systems that support log disks are known as journaling file systems.
Benefits of Hashed file Organisation 1. Insertion or search on hash-key is quick. 2. Best if equality search is required on hash-key. Drawbacks of Hashed file
What is conceptual model ? A conceptual model is a independent of both hardware and software.
How many types of users works on database? Users are differentiated through the way they expect to interact along with the system (i) Application programmers-interact with
Logical Operators Rules of Precedence: Order evaluated Operator 1 All comparison operators 2
explain exhaustively the problems associated with ER diagrams. include illustrations in your answer
draw er diagram using entities crop,employee,department,plot,cultivation plan,machinery,seed,fertilizer
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