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What is meant by data-transfer rate?
The data-transfer rate is the rate at which data can be retrieved from or kept to the disk.
How persistent programming languages differ from traditional programming languages? Database languages vary from traditional programming languages in that they directly manipul
Project Description: I would like to get a database of a website which has clients email name and phone number. If you are able to get information from a website, by entering
What is a value? A data value is used for identity. This form of identity is used in relational systems.eg: The primary key value of a tuple recognize the tuple.
Consistency: This property makes sure that a complete transaction implementation takes a database from one consistent state to another consistent state. If the transaction fails e
What is transaction? Collections of operations that form a single logical unit of work are known as transactions.
The JOIN operation is applied on two relations. When we want to choose related tuples from two given relation join is used. The join operation need that both the joined relations m
A B-tree of order how much children m has maximum ? m has maximum m mchildren in a B tree.
Eliminate Columns Not Dependent On Key The Employee Relation satisfies - First normal form - As it has no repeating groups. Second normal form - As it do not have multi-a
Logical Operators Rules of Precedence: Order evaluated Operator 1 All comparison operators 2
What is average response time? The average response time is that the average time for a transaction to be done after it has been submitted.
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