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List the table modification commands in SQL?
A) Deletion
B) Updates
C) Insertion
D) Update of a view
Serialisability: Any schedule that makes the similar results as a serial schedule is known as a serialisable schedule. But how can a schedule are determined to be serialisable or n
explain ER Modeling?
Give some encryption techniques? A) DES B) AES C) Public key encryption
What is view in SQL? How is it defined? Any relation that is not part of the logical model, but is made visible to a user as a virtual relation is known as a view. We descri
Single Valued Normalisation Codd in the year 1972 formed three normal forms (1NF, 2NF, and 3NF). These were based on functional dependencies between the attributes of a relati
what is un ordered and ordered file managment?
What are the functions of an accumulator? The accumulator is the register associated with the ALU operations and sometimes I/O operations. It is an integral part of ALU. It hol
(a) What is a Sub-Query? (b) What is the difference between a scalar sub-query and a tabular sub-query? (c) Write an equivalent SQL statement to get the Name of Product wh
What is relationship? Give examples A relationship is an association between several entities. Example: A depositor relationship associates a customer with every account tha
sir, could anybody help me in getting complete information about the mentioned topic
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