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The natural join is equal to which product? The natural join is equal to Combination of projection and Cartesian product
What is Candidate Key Super Key or Candidate Key: It is such an attribute of a table that can uniquely recognize a row in a table. Generally they have unique values and can n
in case of functional dependencies how we get the higher normal form.
Unrepeatable reads : Assume T7 reads X twice during its implementation. If it did not update X itself it could be very disturbing to see a dissimilar value of X in its next read. B
What is recovery management component? Ensuring durability is the responsibility of a software component of the base system known as the recovery management component.
ERD Diagram of Medical Recruitment Agency?
INSERT INTO command : Values can be inserted for all columns or for the selected columns Values can be given by sub query. In place of values parameter substitution
Data Base Management System 1. Draw the Architecture of MySQL and explain about its subsystems briefly. 2. Elaborate with the help of an example the concept of Primary key a
What is meant by mean time to failure? The mean time to failure is the amount of time that the system could run continuously without failure.
Given the following relations TRAIN (NAME, START, DEST) TICKET (PNRNO., START, DEST, FARE) PASSENGER (NAME, ADDRESS, PNRNO.) Write SQL expressions for the following queries: No
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