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Which is another name for weak entity?
Child is another name of weak entity.
Which is an advantage of view? The Advantages of view is Data security, Derived columns and Hiding of complex queries
Project Description: I am updating my Javascript + HTML website with five domains for the same website I would like to know if I want to create site map and submit it in all the
How do I begin
Write a query to define tables students and teachers as sub tables of people? Create table students of student under people Create table teachers of teacher under people
a brief definition
Define weak and strong entity sets? Weak entity set: entity set that do not have key attribute of their own are known as weak entity sets. Strong entity set: Entity set that
Sub query in the UPDATE command : Example : //Double the commission for employees, who have got at least 2 increments. UPDATE EMP SET COMM = COMM * 2 WHERE
How can we Classify the operations on classes This step fundamentally means all three models functional, object and dynamic (studied in last section) must be combined so that
Define Boyce codd normal form A relation schema R is in BCNF with respect to a set F of functional dependencies if, for all functional dependencies in F + of the form.α ->β.
can you please explain with the help of suitable example the difference between conflict equivalence and conflict serializability?
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