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Group By clauses • It is used to group database tuples on the basis of definite common attribute value like as employees of a department. WHERE clause still can be used
What is recovery management component? Ensuring durability is the responsibility of a software component of the base system known as the recovery management component.
What are the properties of transaction? There are three properties of transactions :- A) Atomicity B) Consistency C) Isolation
In an E-R diagram an entity set is represent by? In an E-R digram entity set is represted by rectangle.
client server architeutre
Explain trivial dependency? Functional dependency of the form α ->β. is trivial if α C β. Trivial functional dependencies are satisfied by all the relations.
1) Define a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes? Show the job scheduling dependencies in a pict
What are the advantages and disadvantages of merging an association into a class? Advantages: i) Less number of tables ii) Faster performance due to the fewer tables
Discuss the count function? The COUNT function used returns the number of tuples or values fixed in a query. The count function comprises two types of syntax: (1) COUNT (*)
write program
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