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Problem: (a) Given the following relation: Stats(Name,Sex,Children, Occupation, Salary, Tax, Audits) Write SQL code to define the following security constraints: (i) User
Benefits and limitations
Why did SAP introduce the extended star schema? Explain why it is reported to be better than the traditional schema model?
under what condition log based recovery is feasible?
Implementation and SQL Applications
Insertion Anomaly: Inability to show certain information-The primary key of the over relation be (enrolment number, Cno). Any new tuple to be inserted in the relation should have
Strong entity set and weak entity set? Strong entity set and weak entity set: A strong entity set has a primary key. All tuples in the set are distinguishable through that key.
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 benefit can a company gain by managing its own infrasture and services
Data slice explanation
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