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Define page.
The database is partitioned into some number of fixed-length blocks, which are referred to as pages.
Creating views with Read only option : In the view definition this option is used to make sure that no DML operations can be done on the view.
Explain current page table and shadow page table. The key idea behind the shadow paging method is to maintain two page tables during the life of the transaction: the current pa
When every condition appears with equality condition (=) only. c) Natural join (denoted by R*S) When two join attributes have the similar name in both relations. (Tha
brief history,definition,current trends and future trends if any of data fragmentation
why are older data models are being replaced by new data models
An entity type usually has an attribute whose values are distinct for every individual entity in the collection. Such an attribute is known as a key attribute and its values can be
BCNF Boyce-Codd Normal Form A relation schema R is in BCNF if it is in 3NF and accepts an additional constraint that for every FD X A, X has to be a candidate key. If a relati
In an organisation various projects are undertaken. Each projects can employ one or more employees. Every employee can work on one or more projects. Each project is undertaken on
Scenario 1: Power goes out after the first instruction. What happens?
What benefits can a company gain by managing its own information infrastructure and servicea
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