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Un-Normalized Form (UNF)
If a table having non-atomic values at every row, it is said to be in UNF. An atomic value is something that cannot be further decomposed. A non-atomic value, as the name suggests, can be further decomposed and simplified.
For the relations R and S given below: R S A B C 1 4 7 2 5 8 3 6 9
Explain the difference between the three storage types - volatile, non volatile and stable. Ans: Volatile storage: if storage media loses data while power goes off,
What is the difference between serial and sequential files? How searching is applied on both? Ans: A serial file is one where the records have been stored in the order where
In which form of relational database developer refers to a record? In a tuple form of relational database developer refers to a record.
Having Clause with sub queries: First we have to recollect the GROUP BYclause. The following query searches the minimum salary in every department. SELECT DEPTNO, MIN (SAL)
Ask questioYou are the database administrator in a university. You have been tasked to come up with a new database for the University. Using the stages in Database Life Cycle come
create an e-r diagram usuing graphical dipicted software that could theoritically be used in resturant application
What is Primary key? Primary Key - Primary key is one of the candidate keys which uniquely identifies each row in the relation.
please give me introduction to full data in D B M S in a short assignment
What do you mean through integrity constraints? Integrity Constraints -An integrity constraint is a condition specified on a database schema and restricts the data in which
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