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What are axioms? Axioms or rules of inference give a simpler technique for reasoning about
Give the levels of data abstraction? There are three levels of Data Abstraction a) Physical level b) logical level c) view level
what characterizes the levels in RAID technology
let us consider a table having 2200 records and the fixed size of the table to be considered as 25.then how many numbers of table is requredto perform horizontal fragmentation
The result of the UNION operation between R1 and R2 is a relation that includes? The result of the operation between R1 and R2 includes all the tuples of R1 and R2 which have c
What are the three classes of SQL expression? SQL expression consists of three clauses: Select From Where
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 data link layer
Define Assertions in SQL a. An assertion is a predicate that is expressing a condition we wish the database to always satisfy. b. Domain constraints, functional dependency
The ER diagram clearly showing the additional tables you have implemented. SQL table creation scripts for the tables you have set up. SQL scripts showing the sample data you
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