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Explain the conventions for displaying an ER schema as an ER diagram? An E-R Diagram scheme might describe certain constraints to that the contents of a database must conform.
we need example of 2phase locking
What is 2NF? A relation schema R is in 2NF if it is in 1NF and every non-prime attribute A in R is fully functionally dependent on primary key.
find a name whose address is erode from student table
What are the advantages of creating a table from existing table?
er diagtram for icici
Which language has presently become the defacto standard for interfacing application programs along with relational database system? The language which has recently become the
Saving Derived Attributes to Avoid Re-computation As discussed, "redundancy means duplication of exact data". But, if multiple copies of same data are present in the system,
Support by Adding Indexes Multiple indexes can be used to access a data file by multiple access paths. In such a scheme only single copy of the data is consider, only the numbe
FDs in Entities : Student entity : Enrolment number → Student name, Address Course Entity :
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