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Name the various privileges in SQL? A) Delete B) Select C) Insert D) Update
A relationship set is a set of relationships of the similar type. For example, let consider the relationship among two entities sets course and student. Collection of all the in
Create a view emp_dep containing e_name and number of dependents from the tables employee and dependent of (i) CREATE VIEW emp_dept AS SELECT ename, COUNT(*) FROM employee, dep
Functional Dependency Consider a relation R that has 2 attributes A and B. The attribute B of the relation is functionally dependent on the attribute A if and only if for every
Locks: Serialisabilty is just a test whether a given interleaved schedule is ok or has a concurrency related trouble. Though, it does not make sure that the interleaved concurrent
Answer SQL Queries to extract data from data tables and questions on mapping conceptual data models into relational data model.
Let us now make the E-R diagram for the student database as per the explanation given in the previous section. We can also states the overall logical structure of a database usi
Due date for May 8
What is the way a particular application views the data from the database that the application uses? Sub schema is the way a particular application views the data from the data
how to design a bakery business in data base
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