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Example -ALTER TABLE emp MODIFY (empno NUMBER (7));
what problems are raised by the database? why is it so controversial? why is data quality an issue?
Let consider the given partial relation EMP. Let us make some sub-queries for them EMPNO ENAME JOB SAL DEPTNO 7566
please describe the data base management with the easy example &give the application?
What are the two types of errors? The two types of errors are: a) Logical error b) System error
Given the following set of functional dependencies {cf?bg, g?d, cdg?f, b?de, d?c} defined on R(b,c,d,e,f,g) a.Find a non-redundant cover. b.Find a canonical cover.
Explain the uses of deadlock It will lead to deadlock since this is the only place where incoming acknowledgements are processed. Without this code, sender will keep timing ou
create an e-r diagram usuing graphical dipicted software that could theoritically be used in resturant application
as a customer service employee, explain five measures you would recommend a displeased student to patronise a school canteen
what is the importance of back up files
What is a database graph? The partial ordering implies that the set D may now be viewed as a directed acyclic graph, known as a database graph.
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