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Having clause
Example: Find maximum salary and department number of those departments where maximum salary is more than Rs 20000/-.
SELECT DEPTNO, MAX(SAL) FROM EMP
GROUP BY DEPTNO HAVING MAX(SAL) > 20000;
Give the levels of data abstraction? There are three levels of Data Abstraction a) Physical level b) logical level c) view level
a need some real life examples of database management systems three level of ANSI SPARC architecture life teacher and student ,company and employee or for NGO etc.
What is hash file organization? What are the causes of bucket overflow within a hash file organization? What can be completed to decrease the occurrence of bucket overflow?
Attributes and its types explain?
What is the meaning of Data Independence ?
Explain the database Planning Project ?
ddlc
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what is relationship inheritance and attribute inheritance
Ask questiwhat is row indicator in database on #Minimum 100 words accepted#
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