candidate key is subset of super key but not vice-verse explain
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In not less than 100 words what's the main difference between Rolap and Molap in ORACLE ?
Table E: Name dept month sal 1 A JAN 800 2 B APR 1000 3 A JAN 300 4 A JAN 600 5 C JUN 400 1) SELECT HIGHEST SAL PAID DEPT IN JAN MONTH? 2) WRITE QUERY GET MAX SAL DEPT NO?
Explain the family trees and connection by clause
how will I find the first 5 highest salaried employees in each dept in oracle.
What happens if the update subquery returns multiple rows?
What is data type in oracle?
What is the relation of a user account and a schema?
how to find count rows in table without count function?
What are the different types of modules in oracle forms?
1.how to extract the second highest salary from emp table having sal as a column which contains the salary of all employee of an organisation.
What is the use of Control File ?
what is index?