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Database - Interview Questions and Answers for 'Deloitte' - 3 question(s) found - Order By Newest

Q1. Given an Employee Table with Salary Column, Find 2nd and 5th highest salary in a particular department.

SQL

^{2018-07-04 16:23:54}

Ans. Select salary from (select salary from employee where department = order by salary desc limit 5) emp order by salary limit 1 AND Select salary from (select salary from employee where department = order by salary desc limit 2) emp2 order by salary limit 1

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Q2. Sort an Employee Object based on Name or Age

Database

^{2019-03-31 08:36:02}

^{This question was recently asked at 'Deloitte'.This question is still unanswered. Can you please provide an answer.}

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What is JDBC? Describe the steps needed to execute a SQL query using JDBC.

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Q3. What is the main difference between unique key and primary key ?

Database

^{2020-02-13 08:15:53}

^{This question was recently asked at 'Deloitte'.This question is still unanswered. Can you please provide an answer.}

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