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Difference between table scan, index scan, and index seek in SQL Server Database? Example
How to find Nth Highest Salary in MySQL and SQL Server? Example LeetCode Solution
---------------------------------------------------------------
Write a SQL query to get the nth highest salary from the Employee table.
+----+--------+
| Id | Salary |
+----+--------+
| 1 | 100 |
| 2 | 200 |
| 3 | 300 |
+----+--------+
For example, given the above Employee table, the nth highest salary where n = 2 is 200. If there is no nth highest salary, then the query should return null.
How to use recursive grep command in Linux and UNIX? grep -iR Example tutorial
Difference between Soft Link vs Hard Links in Linux/UNIX? Answer
How to Find large Files and Directories with size in Linux and UNIX? find + du command Example Tutorial
How to send Email with Body and Attachment from Linux Machine? mutt and mailx command Example
How to set JAVA_HOME and PATH in Linux? Example
How to backup and load Cron Jobs from a File in Linux and UNIX? Crontab Command Example
How to find swap space and usage in Solaris? Swap Command Example
How to send Logging Messages to SysLog using Log4j2 SysLogAppender in Linux ? Java Example
5 Ways to implement Singleton Design Pattern in Java? Examples
How to use Strategy Design Pattern in Java? Example Tutorial
10 ways to Quit/Exit from Vim Editor in Linux/UNIX? Examples
10 Example of ps -ef command in Linux and UNIX
How to add or view SSL certificate in Java keyStore or trustStore? keytool command examples
How to use PreparedStatement in Java - JDBC Example Tutorial
How to Create and Start Multiple Threads in Java? - Example Tutorial
How to use wait, notify, and notifyAll in Java? Example Tutorial
How to Join and Merge Two ArrayLists in Java - Example Tutorial
10 Easy Ways to Create and Sell NFTs (Non Fungible Tokens) in 2024
Top 5 Free Microsoft Power BI Online Courses for Beginners to Learn in 2024 - Best of Lot [UPDATED]
Top 10 Java Multithreading Courses for Beginners in 2024 - Best of Lot [UPDATED]
Top 6 Free Courses to Learn Ethical Hacking and Penetration Testing in 2024 - Best of Lot [UPDATED]
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