Getting Started with Adobe After Effects - Part 6: Motion Blur

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This challenge is about finding second highest salary for each department

PLSQL Challenge 2 - Find the second highest salary for each department

  • CTE and Analytic Function

    lostformars Submitted 2 Years ago through ORACLE - PLSQL Challenges
    My solution was very similar to another submitted solution. However, I really prefer CTEs over sub queries. Another benefit is Oracle's sub query factoring (not in use here), which will usually be more efficient (but not always!)....

  • Solution using correlated subquery

    Aaron N. Cutshall Commented 2 Years ago through ORACLE - PLSQL Challenges
    While not as cost efficient as using a RANK() function, it's nevertheless a very interesting approach and one that I would not have thought of! I was going to add the execution plan image, but I guess this site won't allow me to upload it or insert i...
    dearhari
    1720 · 0% · 11
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