Tutor SQL @TutorSql
Find answers to commonly asked SQL interview questions. Joined July 2023-
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How can you find the 3rd highest salary in Oracle using an analytic function? #DenseRank #SQL #TutorSQL #Oracle #Analytics #Database #DataAnalyst #DataScientist
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Q9: Write an SQL query using CASE to calculate the grade for each student: If the avg of math and science scores is greater than or equal to 90, assign A grade. If the avg is between 80 & 89, assign B grade If the avg is between 70 & 79, assign C grade Otherwise, assign 'D'.
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Protip: 😎 Do you know that using the LEAD and LAG functions effectively and considering both the PARTITION BY and ORDER BY clauses, you can perform robust time-based and comparative analysis on your data in Oracle SQL. 🚀
Tutor SQL retweeted
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