Find a largest single number in a table
Write a SQL query to find a largest single number in a table where single number is a number that appeared only once in the… Read More »Find a largest single number in a table
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SQL Top Interview Questions
Find a managers with at least 3 direct reports
SQL query to find manager who have at least 3 direct reports. Here, we have a sample table named Employee. Create table Employee (Id INT,… Read More »Find a managers with at least 3 direct reports
Difference between union and union all
The major difference between the UNION and UNION ALL operators in SQL is how they handle duplicate rows when the result set of multiple select… Read More »Difference between union and union all
SQL Interview Questions
A series of SQL most asked interview questions and answers for freshers and experienced professionals will help you prepare and cracking SQL interview. LeetCode –… Read More »SQL Interview Questions