Database Optimization

Find the Highest Paid Employee
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To find the highest paid employee from a table of data with employee id, name, and salary, write a SQL query using the MAX() function.

139
Nov 01
SQL Query to Find Second Highest Salary
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To find the second highest salary from the employees table, write a SQL query that orders the salaries in descending order and then selects the second row from the resulting table.

137
Oct 27
AVERAGE VALUES FOR EACH COLUMN
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To find the average value for each column in a table, use the AVG() function.

103
Oct 26
"Finding the Three Most Expensive Products"
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This technical problem asks the user to write a SQL query to find the three most expensive products from a given table. The table includes columns for product ID, name, and price. An example input and output is provided.

133
Oct 22