Health & Fitness
How To Make Your Bones Strong?
Most people are not aware that apart from calcium, there are other essential minerals are involved in strengthening bones. The different important components include potassium, magnesium, boron etc. All these components should be included in diet to make your bones strong. Calcium is one of the most common minerals found all over the body. It […]
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What is the efficiency of a query + subquery that finds the minimum parameter of a table in SQL?
I’m currently taking an SQL course and trying to understand efficiency of queries. Given this query, what’s the efficiency of it: SELECT * FROM Customers WHERE Age = (SELECT MIN(Age) FROM Customers) What i’m trying to understand is if the subquery runs once at the beginning and then the query is O(n+n)? Or does the […]
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