Hacker Rank Weather Analysis Problem Solution . . . . .

the above image shows a table with daily weather data over the last 6 months of 2020, including the maximum, minimum, and average temperatures. Writ . . . . .

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Hacker Rank Worker hour Calculation Problem . . . . .

QN=> The times that employees log in and out are recorded over the course of a month. For each employee, determine the number of hours worked during . . . . .

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LeetCode Game Play Analysis IV . . . . .

Table: Activity +--------------+---------+ | Column Name | Type | +--------------+---------+ | player_id | int | | device_id | in . . . . .

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MYSQL join Operations . . . . .

A SQL JOIN operation is used to combine rows from two or more tables based on a related column between them. There are different types of JOINs in SQL . . . . .

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Select query with SQL Operator . . . . .

SQL has various operators that can be used within a SELECT statement to perform different operations. Here are some common operators: 1. Arithmetic . . . . .

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Select vs Having operation in SQL . . . . .

In SQL, the SELECT and HAVING clauses serve different purposes in querying data from a database. Here's a brief overview of each: SELECT Clause Pu . . . . .

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