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How do I use GROUP BY with aggregate functions?

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By: point-admin

October 19, 2024

GROUP BY in SQL is used to group rows that have the same values in specified columns into aggregated results. When combined with aggregate functions like COUNT(), SUM(), AVG(), MAX(), and MIN(), it allows you to perform operations on groups of data rather than individual rows. 1. Basic Structure of GROUP BY The typical SQL…

How do I manage state effectively in Flutter?

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By: point-admin

October 17, 2024

State management in Flutter is crucial for building dynamic and responsive applications. Flutter provides several approaches to handle state, each with its advantages and trade-offs. Below are some of the most effective methods to manage state in Flutter. 1. Stateful Widgets The simplest way to manage state in Flutter is by using StatefulWidget. This allows…