Jul 17, 2024 · Learn the key concepts of conditional aggregation in SQL with practical examples and advanced techniques for better data analysis.

May 20, 2024 · Conditional summation in SQL involves calculating the sum of values from a specific column based on certain conditions using functions like SUM () and WHERE clause. One such operation is a conditional summation, which involves aggregating values based on predetermined criteria.

sum(case when payment_type = 'debit' then amount else 0 end) as debit. sum(case when payment_type = 'credit' then 1 else 0 end) as credit_transaction_count, sum(case when payment_type = 'debit' then 1 else 0 end) as debit_transaction_count. Got any SQL Question? ChatGPT answer me!

The examples will demonstrate how to combine data from different tables based on specific conditions, and how to aggregate results to present a concise and informative output. This is crucial for building robust and efficient database applications.

Jul 6, 2016 · I'm trying to run a query to see the number of active users vs total number of users for each company. Desired Output: Query attempt: I'm struggling to figure out how to have two aggregation functions, where one is conditional. Not only column's name, but add some sample data and desired result.

Jun 3, 2024 · In this article, we’ll delve into the concept of conditional aggregation and illustrate its application with various code examples. Traditional aggregation functions like COUNT (), SUM (),...

Oct 10, 2024 · In this article, we’ve explored the concept of conditional aggregation through practical examples involving sales data. Incorporating conditional aggregation techniques into your SQL queries can enhance your analytical capabilities and empower you to extract valuable insights from your data.

Jul 27, 2021 · How to aggregate data that match a given condition. How to perform different aggregations of data that match different conditions, in a single query. Includes convenient SQLite shortcuts. A simple aggregation with a condition. Example: Find the average and the maximum salaries in the company, leaving out the outliers (below 30,000 or above 90,000).

Mar 5, 2025 · In this article, we’ll explore various methods of conditional aggregation using CASE and SUM(CASE) patterns with multiple examples from different contexts. 1. Aggregating Sales by Product...

Dec 7, 2016 · Instead, use CASE expressions with conditional aggregation. COUNT(*) AS [Number of employees by department type], SUM(CASE WHEN [EmployeeGender] = 'Male' THEN 1 ELSE 0 END) AS [Number of male employees by department type], SUM(CASE WHEN [EmployeeGender] = 'Female' THEN 1 ELSE 0 END) AS [Number of female employees by department type]