What’s a portable way to group daily sales by date if your engine lacks DATE_TRUNC?

Problem Statement

Explanation

Casting a timestamp to DATE groups all times on the same calendar day. It is widely supported across engines. String formatting works but can introduce locale issues and sort quirks.

Code Solution

SolutionRead Only

SELECT CAST(sale_ts AS DATE) AS d, SUM(amount)
FROM sales
GROUP BY CAST(sale_ts AS DATE);

Practice Sets

This question appears in the following practice sets:

Filtering, Grouping & Aggregations

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What’s a portable way to group daily sales by date if your engine lacks DATE_TRUNC?

Problem Statement

Explanation

Code Solution

Practice Sets

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Master Interviews Anywhere, Anytime

What’s a portable way to group daily sales by date if your engine lacks DATE_TRUNC?

Problem Statement

Explanation

Code Solution

Practice Sets

Related Questions

Which SQL statement retrieves all columns and rows from a table named employees?

Which clause filters rows before aggregation and affects which rows are grouped?

What is the default sort order when ORDER BY is used without ASC or DESC?

Which construct is commonly used to paginate results in SQL engines like Postgres and MySQL?

Which predicate correctly checks for missing values in standard SQL?

More from SQL & Databases

Master Interviews
Anywhere, Anytime