Here’s an example Sub-query that shows to delete a row. Sub-queries return single value (or list of values) to the called query. The query within the main query is called nested query.
You May Also Like | Here’s How to Write a Subquery in SELECT Statement.
The use of WHERE (to filter rows), and DELETE a row very common in sub-queries. You can filter for rows and delete. Below example will give you clear idea on how to write Sub-query to delete specific row.
Here’s how to delete a row: SQL sub-query
Pay and read now
Subscribe to get access to this amazing example.
Recent Posts
AWS Glue Crawler Issue with Dynamic S3 Folder Paths? Here’s the Complete Fix
Learn how to fix AWS Glue crawler issues when S3 paths contain dynamically changing folders like hash values or UUIDs. Step-by-step beginner-friendly guide.
How to Create a Generic Stored Procedure for KPI Calculation (SQL + AWS Lambda)
In modern data engineering, building scalable and reusable systems is essential. Writing separate SQL queries for every KPI quickly becomes messy and hard to maintain. A better approach?👉 Use a Generic Stored Procedure powered by Dynamic SQL, and trigger it using AWS Lambda. In this blog, you’ll learn: What is a Generic Stored Procedure? A…
Unlocking the Power of Databricks Genie: A Comprehensive Guide
Databricks Genie is a collaborative data engineering tool built on the Databricks Unified Analytics Platform, enhancing data analytics for businesses. Key features include collaborative workspaces, efficient data processing with Apache Spark, built-in machine learning capabilities, robust data visualization, seamless integration, and strong security measures, fostering informed decision-making.
Free Download!
Related Posts
Srinimf 