Categories / sql
Understanding Partitioning in SQL: A Deep Dive into the Rank Function
Transforming Comma-Separated Data into a More Manageable Format with PostgreSQL Window Functions
Filtering Records in a Table by a Composite Primary Key in RedShift: An Alternative Approach Using `DISTINCT`
Joining Two Tables and Grouping by an Attribute: A Powerful Approach to Oracle SQL Querying
Understanding PostgreSQL's Numeric Type: Best Practices for Conversion and Troubleshooting
How to Keep Auto-Generated Columns in PostgreSQL Even After Removing the Source Columns?
Understanding Duplicate Key Detection in Microsoft SQL Server
Uniting Two Datasets with Common Table Expressions (CTEs) in SQL Server
Understanding JDBC Auto Commit Mode and Transactions: Separating Fact from Fiction
Understanding System Bugs and Unintended Consequences of UPDATE Statements