Return Top Records with a Null Field or Grouped by That Field in SQL Server

Merging Multiple Result Rows After STRING_SPLIT On Left Join: A SQL Query Scenario

Understanding SQL LIKE with Wildcards: The Case of Accented Letters

Using Aliases to Simplify SQL Queries: A Guide to Literals and Beyond

Understanding DateTime Filters in SQL Server: Best Practices for Efficient Filtering

Understanding PO Line Item Groups in Oracle: Dynamic Display for Shipment Received and No Shipment Received Statuses

Selecting Non-Duplicate Rows from a Table Using ROW_NUMBER in SQL Server

SQL Query Breakdown: Understanding Horizontal Joins with INTERLEAVE

Running SQL Queries to Track Accounts in a Funnel: A Solution for 3-Month Counts

Ranking Products by Year and Month: A Comprehensive Guide to SQL Query and Best Practices