Understanding Business Days in Oracle Queries: A New Approach Using TRUNC and ISO Week Numbers

Outputting a List of All Orders Placed on Day X: Calculating Total Number of Repairs and Total Amount Spent

Excluding Empty Columns from SQL Server Select Statements Using Various Techniques

Searching JSON Data in MySQL 5.5: A Comprehensive Guide to Regular Expressions and Querying Associative Arrays

Understanding the Peculiar Behavior of SQL Server's DATEDIFF Function When Used with DATEADD

Resolving Common Issues with Copying Columns from One Table to Another in SQL Server

Date Manipulation and Outer Joining in SQL: A Step-by-Step Guide to Retrieving Next and Next-Next Date Values from Tables

Filtering a Table Based on Multiple Criteria Where an Item's Attributes Are Entered as Separate Rows in SQL Server