Optimizing Data Insertion into M Table Based on Day of the Week Conditions

How to Sum a Column Based on Another Column's Value Using SQL

How to Split Strings at Each Character Using T-SQL and Common Table Expressions (CTEs)

Parsing Log Files for QlikSense: A Deep Dive into Regex and Splitting

Querying Data Across Three Tables Using Inner Joins

Understanding the Challenge of Unnesting varchar Array Field with {}

Using Window Functions to Select the Latest Date for Each ID Video Type

Calculating Win Percentages between Characters: A SQL Query Solution

How to Use OOP and Decorators to Pass Args and Create a Decorator in Python for Managing SQL Calls

Counting Customers by Status Per Month: Optimized Query to Exclude Days and Months with No Registrations