Calculating Total Visits within a Year from the First Visit Date Using CTEs and INNER JOINs in SQL

Identifying Changes in Customer Relationships Over the Last 30 Days with SQL Queries

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

Bypassing the Limitations of FLOAT(): How to Use Decimal Data Types for Precise Decimal Arithmetic in SQL Server

Using DECLARE to Dynamically Create Tables in SQL Server: A Better Alternative to EXECUTE

Optimizing Row Grouping for Value Aggregation: A Recursive Approach Using Common Table Expressions (CTEs)

Creating Permutations of a Column Based on the Same Value in SQL Using Derived Tables and Recursive CTEs

Optimizing Database Queries for Complex Updates Based on Filtering Conditions

SQL Query Optimization: Simplifying Complex Queries with Views

Limiting Records from a SQL View: A Guide to OFFSET FETCH Clauses