Filtering SQL Result by Condition to Receive Only One Row per Customer for Each Product Type.

Querying Tables from Different Databases: A Comprehensive Guide to Handling Missing Columns, Non-Existent Tables, and Ensuring Data Integrity

Understanding IN and NOT IN Clauses for Efficient Data Filtering

Understanding SQL Insert Queries with Case Statements: A Comprehensive Guide

Cycling Through Consecutive Dates with T-SQL: A Solution for Dynamic Date Variables

SQL Query Pivoting or Grouping: A Comprehensive Guide to Transforming Data

Concatenating Text in Multiple Rows/Columns into a String Using STRING_AGG Function and Common Table Expressions (CTEs)

Finding Unattended Shifts: A Detailed Explanation of the Alternative Solution

Understanding SQL Server's Rowversion/Timestamp: A Guide to Efficient Index Management and Conflict Resolution.

Counting Words in a Column in SQL Server: A Step-by-Step Guide