Conditional Aggregation in SQL: Replacing NULL Values with Zero Using CASE Expression

Understanding the Limitations of SQL Server's REPLACE Function When Used with a WHERE Clause

Optimizing Data Retrieval: Selecting Latest Values per Day Using Outer Apply in SQL Server

How to Generate Random Numbers in SQL Server: A Guide to Conditional Statements and WHILE Loops

Understanding the Mysteries of NOT IN in SQL Server

Truncating Timestamps in SQL Server: A Step-by-Step Guide to Top and Bottom Hour Conversion

Extracting Start Dates and Times from a DateTime Range in SQL Server

Grouping Events by ClientId and Date in SQL: A Step-by-Step Guide

Enforcing Uniqueness of Undirected Edges in SQL: A Comparative Analysis of Methods

Retrieving Quotation Records with Highest Version for Each Unique ID Using SQL's ROW_NUMBER() Function