Understanding Timestamps in Postgres and PHP: Converting UTC to Local Time with Parameterized Queries, Built-in Functions, and Best Practices for Accurate Conversions.

Optimizing SQL Performance: Mastering Conditional Evaluation for Faster Query Execution

Creating a View by Joining Multiple Index Tables as One SQL

Executing SQL Queries Inside VBA Code in Microsoft Access: A Comprehensive Guide

Counting Between Two Dates for Each Row of a Selected Year-Month in SQL

Mastering the SQL BETWEEN Operator: A Comprehensive Guide to Avoiding Common Pitfalls

Retrieving Previous Column Data Based on Conditions Using Window Functions

Understanding SQL Nested Grouping Issues in Daily_Symptom_Check_Audience_Archive Table

Querying Average Data for All Rows in the Last N Occurrences Using PostgreSQL Window Functions

Mastering SQL Date Functions: A Guide to DATEPART, DATENAME, and WEEK