Understanding Dates and Time Functions in SQL for Counting Number of IDs by Month

Understanding PostgreSQL Query Execution Times: A Deep Dive into JSON Response Metrics

Mastering Self Joins: A Powerful Technique for Comparing Values Across Rows

Using LEFT JOINs with COALESCE Function to Handle Unmatched Records in SQL Queries

Retrieving Most Frequent Roles for Each User in SQL Using Windowing Functions

Finding Rows with Similar Date Values Using Window Functions in SQL

Querying Data from Two Tables with Similar Column Names Using PostgreSQL and SQL

Improving Database Functions: Combining Insert and Select Statements for Efficiency and Readability

Alternating Category Order While Maintaining Groupings Based on Question ID in SQL

SQL Function to Retrieve Detailed Movie Ratings and Marks