Understanding Postgres Query Logic: The Importance of Using Parentheses in Controlling Multiple Where Clauses

How to Use Lateral Joins to Get the Most Recent Exchange Rate for Each Transaction in PostgreSQL

Retrieving the Latest Two Comments for Each Post in PostgreSQL

Hive/Impala Query Group By for Total Success and Failed Records in Hadoop

Understanding Postgres Timestamps in Functions

Counting Conversations with Exchange

How to Overcome Duplicate Records in Redshift Databases Using Window Functions and Join Logic

How to Find Profiles with More than 3 Photos but Not in Used Service Table Using SQL's EXISTS and NOT EXISTS Clauses

Why You Get an Error Querying from a Column Alias and How to Work Around It

How to Write a SQL Query to Retrieve the First Artist Whose Death Date is After Louis Armstrong's Death Date Without Using LIMIT