Categories / sql
SELECT destinatario_id, mensagem, remetente_id, ROW_NUMBER() OVER (PARTITION BY destinatario_id ORDER BY created_at) AS row_num FROM mensagens m WHERE to_id = 1 AND created_at IN (SELECT min(created_at) FROM mensagens m2 WHERE m2.destinatario_id = m.destinatario_id)
Using Dynamic Values in Databricks SQL Queries: A Deep Dive into SQL Parameters
Querying Categorical Data in SQL Columns: A More Effective Approach with GROUP BY and DISTINCT
Retrieving the Lowest Level in a Hierarchy with Boundaries: A Corrected Approach
Understanding Foreign Key Constraints in SQL for Strong Database Relationships
Understanding Character Encodings: A Guide to Avoiding Comparing Values That Don't Match
SQL Query to Filter Blog Comments Based on Banned Words
SQL Server: Comparing and Removing Duplicate Values from a Comma-Separated String
Storing Big Numbers in PostgreSQL: A Deep Dive into Data Types and Storage
Migrating WordPress Usermeta Table to Laravel DB: Joining Multiple Rows with Unique Identifier