Categories / sql
Calculating Average Wait Time Per Day in PostgreSQL Using Interval Arithmetic and Aggregation
Understanding Session Variables in PHP: A Solution for Persistent Data Storage
Understanding Truncation in SQL Server: A Comprehensive Guide
Optimizing Large Table Queries: Using Current Date with Window Functions in SQL
Identifying Duplicate Doctor Names with Different Codes Using SQL Queries
Extracting Alphanumeric Phrases from Strings Using Regular Expressions in SQL
Understanding Date Formats in SQL for Accurate Querying and Data Analysis
De-duplicating and Modifying Big Query Tables using Standard SQL
Speeding Up Oracle Queries: A Deep Dive into Conditional Aggregation and Joins
Understanding the Differences between GROUP BY and DISTINCT without Aggregate Functions