Categories / sql
Optimizing SQL Server Queries with Computed Persistent Columns and Indexes for Better Performance
A Deep Dive into Gaps and Islands: Calculating Consecutive Days for User Activity
REGEXP_REPLACE and String Manipulation in Oracle SQL: A Different Approach Using Auxiliary Functions
Counting Distinct Units with Condition Based on Different Column in SQL
Understanding Foreign Key Columns: The Validity of Tables with Solely Foreign Keys
Adding Comments to Laravel Eloquent Queries: A Guide to Custom Logging Functionality
Understanding the Echo JSON Issue: A Deep Dive into PHP Arrays and JSON Encoding
Understanding the Correct Syntax for Using Group By Clause in SQL Queries: A Practical Approach
Calculating Share Based on Other Column Values: SQL Solutions for Proportion Data Analysis
How to Filter Data Using SQL Date Ranges in SQL Server 2014