Categories / sql
Counting Repeat Callers Per Day Using SQL Window Functions
Optimizing Complex Database Queries Using Subqueries and Joins
Fetching Most Recent Past Date and Next Upcoming Appointment Dates in SQL
Understanding Natural Join in Oracle: A Deep Dive
Dynamic Fetch Type Change in Native Queries with Hibernate/JPA
Selecting Rows Based on Maximum Column and Latest Date in PostgreSQL: A Step-by-Step Guide to Achieving Your Goals
Optimizing Table Updates with PostgreSQL Subqueries
SQL Count Without Group By to Return Zero When No Matches Using SQL Server's `CASE` Statement or Left JOINs
Querying Months and Number of Days in a Month of the Current Year in SQL
Calculating Average Grades by Subject or Major: A SQL Query Approach