NPlus One Problem

What is the N+1 Query Problem and How Do You Fix It?

The N+1 query problem is a performance anti-pattern where code runs one query to fetch a list of N parent records, then runs one additional query per parent to…

ORM Lazy Loading vs Eager Loading: What is the Difference?

Lazy loading fetches an object's related data only at the moment it is actually accessed in code, issuing a separate query on demand, while eager loading fetch…

What Query Batching Strategies Reduce Database Round Trips?

Query batching combines what would be many individual database round trips into fewer, larger operations — such as a single multi-row INSERT, a batched IN clau…

Stored Procedures vs ORM: What Are the Trade-offs?

Stored procedures push logic and multi-statement operations into the database itself for performance and centralized control, while an ORM keeps logic in appli…

GraphQL vs REST: How Do They Fetch Data From Databases Differently?

REST exposes fixed, resource-shaped endpoints that each return a predetermined set of columns and joins decided by the server, while GraphQL exposes a single e…

API Composition vs Database Joins: How Do They Differ?

A database join combines rows from multiple tables in a single database engine using one SQL statement, while API composition assembles a result by calling mul…

What Is the GraphQL N+1 Problem and How Do You Solve It?

The GraphQL N+1 problem happens when resolving a list field triggers one query to fetch the list plus one additional query per item to resolve a nested field,…