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N+1 Query Problem: Salah Satu Penyebab Aplikasi Lambat yang Sering Tidak Disadari
Pelajari apa itu N+1 Query Problem, penyebab, dampaknya terhadap performa aplikasi, serta berbagai cara mengatasinya menggunakan JavaScript, Node.js, ORM seperti Prisma, Sequelize, TypeORM, hingga teknik optimasi query database.
Misalnya Prisma:
new PrismaClient({
log: ["query"]
})Dengan logging aktif, Anda dapat melihat seluruh query yang dijalankan dan dengan cepat mengenali pola N+1.
Cara Mengatasi N+1 Query Problem
1. Gunakan Eager Loading
Cara paling umum adalah menggunakan eager loading.
Prisma:
const posts = await prisma.post.findMany({
include: {
author: true,
comments: true
}
})Sequelize:
include: [User]TypeORM:
relations: {
author: true
}Share:
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