Object-Relational Mapping (ORM)
(การแมปวัตถุสัมพันธ์ฐานข้อมูล (ORM))
Definition
Object-Relational Mapping (ORM) (การแมปวัตถุสัมพันธ์ฐานข้อมูล (ORM)) Hard Skill
Object-Relational Mapping (ORM) is a programming technique that allows developers to convert data between incompatible type systems in object-oriented programming languages and relational databases, streamlining database interactions through objects rather than direct SQL statements.
Expertise Level
Level 1
Basic
1. Understands the fundamental concepts of ORM.
2. Can perform simple CRUD (Create, Read, Update, Delete) operations using an ORM library.
3. Familiar with basic configuration and mapping of simple objects to database tables.
Level 2
Intermediate
1. Can handle complex object relationships such as one-to-many and many-to-many mappings.
2. Able to write efficient queries using ORM query languages or methods.
3. Understands transaction management and lazy vs eager loading concepts in ORM.
Level 3
Advanced
1. Can optimize ORM usage for performance and scalability in large applications.
2. Able to customize and extend ORM framework functionality as needed.
3. Understands the underlying database and SQL to troubleshoot and fine-tune ORM behavior.
