PostgreSQL
(โพสต์เกรสคิวแอล)
Definition
PostgreSQL (โพสต์เกรสคิวแอล) Tool
PostgreSQL is an advanced open-source relational database management system known for its robustness, extensibility, and standards compliance, widely used for managing and querying structured data.
Expertise Level
Level 1
Basic
1. Can install and configure PostgreSQL database.
2. Understands basic SQL commands like SELECT, INSERT, UPDATE, and DELETE.
3. Can create simple tables and perform basic queries.
Level 2
Intermediate
1. Can design relational schemas and manage database relationships.
2. Understands and implements indexes, constraints, and basic optimization.
3. Can write complex queries using JOINs, subqueries, and aggregate functions.
Level 3
Advanced
1. Can optimize query performance through advanced indexing and query planning.
2. Understands and implements complex features such as replication, partitioning, and stored procedures.
3. Can manage database security, backup, and recovery strategies effectively.
