JKW

Database Technology Stack

PostgreSQL / MySQL / MongoDB / Redis / Elasticsearch

PostgreSQL / MySQL

Relational database with ACID transaction support and powerful complex query capabilities

MongoDB

NoSQL document database with flexible schema and horizontal scalability

Redis

In-memory database, high-speed caching, and message queue support

Elasticsearch

Distributed search engine, full-text search, log analysis

Services

Database Architecture Design

Design a reasonable table schema, indexing strategy, and database sharding solution based on business requirements.

Performance Optimization

Query optimization, index tuning, parameter configuration adjustment, and slow query analysis

Data Migration

Heterogeneous database migration, data synchronization, and ETL workflow design

High Availability Solution

Master-slave replication, cluster deployment, failover, and backup & recovery strategies

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Guangdong ICP Preparation 2022115681 No. -1