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

Service Offerings

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Database Architecture Design

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

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Performance Optimization

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

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Data Migration

Heterogeneous database migration, data synchronization, and ETL workflow design

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High Availability Solution

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

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Guangdong ICP Preparation 2022115681 No. -1