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Database Design & Management	Infrastructure	🗄️	Database architecture, design, optimization, migration, and managed database services for SQL and NoSQL systems.

Database Design & Management

Expert database solutions from architecture and design to optimization and ongoing management. We help organizations build reliable, performant, and scalable data storage systems.

Database Design & Architecture

Relational Database Design

• Entity-relationship modeling (ERD)
• Database normalization (1NF, 2NF, 3NF, BCNF)
• Schema design best practices
• Primary and foreign key relationships
• Indexing strategy
• Constraint definition (unique, check, not null)

Data Modeling

• Conceptual data modeling
• Logical data modeling
• Physical data modeling
• Dimensional modeling for data warehouses
• Star and snowflake schemas
• Slowly changing dimensions (SCD)

Architecture Patterns

• Single-instance databases
• Master-slave replication
• Multi-master replication
• Sharding and partitioning
• Database clustering
• Microservices database patterns

SQL Database Solutions

PostgreSQL

• Installation and configuration
• Performance tuning (shared_buffers, work_mem, etc.)
• Advanced features (JSONB, full-text search, arrays)
• PostGIS for geospatial data
• Logical replication and streaming
• Connection pooling (PgBouncer)

MySQL/MariaDB

• MySQL 8.x and MariaDB setup
• InnoDB optimization
• Query cache configuration
• Master-slave replication
• Galera Cluster for high availability
• Backup and recovery (mysqldump, Percona XtraBackup)

Microsoft SQL Server

• SQL Server installation and licensing
• T-SQL development
• Always On availability groups
• SQL Server Agent jobs
• Integration Services (SSIS)
• Reporting Services (SSRS)

Other SQL Databases

• Oracle Database administration
• SQLite for embedded applications
• CockroachDB for distributed SQL
• TimescaleDB for time-series data

NoSQL Database Solutions

MongoDB

• Document-oriented database design
• Replica set configuration
• Sharded cluster setup
• Aggregation pipeline optimization
• Schema validation
• Change streams for real-time updates

Redis

• In-memory data structure store
• Caching strategies and patterns
• Pub/Sub messaging
• Redis Sentinel for high availability
• Redis Cluster for horizontal scaling
• Persistence configuration (RDB, AOF)

Cassandra

• Wide-column store design
• Partition key selection
• Replication strategy
• Consistency level tuning
• Repair and maintenance
• Performance optimization

Other NoSQL Databases

• Elasticsearch for full-text search
• Neo4j for graph data
• DynamoDB integration
• Couchbase for mobile sync
• InfluxDB for metrics and time-series

Database Optimization

Query Optimization

• Query execution plan analysis
• Index optimization
• Query rewriting and restructuring
• Avoiding N+1 queries
• Batch operations
• Prepared statements and parameterization

Performance Tuning

• Configuration parameter optimization
• Memory allocation tuning
• Connection pool sizing
• Slow query log analysis
• Deadlock detection and resolution
• Vacuum and maintenance operations

Indexing Strategies

• B-tree indexes
• Hash indexes
• Full-text indexes
• Partial and conditional indexes
• Covering indexes
• Index maintenance and rebuilding

Database Migration Services

Migration Planning

• Current state assessment
• Migration strategy development
• Downtime estimation and minimization
• Rollback planning
• Testing and validation procedures

Database Migrations

• MySQL to PostgreSQL migration
• Oracle to PostgreSQL migration
• SQL Server to PostgreSQL migration
• On-premise to cloud migration (AWS RDS, Azure SQL)
• NoSQL to SQL (and vice versa)
• Data transformation and cleaning

Schema Migration Tools

• Flyway for version-controlled migrations
• Liquibase for database refactoring
• Alembic for Python applications
• ActiveRecord Migrations (Rails)
• Entity Framework Migrations (.NET)
• Custom migration scripts

Backup & Disaster Recovery

Backup Strategies

• Full, incremental, and differential backups
• Point-in-time recovery (PITR)
• Continuous archiving and WAL shipping
• Cross-region backup replication
• Backup encryption
• Backup testing and validation

High Availability Solutions

• Automatic failover configuration
• Load balancing read queries
• Multi-region active-active setup
• Zero-downtime deployments
• Health checks and monitoring

Disaster Recovery Planning

• Recovery Time Objective (RTO) planning
• Recovery Point Objective (RPO) planning
• Disaster recovery testing
• Documentation and runbooks
• Incident response procedures

Database Security

Access Control

• User and role management
• Principle of least privilege
• Row-level security (RLS)
• Column-level encryption
• Database firewall rules
• VPN and private networking

Data Encryption

• Encryption at rest (TLS/AES)
• Encryption in transit (SSL/TLS)
• Transparent data encryption (TDE)
• Application-level encryption
• Key management and rotation

Compliance & Auditing

• GDPR compliance (right to erasure, data portability)
• HIPAA compliance for healthcare data
• PCI DSS for payment data
• Audit logging and retention
• Access log monitoring

Data Warehousing & Analytics

Data Warehouse Design

• Star and snowflake schema design
• Fact and dimension tables
• Aggregate tables for performance
• ETL pipeline development
• Data quality and validation

OLAP Solutions

• Amazon Redshift
• Google BigQuery
• Snowflake data warehouse
• ClickHouse for analytics
• Apache Druid for real-time analytics

ETL/ELT Processes

• Apache Airflow for orchestration
• Data pipeline development
• Data transformation with DBT
• Incremental data loading
• Data validation and quality checks

Real-Time & Streaming Data

Change Data Capture (CDC)

• Debezium for CDC
• Database triggers and notifications
• PostgreSQL logical replication
• MySQL binlog streaming
• Event streaming to Kafka

Real-Time Analytics

• Apache Kafka integration
• Apache Flink for stream processing
• Real-time aggregations
• Materialized views
• Time-series optimizations

Database Monitoring

Performance Monitoring

• Query performance tracking
• Connection pool monitoring
• Slow query identification
• Resource utilization (CPU, memory, I/O)
• Replication lag monitoring

Monitoring Tools

• Prometheus and Grafana
• pgAdmin for PostgreSQL
• MySQL Workbench
• DataDog database monitoring
• Custom monitoring dashboards

Alerting & Notifications

• Threshold-based alerts
• Anomaly detection
• Downtime alerts
• Replication failure notifications
• Backup success/failure alerts

Database as a Service (DBaaS)

Managed Database Services

• AWS RDS (PostgreSQL, MySQL, SQL Server, Oracle)
• Amazon Aurora (MySQL/PostgreSQL compatible)
• Google Cloud SQL
• Azure SQL Database
• MongoDB Atlas
• Redis Enterprise Cloud

Self-Hosted Alternatives

• PostgreSQL on Docker/Kubernetes
• MySQL with automation (Ansible)
• Private database clusters
• On-premise high availability
• Hybrid cloud setups

Specialized Database Services

Geospatial Databases

• PostGIS for spatial data
• Location-based queries
• Spatial indexing (GiST, R-tree)
• Geographic data visualization
• Distance and proximity calculations

Time-Series Databases

• TimescaleDB (PostgreSQL extension)
• InfluxDB for metrics
• Prometheus TSDB
• Data retention policies
• Downsampling and aggregation

Graph Databases

• Neo4j for connected data
• Amazon Neptune
• Relationship queries
• Graph algorithms
• Social network analysis

Database Development

Stored Procedures & Functions

• PL/pgSQL (PostgreSQL)
• T-SQL (SQL Server)
• PL/SQL (Oracle)
• Custom function development
• Trigger implementation

Database API Development

• REST API over database
• GraphQL database integration
• PostgREST for automatic APIs
• Hasura for GraphQL
• Database-backed microservices

Training & Documentation

• Database administration training
• Query optimization workshops
• Schema design best practices
• Documentation and runbooks
• Knowledge transfer sessions

Technical Expertise

• SQL Databases: PostgreSQL, MySQL, SQL Server, Oracle
• NoSQL: MongoDB, Redis, Cassandra, Elasticsearch
• Cloud: AWS RDS/Aurora, Google Cloud SQL, Azure SQL
• Tools: pgAdmin, DataGrip, DBeaver, Tableau
• Languages: SQL, PL/pgSQL, Python, Go

Transform your data management with professional database solutions. Contact us for a consultation on your database needs.