The Database Evolution Challenge
Database changes are risky: - Schema migrations can cause downtime - Data loss is permanent - Performance regressions impact users - Rollbacks are complex
Sweet! CLI brings autonomous, safe database evolution by understanding your data model, migration patterns, and business requirements.
Realistic Database Examples with Sweet! CLI
Example 1: Schema Design
Design a new database schema:
$ sweet "Design database schema for task management application with: users, tasks, projects, comments, and file attachments. Include indexes, constraints, and relationships."
Sweet! CLI will create: - SQL migration files - Entity models - Index recommendations - Data validation rules - Backup strategy
Example 2: Safe Migration
Add a new column without downtime:
$ sweet "Add 'notification_preferences' JSON column to users table without downtime. Create migration that: adds nullable column, backfills data, makes column non-nullable, updates application code."
Example 3: Performance Optimization
$ sweet "Analyze query performance in our production database. Identify slow queries, missing indexes, and normalization issues. Provide optimization plan."
Complete Database Evolution Workflow
Step 1: Analyze Current State
$ sweet "Analyze our current database schema, query patterns, and performance metrics. Create baseline report and identify improvement opportunities."
Step 2: Design Target Schema
$ sweet "Design improved schema based on analysis. Goals: better performance, easier maintenance, support for new features. Provide migration strategy."
Step 3: Implement Migration
$ sweet "Implement zero-downtime migration from current to target schema. Include: backward compatibility, data validation, rollback plan, and monitoring."
Real-World Scenario: E-commerce Database
Adding Multi-currency Support
$ sweet "Add multi-currency support to our e-commerce database. Changes: add currency columns, exchange rate tables, update existing order data, maintain price consistency."
Partitioning Large Tables
$ sweet "Partition our orders table by date for better performance. Strategy: monthly partitions, maintain foreign key relationships, update application queries."
Implementing Soft Deletes
$ sweet "Implement soft delete pattern across all tables: add deleted_at columns, update all queries to filter deleted records, create archive strategy."
Advanced Database Patterns
Event Sourcing
$ sweet "Implement event sourcing for order processing. Store all state changes as events, rebuild state from event log, support replay and auditing."
Read-Write Separation
$ sweet "Implement read-write database separation. Route read queries to replicas, handle replication lag, failover procedures, and monitoring."
Data Archiving
$ sweet "Design data archiving strategy: identify cold data, create archive tables, implement archive process, update queries to handle archived data."
Migration Safety with Sweet! CLI
Safe Schema Changes
$ sweet "Implement safe schema change for adding non-nullable column: 1) Add nullable, 2) Backfill, 3) Make non-nullable, 4) Update application code in stages."
Data Validation
$ sweet "Create comprehensive data validation for migration: check data integrity, foreign key relationships, business logic constraints before and after migration."
Rollback Planning
$ sweet "Create rollback plan for database migration: steps to revert, data preservation, application compatibility, monitoring for issues."
Performance Tuning
Query Optimization
$ sweet "Analyze slow queries from production logs. Suggest and implement: better indexes, query rewriting, materialized views, or caching strategies."
Index Management
$ sweet "Audit our database indexes: identify unused indexes, missing indexes, duplicate indexes. Create optimized index strategy."
Connection Pooling
$ sweet "Optimize database connection pooling: configure pool size, timeouts, health checks, and failover for our application workload."
Getting Started
# Install Sweet! CLI
$ npm install -g sweet-cli
# Analyze your database
$ sweet "Analyze our database schema and provide improvement recommendations"
# Plan a migration
$ sweet "Create migration plan for adding new feature requirements to our database"
# Execute safely
$ sweet --work-for 1h "Implement database changes with zero-downtime strategy"
Conclusion
Database evolution no longer needs to be a risky, manual process. With Sweet! CLI's autonomous approach, you describe what you need to achieve, and it handles the complex implementation details—from schema design to safe migration execution.
By combining AI's understanding of database patterns with your specific business requirements, Sweet! CLI enables confident, rapid database evolution.
Transform your database management. Try Sweet! CLI today.