Database Migration
About Database Migration
The process of employing a database migration service to move data from one or more source databases to one or more target databases is known as database migration. The dataset from the source databases is completely present in the destination databases when migration is complete, but it may have undergone some reorganization.
Database migration has gained immense popularity across the globe resulting in huge demand for certified professionals.
Who should take the Database Migration Exam?
- Managers
- Database Administrators
- Data Analyst
- Data Engineers
- Data Scientist
Skills Required
- Database Fundamentals
- Platform Knowledge
- Data Migration Tools & Utilities
- Scripting & Querying Skills
- Migration Planning & Execution
- Performance & Troubleshooting
- Security & Compliance
Course Outline:
Module 1: Introduction to Database Migration
- What is database migration?
- Common migration scenarios (on-prem to cloud, cloud-to-cloud, cross-platform)
- Phases of a migration lifecycle
- Understanding risks and mitigation strategies
Module 2: Assessing the Source and Target Databases
- Inventory of objects: tables, indexes, views, stored procedures
- Identifying incompatible data types and features
- Schema comparison techniques
- Estimating data volume and transfer time
Module 3: Migration Planning & Pre-Migration Checklist
- Defining goals, SLAs, and success metrics
- Choosing the right migration method (full-load, incremental, real-time)
- Backup strategies and rollback plans
- Preparing network, storage, and access controls
Module 4: Schema Conversion and Mapping
- Using tools for schema conversion (e.g., AWS SCT, SQL Server Migration Assistant)
- Handling data type conversions and naming conflicts
- Validating schema in the target environment
- Migrating stored procedures, triggers, and functions
Module 5: Data Export and Import Techniques
- Using tools like mysqldump, pg_dump, bcp, and Data Pump
- Flat file vs. direct connections
- Bulk insert techniques and file formats (CSV, JSON, SQL scripts)
- Chunked exports and parallel processing
Module 6: Real-Time and Incremental Migrations
- Change Data Capture (CDC) and replication methods
- Tools for real-time sync (e.g., AWS DMS, Debezium)
- Handling lag, conflicts, and failovers
- Switching production to the new database
Module 7: Post-Migration Validation and Testing
- Verifying record counts and data integrity
- Running checksum validations and hash comparisons
- Functional testing of application queries
- Performance benchmarking pre- and post-migration
Module 8: Security, Compliance & Optimization
- Role and permission migration
- Encryption in-transit and at-rest
- Optimizing indexes and queries in the target system
- Archiving logs and maintaining audit trails
Module 9: Migration Troubleshooting & Recovery
- Diagnosing common issues (timeout errors, failed imports, broken schema)
- Rollback and restore procedures
- Logs and error tracking
- Handling partial migrations and retry mechanisms
Module 10: Practice Exam & Capstone Project
- Section A: Multiple choice questions on migration theory
- Section B: Command-line and SQL scenario questions
- Section C: Case-based assessment (planning a real-world migration)
- Capstone Task: Simulate a migration (schema + data) and document the process
Exam Format and Information
- Certification name – Certificate in Database Migration
- Exam duration – 60 minutes
- Exam type - Multiple Choice Questions
- Eligibility / pre-requisite - None
- Exam language - English
- Exam format - Online
- Passing score - 25
- Exam Fees - INR 1199