Wednesday, June 4, 2025

On-Premises to Snowflake Migration – Visual Flow

 On-Premises to Snowflake Migration – Visual Flow

┌────────────────────┐
1. On-Prem Sources │ │ (SQL Server, etc) │ └────────┬───────────┘ │ ▼ ┌────────────────────────┐ │ 2. Data Extraction │ │ (BCP, Sqoop, Scripts) │ └────────┬───────────────┘ │ ▼ ┌────────────────────────────┐ │ 3. Cloud Storage (S3/Azure)│ │ → Staging Area │ └────────┬───────────────────┘ │ ▼ ┌────────────────────────────┐ │ 4. Load to Snowflake │ │ (COPY INTO, Snowpipe) │ └────────┬───────────────────┘ │ ▼ ┌────────────────────────────┐ │ 5. Transformations │ │ (ELT via dbt, SQL, etc.) │ └────────┬───────────────────┘ │ ▼ ┌────────────────────────────┐ │ 6. Validation & Testing │ │ (Counts, Checksums) │ └────────┬───────────────────┘ │ ▼ ┌────────────────────────────┐ │ 7. Optimization & Go-Live │ │ (Clustering, Monitoring) │

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