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Netezza to Snowflake Migration

case study

Business Impacts

Designed and engineered the information flow

Provided high-impact future learning platforms

Identified and delivered appropriate data to the application at the right time

Enabled analytics team with advanced capabilities to adapt to rapidly-changing business needs

Customer Key Facts

  • Location : North America
  • Industry : Publishers

Problem Context

The customer, an American multinational publishing company, focuses on academic publishing and instruction materials. The Data Analytics & Insights team used Netezza Data Warehouse Appliances as analytical Data Stores hosted in their data center. IBM gradually discontinued support for non-production and production Netezza appliances.

Challenges

 

  • The customer faced the challenge of combining the varied data formats (xml, json, text, etc.) from internal/external sources with other datasets
  • Data needed to be transformed and stored in the relational format before being used.
  • The customer also required scalability, reduction in storage and compute, and spinning up data science compute clusters dedicated to specific business units.

Technologies

Python

Python

Cognos

Cognos

Snowflake

Snowflake

Migration of Data Assets from Teradata

Solution

  • Exported data from RDBMS to S3 buckets using python connectors
  • Imported data into staging tables from S3 buckets
  • Built CDC Logic to handle the Insert/Update/Delete in Snowflake

Result

Successfully migrated critical data from legacy systems to Snowflake, transformed data to be analytics-ready and business-friendly

 

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