by Narendar Yalamanchilli | Feb 18, 2020 | Data Flow, Snowflake
Migrating to Snowflake Cloud Data Warehouse Migration from a legacy data warehouse such as Netezza to a cloud based Snowflake data warehouse requires multiple steps. Data Validation is the key to success of data migration projects. Datagaps Data Flow can be used to... 
by Narendar Yalamanchilli | Jul 30, 2017 | ETL Testing
Type 2 Slowly Changing Dimensions are used in the Data Warehouses for tracking changes to the data by preserving historical values. This is achieved by creating a new record in the dimension whenever a value in the set of key columns is modified and maintaining start...