TechRepublic

Data Warehousing Concept Using ETL Process for SCD Type-2

SCD type 2 will store the entire history in the dimension table. In SCD type 2 effective date, the dimension table will have start-date and end-date as the fields. If the end-date is null, then it ...
CRN

Fivetran Adds ‘Reverse ETL’ Capabilities To Its Data Movement Portfolio With Acquisition

Fivetran is buying Census, which develops its Reverse ETL platform for making prepared, trusted data in data warehouse systems available for operational and AI applications. Data movement tech company ...
ZDNet

Oracle takes a new twist on MySQL: Adding data warehousing to the cloud service

MySQL, the open source relational database that came to Oracle through the Sun Microsystems acquisition, originated as a relatively simple relational database that was known for one task: transaction ...
TechRepublic

Data Warehousing Concept Using ETL Process for SCD Type-3

In this approach, only the information about a previous value of a dimension is written into the database. An ‘Old ‘or ‘Previous’ column is created which stores the immediate previous attribute. The ...