Many organizations are currently using traditional RDBMS systems for legacy reasons, including for some of their critical business areas. These systems have served well over the past decades when there were controlled data input channels. However, the growth of Cloud systems and increased information inflow through social media channels has put tremendous stress on these traditional systems. The challenges are multifold:
The traditional data warehouse systems have been unable to efficiently handle these changes. A large number of customers have Teradata as the backbone of their data warehouse system and are now struggling to keep up with business demands. The need to migrate to Big Data platforms has never been more critical.
Drivers for moving from legacy systems like Teradata to Big Data platforms like Hadoop.
While Teradata implementations across companies differ in many ways, there are some questions that need to be asked before embarking on any migration plan. These include: