What is the point in feeding an Hadoop cluster and using that cluster to feed data into a Vertica/InfoBright datawarehouse ? All thse vendor keep saying "we can connect with Hadoop", but I don't u...

We have a BI customer that generates about 40 Millions of rows every month in their sales data base tables, generated from their sales transactions. They want to build a Sales Data Mart with their ...

The application I'm working on is a Java-based ETL process that loads data into multiple tables. The DBMS is Infobright (a MYSQL-based DBMS geared for data warehousing). The data loading should be...

I'm building a data warehouse. Each fact has it's timestamp. I need to create reports by day, month, quarter but by hours too. Looking at the examples I see that dates tend to be saved in dimension...