Hi,
In a DataMart analysis for a CRM system, about 10 Dim tables are joined with FactTable to see if the account is also in the table (inner join). This takes a long time (even with an index on KeyCol) for large amounts of data (1 million rows per DIM
In a DataMart analysis for a CRM system, about 10 Dim tables are joined with FactTable to see if the account is also in the table (inner join). This takes a long time (even with an index on KeyCol) for large amounts of data (1 million rows per DIM
