I'm fairly green when it comes to this field. I'm a data analyst at a small hospital 8 months now, out of a 2 year degree in a new career field for me. Situation We have a Cobol "database" (I ...
Astor Data, Greenplum and GridSQL all allow Massive Parallel Processing of SQL queries. They are also all built around PostgreSQL technology. Is this just because of licensing issues or are there ...
After reading the Questions and Answers from this website about indexes, a question came to my mind. What if, one is using a time dimension table with the lower level of granularity being the day. ...
The dominant topologies of Data Warehouse modelling (Star, Snowflake) are designed with one-to-many relationships in mind. Query readability, performance, and structure degrades severely when faced ...
I need a database engine that can utilize multiple servers for processing a single SQL query in parallel. So far I know that this is possible with the some engines, though none of them are feasible ...