In a perfect world, we should just be able to write queries and leave the RDBMS to decide the perfect strategy to get the data. Until then we have to understand the Query Optimise and the way it uses distribution statistics.
In a perfect world, we should just be able to write queries and leave the RDBMS to decide the perfect strategy to get the data. Until then we have to understand the Query Optimise and the way it uses distribution statistics.