Organizations need databases that can meet increasing demands for data storage and accommodate data variety efficiently. Column-oriented databases fit this description. Columnar databases are a type ...

Column-oriented databases and row-oriented databases are both methods for storing data in data warehouses. They both use tables with rows containing entries and columns for the data about the entry.

Database sizes have grown exponentially, with more than half of all databases in use globally projected to exceed 10TB by 2010, according to The Data Warehouse Institute. But as the size of data ...

DB2 V10.1 introduced Row and Column Access Control (RCAC) as a new feature for securing data within a DB2 table. Here's a look at the performance of the permissions that control row access. (In ...