Microsoft Excel 2010 can convert a worksheet to a data table to help you quickly analyze your related data in formatted rows and columns. When you need to expand the table layout, apply the Home tab ...

Community driven content discussing all aspects of software development from DevOps to design patterns. The key difference between columns and rows is that a column arranges data vertically from top ...

Make your R data.table code more efficient and elegant with these special symbols and operators. Plus, learn about the new fcase() function R data.table code becomes more efficient — and elegant — ...

Designing an appropriate set of indexes can be one of the more troubling aspects of developing efficient relational database applications. Perhaps, the most important thing you can do to assure ...

The performance of the full table scan is critical for the overall performance of column-store database systems such as the SAP HANA database. Compressing the underlying column data format is both an ...

Provisio, provider of the clinical trial volunteer-finder service iTrials, has hit pay dirt in a column-based database architecture. The highly data-intensive processing required for its service had ...

Oracle’s Virtual Private Database (VPD) feature (also called Fine Grained Access Control) provides row-level security checking for DML statements such as SELECT. A PL/SQL policy function is associated ...