The structured query language is a powerful tool for connecting to many database systems that store data in tables organized into rows and columns. It's often used on the backend of business ...

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 ...

Learn the difference between columns vs rows, and learn how the use of rows and columns to organize objects and information in spreadsheets and tables has improved various fields from data ...

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 ...

DBAs spend a lot of time on tuning application code and SQL statements to boost efficiency and optimize access. But SQL is only one aspect of database systems performance. It is also important for ...

Using default values on database columns helps to insulate database design issues from application code. Find out how to change a column's default value at a later date using a single command.