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 ...

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 ...

You can Merge and combine columns without losing data in Excel using the following two methods: Using an Operator Using the CONCATENATE formula. Let us see both these methods in detail. While using ...

When databases became available for the personal computer in the mid-1980s, they quickly gained a mystique as the ultimate productivity applications. Despite their widespread use, in some ways they ...

The optimizer is the heart and soul of a relational DBMS. It analyzes SQL statements and determines the most efficient access plan for satisfying each statement. The optimizer accomplishes this by ...