Sql Excel : Databases, SQL, and Big Data

Collecting and analyzing data is a major activity, so many tools are available for
this purpose. Some of these focus on “big data” (whatever that might mean). Some
focus on consistently storing the data quickly. Some on deep analysis. Some have
pretty visual interfaces; others are programming languages.
SQL and relational databases are a powerful combination that is useful in any
arsenal of tools for analysis, particularly ad hoc analyses:
A mature and standardized language for accessing data
Multiple vendors, including open source
Scalability over a very broad range of hardware
A non-programming interface for data manipulations
Before continuing with SQL, it is worth looking at SQL in the context of other