What Is the Difference Between Microsoft SSRS, SSIS and SSAS?. Microsoft complements its relational database engine, SQL Server, with several add-on services that manage different aspects of ...

Year to date (YTD) refers to the period beginning on the first day of the current calendar or fiscal year and extending up to the current date.

Using relative and radiometric dating methods, geologists are able to answer the question: how old is this fossil?