Editing Data type (section)

===Convenience types===
For convenience, high-level languages and databases may supply ready-made "real world" data types, for instance times, dates, and monetary values (currency).<ref>{{cite web |last1=West |first1=Randolph |title=How SQL Server stores data types: money |url=https://bornsql.ca/blog/how-sql-server-stores-data-types-money/ |website=Born SQL |access-date=28 January 2022 |date=27 May 2020 |quote=Some time ago I described MONEY as a “convenience” data type which is effectively the same as DECIMAL(19,4), [...]}}</ref><ref>{{cite web |title=Introduction to data types and field properties |url=https://support.microsoft.com/en-us/office/introduction-to-data-types-and-field-properties-30ad644f-946c-442e-8bd2-be067361987c |website=support.microsoft.com |access-date=28 January 2022}}</ref> These may be built-in to the language or implemented as composite types in a library.<ref>{{cite book |last1=Wickham |first1=Hadley |title=R for data science: import, tidy, transform, visualize, and model data |location=Sebastopol, CA |isbn=978-1491910399 |access-date=28 January 2022|chapter=16 Dates and times|year=2017 |chapter-url=https://r4ds.had.co.nz/dates-and-times.html}}</ref>