A warehouse database provides an advantage by remembering the old last name and tracking when the change took place.Tags: 6th Grade Problem Solving WorksheetsEssays And Quotations On BirthdaysHot Topics For Research PapersMini Research ProposalThe Five-Paragraph EssayInner Beauty Essay
Database warehouses are intended to store many versions of the same data.For example, they allow multiple users (even thousands! These do not follow the table/row/column approach of RDBMS.) to work with the data at the same time, creating advanced security for access to the data. Instead, they build bookshelves of elements and allow access per bookshelf.Operational databases are often copied into warehouses on regular bases. An operational database may store a person's current last name.If the name changes, perhaps through marriage, the new last name will replace the old one.Plus, get practice tests, quizzes, and personalized coaching to help you succeed.Try it risk-free Databases are basically containers for data.A key feature of operational databases is support for transactions.When a user purchases a TV online, it's important to remove money from his credit card first, and only ship the TV if the part is successful.Saving a list of names in a file, starting with first name and followed by last name, would be a simple database. You can update records by changing specific names, you can remove rows by deleting lines, and you can add new rows by adding new lines.Desktop database programs are another type of database that's more complex than a text database but intended for a single user.