Which statement about multiple OLTP databases in an organisation is NOT true?单项选择题

A

Multiple OLTP databases in an organisation created separate views of the business data

B

Multiple OLTP databases in an organisation may result in duplicated and inaccessible data within an organisation, and sometimes within a line of business (e.g. Sales).

C

Multiple OLTP databases in an organisation could come from different vendor databases (Oracle Microsoft, IBM) in the organisation

D

Multiple OLTP databases in an organisation always store data that is accurate, complete and consistent

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