Both OLTP and DW segments of database software serve different purpose and benefit from faster servers.
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For example, normal ATM transactions during the day will be stored in OLTP database real time.
The consistency, reliability and availability is just not there yet to think about OLTP applications running on top of a NoSQL database.
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Our current respondents had a well-distributed mix of applications, with databases (orange) and OLTP (blue) indicated by 63% of the responses, and other applications dividing the rest, as shown Figure 1.
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