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In-Memory Databases: Do You Need The Speed?
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Somedude8
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Somedude8,
User Rank: Ninja
3/3/2014 | 12:01:08 PM
Whoa...
Good article, but I have to admit that my brains is still grappliing with that chart that shows MS Access more used than anything other than SQL Server! Crazay as it sounds, I believe it.

One related point, it seems like some folks are skipping right past the SSD options. I know one company that is still running SQL Server on disks, now asking about in memory. I was trying to get them to at least try SSDs for about a year. They just couldn't seem to hear it, or grasp the order of magnitude speed increase they would see. But somehow, in memory gets past that coporate ear filter. Very strange.
D. Henschen
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D. Henschen,
User Rank: Author
3/3/2014 | 9:39:33 AM
In-memory DBMS vs. In-memory option
Read carefully. There are in-memory database management systems (SAP Hana, Oracle TimesTen, IBM solidDB, etc.) and then there are in-memory features being added to conventional databases (IBM BLU Acceleration for DB2, Microsoft In-Memory OLTP feature of Microsoft SQL Server 2014, the coming In-Memory Option for Oracle 12c). Everyone's promising "dramatic performance improvements" and "non disruption," but only SAP is also saying it can deliver "radical simplification." In my book (and from what customers tell me), non-disruption and radical simplification are mutually exclusive, so consider the business value before committing everything to an in-memory approach.

 
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