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But if you have a boss actually influenced by an ad like this, make sure they and you have both read Dan McCreary and Ann Kelly's Making Sense of NoSQL.
Each major flavor of non-relational database has something it's good at (and plain-old relational databases in turn have things they're good at). This book will explain why.
They basically break databases down into 5 major types in use today:
"Relational" (This is your classic FileMakerPro / Microsoft Acces / Oracle / SQL Server / MySQL / PostgreSQL database. The one you think of as a database. From a beginner's perspective, you can think of it as a bunch of Excel spreadsheets that cross-reference each other, and each record in a "spreadsheet" has a defined set of values you're allowed to fill in (think of the column headers.))
"Key-Value"
"Columnar" (A specialized form of key-value database. Be sure to learn how, plus why it's different enough to get its own name.)
"Document" (A specialized form of key-value database. Be sure to learn how, plus why it's different enough to get its own name.)
"Graph" (Some versions are a specialized form of key-value database. Be sure to learn how, plus why it's still different enough to get its own name.)
Interestingly, from what I hear at Salesforce talks, they present a user interface to their customers that, for all practical purposes, gives those customers a traditional "relational database," but on the back end, Salesforce has been migrating from storing what actually goes into those "databases" away from a relational database of their own and into a ... I think it was a columnar database, but I wouldn't swear to it.
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That's absolutely preposterous.
Good, attention-getting marketing, though. Can't blame MongoDB.
But if you have a boss actually influenced by an ad like this, make sure they and you have both read Dan McCreary and Ann Kelly's Making Sense of NoSQL.
Each major flavor of non-relational database has something it's good at (and plain-old relational databases in turn have things they're good at). This book will explain why.
They basically break databases down into 5 major types in use today:
Interestingly, from what I hear at Salesforce talks, they present a user interface to their customers that, for all practical purposes, gives those customers a traditional "relational database," but on the back end, Salesforce has been migrating from storing what actually goes into those "databases" away from a relational database of their own and into a ... I think it was a columnar database, but I wouldn't swear to it.