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Would Mongo's ObjectID work well in InnoDB's clustered index?
Mongo's ObjectID is defined like this:
ObjectId is a 12-byte BSON type, constructed using:
a 4-byte value representing the seconds since the Unix epoch,
a 3-byte machine identifier,
...
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is it good to use combined primary key for MySQL InnoDB clustered index?
I'm trying to build a aggregated reader website of multiple forums.
Because most queries are likely to be within same time periods for written_time column,
I'm thinking about taking advantage of ...
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Can I have create an InnoDB table without a PK? If so, would a secondary index be used as the clustered index?
Is it possible to create an InnoDB table without a Primary Key?
Since InnoDB tables are structured as clustered index around the PK, what would be the structure of a table without PK? Would that ...