I use following query frequently: SELECT * FROM table WHERE Timestamp > [SomeTime] AND Timestamp < [SomeOtherTime] and publish = 1 and type = 2 order by Timestamp I would like to optimize ...
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, ...
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 ...
I have a table like this where people can subscribe to certain feeds and the query fetches from the subscription. Here is a sample table: ...
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 ...