Parallelism

The exploitation of parallelism within a database and within an application accessing a database can also have a significant benefit for overall database performance, as well as the normal administrative tasks. There are two types of query parallelism that are available with DB2 UDB: inter-query parallelism and intra-query parallelism.

Inter-query parallelism refers to the ability of multiple applications to query a database at the same time. Each query will execute independently of the others, but DB2 UDB will execute them at the same time.

Intra-query parallelism refers to the ability to break a single query into a number of pieces and replicate them at the same time using either intra-partition parallelism or inter-partition parallelism, ...

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