Mysql partitioning: Difference between revisions
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= Partition Introspection = | |||
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EXPLAIN PARTITIONS SELECT * FROM users; # list partitions, partition-key for query | |||
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</blockquote><!-- Partition Introspection --> | |||
Revision as of 02:21, 8 September 2022
A partitioned table's contents are stored in different locations (ex. different servers).
A partitioning key is passed to a function to determine which partition a row or column should belong to.
Partitions must share the same storage-engine
Partition Methods
horizontal: rows are partitioned vertical: cols are partitioned
Partitioning Strategies
Partition Introspection
EXPLAIN PARTITIONS SELECT * FROM users; # list partitions, partition-key for query
