ClickHouse/doc/reference/en/dicts/index.rst

12 lines
302 B
ReStructuredText

Dictionaries
=======
A dictionary is a mapping (key -> attributes) that can be used in a query as functions. You can think of this as a more convenient and efficient type of JOIN with dimension tables.
There are built-in (internal) and add-on (external) dictionaries.
.. toctree::
:glob:
*