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MySQL 8.0 Reference Manual  /  INFORMATION_SCHEMA Tables  /  The INFORMATION_SCHEMA ST_UNITS_OF_MEASURE Table

25.28 The INFORMATION_SCHEMA ST_UNITS_OF_MEASURE Table

The ST_UNITS_OF_MEASURE table (available as of MySQL 8.0.14) provides information about acceptable units for the ST_Distance() function.

The ST_UNITS_OF_MEASURE table has these columns:

  • UNIT_NAME

    The name of the unit.

  • UNIT_TYPE

    The unit type; for example, LINEAR.

  • CONVERSION_FACTOR

    A conversion factor used for internal calculations.

  • DESCRIPTION

    A description of the unit.


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