Documentation Home
MySQL Information Schema
Related Documentation Download this Excerpt
PDF (US Ltr) - 333.6Kb
PDF (A4) - 338.0Kb
HTML Download (TGZ) - 59.9Kb
HTML Download (Zip) - 122.0Kb


MySQL Information Schema  /  The INFORMATION_SCHEMA ST_GEOMETRY_COLUMNS Table

Chapter 33 The INFORMATION_SCHEMA ST_GEOMETRY_COLUMNS Table

The ST_GEOMETRY_COLUMNS table provides information about table columns that store spatial data. This table is based on the SQL/MM (ISO/IEC 13249-3) standard, with extensions as noted. MySQL implements ST_GEOMETRY_COLUMNS as a view on the INFORMATION_SCHEMA COLUMNS table.

The ST_GEOMETRY_COLUMNS table has these columns:

  • TABLE_CATALOG

    The name of the catalog to which the table containing the column belongs. This value is always def.

  • TABLE_SCHEMA

    The name of the schema (database) to which the table containing the column belongs.

  • TABLE_NAME

    The name of the table containing the column.

  • COLUMN_NAME

    The name of the column.

  • SRS_NAME

    The spatial reference system (SRS) name.

  • SRS_ID

    The spatial reference system ID (SRID).

  • GEOMETRY_TYPE_NAME

    The column data type. Permitted values are: geometry, point, linestring, polygon, multipoint, multilinestring, multipolygon, geometrycollection. This column is a MySQL extension to the standard.