• SQL/OGIS - General Information
    • Both standards are being adopted by many vendors
    • The choice of spatial data types and operations is similar
    • Syntax differs from vendor to vendor
    • Readers may need to alter SQL/OGIS queries given in text to make them run on specific commercial products
  • Using OGIS with SQL
    • Spatial data types can be used in DML to type columns
    • Spatial operations can be used in DML

Última modificación: Thursday, 17 de November de 2005, 17:34