Find_SRID
Name
Find_SRID — Returns the SRID defined for a geometry column.
Synopsis
    
     integer
     
      Find_SRID
     
     (
    
    varchar
    
     a_schema_name
    
    , varchar
    
     a_table_name
    
    , varchar
    
     a_geomfield_name
    
    
     )
    
    ;
   
Description
Returns the integer SRID of the specified geometry column by searching through the GEOMETRY_COLUMNS table. If the geometry column has not been properly added (e.g. with the AddGeometryColumn function), this function will not work.