[tag=DT] [tag=NN]? □? □
[tag=DT] [tag=NN]? [□]? □
[tag=DT] [tag=NN]? (□ | □)? □
the resultrelation This is an index into the rangetable that identifies the relation where the results of the query go . The attribute values themselves are strings generated by the output function associated with each attribute type . Obviously they have another commandtype and this time the resultrelation points to the rangetable entry where the result should go . The economy now creates new career opportunities for knowledge workers at a rate five times greater than the national average . See pg_hba.conf ( 5 ) for a description of the authentication systems available .