depenvttypes

222 rows


Description

Lookup table of Depositional Environment Types. Table is referenced by the CollectionUnits table.

Columns

Column Type Size Nulls Auto Default Children Parents Comments
depenvtid serial 10 nextval('ndb.seq_depenvttypes_depenvtid'::regclass)
collectionunits.depenvtid fk_collectionunits_depenvttypesC
depenvttypes.depenvthigherid fk_depenvthigheridR

An arbitrary Depositional Environment Type identification number.

depenvt varchar 255 null

Depositional Environment.

depenvthigherid int4 10 null
depenvttypes.depenvtid fk_depenvthigheridR

The Depositional Environment Types are hierarchical. DepEnvtHigherID is the DepEnvtID of the higher ranked Depositional Environment. The following table gives some examples.

recdatecreated timestamp 22 timezone('UTC'::text, now())
recdatemodified timestamp 22 null

Indexes

Constraint Name Type Sort Column(s)
depenvttypes_pkey Primary key Asc depenvtid

Relationships