Table cxgn.public.feature_dbxref

links a feature to dbxrefs. This is for secondary identifiers; primary identifiers should use feature.dbxref_id

Generated by
SchemaSpy

Legend:

Primary key columns

Columns with indexes

Implied relationships

Excluded column relationships

Dashed lines show
implied relationships

< n > number of related tables

Please support this project

Column

Type

Size

Nulls

Auto

Default

Children

Parents

Comments

feature_dbxref_id

serial

√

nextval('feature_dbxref_feature_dbxref_id_seq'::regclass)

feature_id

int4

feature.feature_id

feature_dbxref_feature_id_fkey

dbxref_id

int4

dbxref.dbxref_id

feature_dbxref_dbxref_id_fkey

is_current

bool

true

the is_current boolean indicates whether the linked dbxref is the current -official- dbxref for the linked feature

Table contained 359,283 rows at Sat Oct 11 01:33 EDT 2008

Indexes:

Column(s)	Type	Sort	Constraint Name
feature_dbxref_id	Primary key	Asc	feature_dbxref_pkey
feature_id + dbxref_id	Must be unique	Asc/Asc	feature_dbxref_c1
feature_id	Performance	Asc	feature_dbxref_idx1
dbxref_id	Performance	Asc	feature_dbxref_idx2