Mouse Genome Informatics Schema Browser  
 Mouse Genome Informatics
MGI Home    Help
Table pub.mgd.mrk_chromosome
A record in this table represents an ordered Chromosome for the specified Organism (Species). See MRK_Marker.

Generated by
Primary key columns
Columns with indexes
Implied relationships
Excluded column relationships
< n > number of related tables
Column Type Size Nulls Auto Default Children Parents Comments
_chromosome_key serial 10  √  nextval('mrk_chromosome_seq'::regclass) primary key
_organism_key int4 10
mgi_organism._organism_key mrk_chromosome__organism_key_fkey C
organism (foreign key to MGI_Organism)
chromosome text 2147483647 chromosome value
sequencenum int4 10 sequence number for ordering records
_createdby_key int4 10 1001
mgi_user._user_key mrk_chromosome__createdby_key_fkey R
user who created the record
_modifiedby_key int4 10 1001
mgi_user._user_key mrk_chromosome__modifiedby_key_fkey R
user who last modified the record
creation_date timestamp 29,6 now() date record was created
modification_date timestamp 29,6 now() date record was last modified

Table contained 364 rows at Mon Sep 11 06:12 EDT 2023

Column(s) Type Sort Constraint Name
_chromosome_key Primary key Asc mrk_chromosome_pkey
_organism_key + chromosome Must be unique Asc/Asc mrk_chromosome_idx_clustered
chromosome Performance Asc mrk_chromosome_idx_chromosome

Close relationships  within of separation: