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Table pub.mgd.prb_strain_genotype
A record in this table represents a Strain/Genotype association. An association is qualified using the _Qualifier_key. A Strain can have 0 or more Genotypes associated with it.

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
_straingenotype_key serial 10  √  nextval('prb_strain_genotype_seq'::regclass) primary key
_strain_key int4 10
prb_strain._strain_key prb_strain_genotype__strain_key_fkey C
foreign key to PRB_Strain
_genotype_key int4 10
gxd_genotype._genotype_key prb_strain_genotype__genotype_key_fkey R
foreign key to GXD_Genotype
_qualifier_key int4 10
voc_term._term_key prb_strain_genotype__qualifier_key_fkey R
foreign key to VOC_Term where _Vocab_key = 32 (Strain/Genotype Qualifier)
_createdby_key int4 10 1001
mgi_user._user_key prb_strain_genotype__createdby_key_fkey R
user who created the record
_modifiedby_key int4 10 1001
mgi_user._user_key prb_strain_genotype__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 20,897 rows at Mon Sep 11 06:12 EDT 2023

Column(s) Type Sort Constraint Name
_straingenotype_key Primary key, Used to cluster data Asc prb_strain_genotype_pkey
_strain_key Performance Asc prb_strain_genotype_idx_clustered
_createdby_key Performance Asc prb_strain_genotype_idx_createdby_key
_genotype_key Performance Asc prb_strain_genotype_idx_genotype_key
_modifiedby_key Performance Asc prb_strain_genotype_idx_modifiedby_key
_qualifier_key Performance Asc prb_strain_genotype_idx_qualifier_key

Close relationships  within of separation: