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Table pub.mgd.mrk_mcv_cache
A record in this table represents the cached value of a Marker and its Feature Types. See MRK_Marker. See mrkcacheload/mrkmcv.csh.

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
_marker_key int4 10
mrk_marker._marker_key mrk_mcv_cache__marker_key_fkey C
foreign key to MRK_Marker
_mcvterm_key int4 10
mrk_mcv_count_cache._mcvterm_key Implied Constraint R
foreign key to VOC_Term where _Vocab_key = 79 (Marker Category); 'gene', 'protein coding gene', 'non-coding RNA gene', etc.
term text 2147483647 term description (VOC_Term.term)
qualifier bpchar 1 'D' = direct, 'I' = infered
directterms text 2147483647 direct vocabulary terms
_createdby_key int4 10 1001
mgi_user._user_key mrk_mcv_cache__createdby_key_fkey R
user who created the record
_modifiedby_key int4 10 1001
mgi_user._user_key mrk_mcv_cache__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 2,639,910 rows at Mon Sep 11 06:12 EDT 2023

Column(s) Type Sort Constraint Name
_marker_key + _mcvterm_key Primary key, Used to cluster data Asc/Asc mrk_mcv_cache_pkey
_marker_key Performance Asc mrk_mcv_cache_idx_marker_key
term Performance Asc mrk_mcv_cache_idx_term

Close relationships  within of separation: