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Table pub.mgd.mrk_classes
Defines relationship between MLC Marker and MLC Class descriptions. A Marker may have on or more MLC Classes associated with it.

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
_marker_key int4 10
mrk_marker._marker_key mrk_classes__marker_key_fkey C
foreign key to MRK_Marker
_class_key int4 10
mrk_class._class_key mrk_classes__class_key_fkey R
foreign key to MRK_Class
creation_date timestamp 29,6 now() date record was created
modification_date timestamp 29,6 now() date record was last modified

Table contained 6,159 rows at Thu Dec 21 05:31 EST 2017

Column(s) Type Sort Constraint Name
_marker_key + _class_key Primary key, Used to cluster data Asc/Asc mrk_classes_pkey
_class_key Performance Asc mrk_classes_idx_class_key

Close relationships  within of separation: