Table zfindb.informix.feature_history Generated by
SchemaSpy
Legend: SourceForge.net
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
fhist_zdb_id varchar 50
zdb_active_data.zactvd_zdb_id fhist_zdb_id_foreign_key_odc C
fhist_ftr_zdb_id varchar 50
feature.feature_zdb_id fhist_ftr_zdb_id_foreign_key_odc C
fhist_event varchar 40
marker_history_event.mhistvnt_name fhist_event_foreign_key R
fhist_reason varchar 50  √  null
marker_history_reason.mhistrsn_name fhist_reason_foreign_key R
fhist_date datetime year to second 19
fhist_ftr_name_on_fhist_date varchar 255
fhist_ftr_abbrev_on_fhist_date varchar 150
fhist_comments lvarchar 2048  √  null
fhist_dalias_zdb_id varchar 50  √  null
data_alias.dalias_zdb_id fhist_dalias_zdb_id_foreign_key R
fhist_ftr_prev_name varchar 255  √  null

Table contained 62,687 rows at Tue Dec 20 09:53 PST 2016

Indexes:
Column(s) Type Sort Constraint Name
fhist_comments + fhist_zdb_id Must be unique Asc/Asc feature_history_primary_key_index
fhist_comments + fhist_dalias_zdb_id Performance Asc/Asc fhist_dalias_zdb_id_index
fhist_comments + fhist_event Performance Asc/Asc fhist_event_index
fhist_comments + fhist_ftr_zdb_id Performance Asc/Asc fhist_ftr_zdb_id_index
fhist_comments + fhist_reason Performance Asc/Asc fhist_reason_index

Close relationships  within of separation: