Table zfindb.informix.marker_history 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
mhist_zdb_id varchar 50
zdb_active_data.zactvd_zdb_id mhist_zdb_id_foreign_key C
mhist_mrkr_zdb_id varchar 50
marker.mrkr_zdb_id mhist_mrkr_zdb_id_foreign_key C
mhist_event varchar 40
marker_history_event.mhistvnt_name mhist_event_foreign_key R
mhist_reason varchar 50  √  null
marker_history_reason.mhistrsn_name mhist_reason_foreign_key R
mhist_date datetime year to second 19
mhist_mrkr_name_on_mhist_date varchar 255
mhist_mrkr_abbrev_on_mhist_date varchar 150
mhist_comments lvarchar 2048  √  null
mhist_dalias_zdb_id varchar 50  √  null
data_alias.dalias_zdb_id mhist_dalias_zdb_id_foreign_key R
mhist_mrkr_prev_name varchar 255  √  null

Table contained 223,322 rows at Thu Jun 22 08:42 PDT 2017

Column(s) Type Sort Constraint Name
mhist_comments + mhist_zdb_id Must be unique Asc/Asc marker_history_primary_key_index
mhist_comments + mhist_dalias_zdb_id Performance Asc/Asc mhist_dalias_zdb_id_index
mhist_comments + mhist_event Performance Asc/Asc mhist_event_index
mhist_comments + mhist_mrkr_zdb_id Performance Asc/Asc mhist_mrkr_zdb_id_index
mhist_comments + mhist_reason Performance Asc/Asc mhist_reason_index

Close relationships  within of separation: