Table zfindb.informix.snp_download 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
snpd_pk_id serial 10  √ 
snpd_rs_acc_num varchar 40
snpd_mrkr_zdb_id varchar 50
marker.mrkr_zdb_id snpd_mrkr_zdb_id_foreign_key_odc C

Table contained 2,546,874 rows at Thu Jun 22 08:42 PDT 2017

Column(s) Type Sort Constraint Name
snpd_pk_id Must be unique Asc snp_download_primary_key_index
snpd_mrkr_zdb_id Performance Asc snpd_mrkr_zdb_id_index
snpd_rs_acc_num + snpd_mrkr_zdb_id Must be unique Asc/Asc snpd_rs_mrkr_alternate_key_index

Close relationships  within of separation: