gus_demo : tf_relation_type : column analysis
columnforeign refsprimary refsminvalmaxvalmedianmeanstand devnonnullsno nullsminsizemaxsizetypedefacto type
relation_type_idtf_relation.relation_type_id:10331.5001.1184111int(11)int(1)
name411621varchar(27)varchar(21)

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