gus_demo : tf_relation : column analysis
columnforeign refsprimary refsminvalmaxvalmedianmeanstand devnonnullsno nullsminsizemaxsizetypedefacto type
relation_id11286.5003.45212112int(11)int(2)
table_name121718varchar(23)varchar(18)
display_column_name00char(1)char(1)
column_name121821varchar(27)varchar(21)
f_table_name121721varchar(27)varchar(21)
f_column_name121821varchar(27)varchar(21)
relation_type_id0012111int(11)int(1)

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