gus_demo : tf_dbmap : column analysis
columnforeign refsprimary refsminvalmaxvalmedianmeanstand devnonnullsno nullsminsizemaxsizetypedefacto type
dbmap_idtf_dbmap_table.dbmap_id:1100int(11)int(1)
map_name00char(1)char(1)
timecreated00timestamptimestamp

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