ERMaster is Eclipse plug-in to make ER diagram. Functionally, Import from data base, Making of table definition book on Excel, Image output, DDL output, etc. are being offered. Features 2014-12-14 [Bug Fix] for #108 In exporting excel, if height > width, the size of picture become 0.2014-12-14 Change not to create backup file in exporting excel.2014-12-12 [Bug Fix] for #110 N:N Relation in ERM GUI