Hi, I'm relatively new to biomart, so pardon me if this is a totally stupid question.
I'm trying to create a virtual mart from a mysql database (tables are isam), but when I open the schema_editor it displays the tables and columns correctly, but doesn't seem to link all the tables to each other the way I expect. Eg I have a table called "experiment" and one called "massSpec", which ought to be linked by the column "file_name", but no link is shown. I've tried some joins which work with the mysql database, which suggests to me that the tables are linked okay in mysql. I hope this is something dead simple that I've missed, but the documentation seems to suggest that one can't alter the links between tables in a source schema - is there a way to do this or do I need to redesign my database? thanks in advance, Jane Charlesworth
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