mysql - understand table flow -

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today got db dump understand table flow structure; uploaded dump on mysql. there 3 databases 1st db has 10 tables every table has primary key, , multi key 2nd db has 3 every table has primary key, , multi key 3rd db has 101 every table has primary key, , multi key

but there no foreign key. how can understand table data flow .

if don't have relationship defined can query tables find common columns/fields can used define relations. can try mysql workbench gives option reverse engineer database:

http://dev.mysql.com/workbench/

it create database diagram selected tables based on relationships.


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