How to create a foreign key to multiple tables?
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Possible to do a MySQL foreign key to one of two possible tables?
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Create unique sequence per set of rows sharing the same foreign key value
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Adding Foreign Key Error
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Foreign key constraint on array member?
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Insert into 2 tables from 1 form. Mysql Transaction?
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"Too many indexes on table" error when creating relationships in Microsoft Access 2010
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SQL query return data from multiple tables
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Why use foreign keys if cascade action is not need?
149745
Simulate FULL OUTER JOIN with Access on more than two tables
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How to join on the same table multiple times?
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error altering table, adding constraint foreign key getting error "Cannot add or update a child row"
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how to fetch data from two tables in mysql?
82364
MySql update two tables at once
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Foreign key constraints failures
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How to list table foreign keys
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MS SQL "ON DELETE CASCADE" multiple foreign keys pointing to the same table?
132279
UPDATE all column values equivalent to another tables column value based on their id