Обсуждение: how to Adding a foreign key to a table already created???

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how to Adding a foreign key to a table already created???

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"leon alexander"
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hi there,
i have already created a table.The next table (artist), i would like to create requires a foreign key (cd_no) from a table (cd) which cannot be created until the table (artist) is made. Can i add the foreign key (cd_no) too the 'artist' table later???
leon