Return records WHERE selected table column data is not found in another table column


stlcardinals
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I am having trouble figuring out the WHERE syntax for a query where I want to return only the records where the data in column "user_ID" from table user_name is not found in the column "user_ID" from table user_password.
So...

Code:

SELECT user_login_password.user_ID, user_name.user_ID
FROM user_name, user_login_password

How do I set up my WHERE statement so that if the same data is in both "user_name.user_ID" and "user_login_password.use

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I am having trouble figuring out the WHERE syntax for a query where I want to return only the records where the data in column "user_ID" from table user_name is not found in the column "user_ID" from table user_password.
So...
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