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Data Models into Database Designs
For every relationship, how many possible sets of minimum cardinalities are there?
Two
Three
Four
Six
Correct Answer:
Four
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Data Models into Database Designs
Which of the following data constraints would be used to specify that the value of cells in a column must be one of a specific set of possible values?
A foreign key is:
For every relationship, how many possible types of actions are there when enforcing minimum cardinalities?
Which of the following column properties specifies whether or not cells in a column must contain a data value?
Which of the following column properties would be used to specify that cells in a column must contain a monetary value that is less than another monetary value in the same row?
Which of the following columns is(are) are required in a table?
Which is not true about surrogate keys?
If a relationship has a cascade updates constraint, then if ________ in the parent table is changed, then the same change will automatically be made to any corresponding foreign key value.
Which of the following column properties would be used to specify that cells in a column must contain a monetary value?
Which of the following data constraints would be used to specify that the value of a cell in one column must be less than the value of a cell in another column in the same row of the same table?
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