Which is not true about surrogate keys?
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?
Surrogate keys have much meaning for users.
For every relationship, there are six possible referential integrity actions.
Intersection tables are ID-dependent on both their parent tables.
When the parent entity is required, cascading updates and cascading deletions should be allowed or the associated actions on the parent should be prohibited.
In a 1:1 relationship, the primary key placement is arbitrary.
Which of the following column properties would be used to specify that cells in a column must be immediately filled with a monetary value of $10,000?
A primary key should be defined as:
When the child entity is required, we are restricted from creating a new parent row without also creating a corresponding child row at the same time.
An ideal primary key is short, numeric and seldom changing.
For every relationship, there are six possible sets of minimum cardinalities.
Which of the following column properties would be used to specify that cells in a column must contain a monetary value?
An intersection table is required to represent M:N relationships.
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