The natural join operator provides the ability to include nonmatching rows in the result table as well as matching rows.
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Q5: In the case of a natural join,where
Q6: With regards to referential integrity constraints,a row
Q7: Unary relationships involve multiple tables and are
Q8: Candidate keys that are not primary keys
Q9: Because they are commonly occur,and contain columns
Q11: The extended cross product operator can only
Q12: When using a full outer join between
Q13: An advantage of using a constraint name
Q14: The relational algebra operator restrict produces a
Q15: Regarding delete and update actions on referenced
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