a. Their query results
b. The columns they have in common
c. The number of rows they contain
d. The number of columns they contain
a. The SELECT clause
b. The FROM clause
c. The WHERE clause
d. The HAVING clause
a. An intersecting product
b. A union product
c. A Cartesian product
d. A truncated product
a. A Cartesian join
b. An equi join
c. A natural join
d. A multi-table join
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