Question

Table A has 5 rows and Table B has 4 rows. Exactly 3 rows in A each match exactly one row in B under a given join condition (the remaining 2 rows in A have no matching row in

  • B . What are the row counts returned by a CROSS JOIN of A and B, and a LEFT OUTER JOIN (A LEFT JOIN
  • B on that condition, respectively?
A 9 and 5
B 20 and 3
C 20 and 5
D 12 and 5
E 20 and 7
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