問題詳情
12. Suppose we have two tables, named TABLE-A and TABLE-B, respectively, as shown below.
(A) The result is a table of 7 records.
(B) There are 5 columns in the resulting table.
(C) Green appears in three records of the resulting table.
(D) Eight appears in two records of the resulting table.
(E) JOIN cannot be performed for these two tables.
參考答案
用户評論
【SLH】評論
(A) there are 4 reco☆☆☆.(☆) ...