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如何制作一个主表,其中包含“Instructor”列的一个实例,并在“Instructor”主列旁边显示“formsreturned”和“availability_avg”?
只需创建一个标准INNER JOIN:
INNER JOIN
SELECT T1.Instructor, T1.Availability_Avg, T2.FormsReturned FROM Table1 T1 INNER JOIN Table2 T2 ON T1.Instructor = T2.Instructor