day241.有一分数序列：2/1，3/2，5/3，8/5，13/8，21/13...求出这个数列的前20项之和result = 0a = 2b = 1for i in range(20): result += a/b temp = b b = a a += tempprint(result)i=0,a=2,b=1i=1,tem...
Which of the following information will be gathered by the SQL Test Case Builder for the problems pertaining to SQL-related problems? (Choose all that apply.)A. ADR diagnostic filesB. all the optimiz...
Which two statements correctly describe the relation between a data file and the logical databasestructures? (Choose two.)A.An extent cannot spread across data files.B.A segment cannot spread across ...
