With SQL, how do you select all the columns from a table named "Persons"? a. SELECT *.Persons
b. SELECT * FROM Persons
c. SELECT Persons​

The following function returns a string of length n whose characters are all 'x'. give the order of growth (as a function of n) of the running time. recall that concatenating two strings in java takes time proportional to the sum of their lengths. public static string f(int n) { if (n == 0) return ""; if (n == 1) return "x"; return f(n/2) + f(n - n/2); } options: a) constant b) logarithmic c) linear d) linearithmic e)quadratic f)cubic g) exponential

Which database model is best used for data warehouse and data mining

Which type of tab stop is most for weights and measurements?