Author Question: One important difference between a relation and a column family is that ________. A) the rows in ... (Read 81 times)

melina_rosy · **on:** Jul 7, 2018

One important difference between a relation and a column family is that ________.

A) the rows in a column family can have different numbers of columns
B) the columns in a column family are unnamed
C) all values in a column family must have the same timestamp
D) values in a column family must be strings

Question 2

Which SQL keyword is used to change the values of an entire column?

A) CHANGE
B) INSERT
C) SELECT
D) SET