Question

what is column? state there 1 numerical.​

Answer 1

• A column is a vertical group of values within a table. It contains values from a single field in multiple rows. In databases, columns may be defined as individual fields within a table.Therefore, when multiple values from a column are selected, they will all have similar information, such as a list of phone numbers.

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Answer 2

Explanation:

head(murders) #> state abb region population total #> 1 Alabama AL South 4779736 135 ... For example, class(1) returns numeric. ... We need to specify the number of rows and columns.