Columns that square in cross section
Building that has columns were found in the medieval times.
This is a square matrix where the number of rows and the number of columns are equal.
Boaz and Jachin
groups and famalies
With superglue
Divide it in to 3 columns.
A matrix having the same number of rows and columns is a SQUARE MATRIX.
groups and famalies
It is an array with the same number of rows and columns.
periods are the rows and families are the columns
It permits columns with different names to be joined. It permits columns that don't have matching data types to be joined.