MySQL combine two columns into one column

Question

I\'m trying to find a way to combine two columns into one, but keep getting the value \'0\' in the column instead to the combination of the words.

These are what I\'

Answer 1

If you are Working On Oracle Then:

SELECT column1 || column2 AS column3
FROM table;

OR

If You Are Working On MySql Then:

SELECT Concat(column1 ,column2) AS column3
FROM table;