Which is faster/best? SELECT * or SELECT column1, colum2, column3, etc

Question

I\'ve heard that SELECT * is generally bad practice to use when writing SQL commands because it is more efficient to SELECT columns you specificall

Answer 1

To add on to what everyone else has said, if all of your columns that you are selecting are included in an index, your result set will be pulled from the index instead of looking up additional data from SQL.