This article is part of my SQL-Tutorial
Sometimes you need to retrieve data from a database without knowing the exact string to look up
so wildcards for the rescue
Se_en represents a pattern with a wildcard character.
_ means you can substitute any individual character here without breaking the pattern.
It matches exactly one character.
Se7en both match this pattern.
The percentage sign
% is another wildcard character that can be used with
It matches one or more characters