sme=((Customer_type='C'));
I have a command like this. What does it mean? I dont know how to google this and what is the key command here...?
This is called a Boolean Expression. It returns 1 if Customer_type='C' and 0 if not.
You don't need any of the parentheses. Though many programmers like to have a set of parentheses around it to highlight that it is a Boolean Expression.
It's not a command, it is an assignment statement.
Customer_type='C'
is a comparison, which yields 1 (true) when the condition is met, otherwise 0 (false). The resulting value is stored in variable sme.
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