It has to do with the Normal Form for the SQL language. IF statements can, by definition, only take a single SQL statement. However, there is a special kind of SQL statement which can …

If you are trying to close a question where someone should be using this idiom and isn't, consider closing as a duplicate of Why is Python running my module when I import it, and how do I stop …

What sorts of methods exist for prematurely exiting an if clause? There are times when I'm writing code and want to put a break statement inside of an if clause, only to remember that those can …

I need to add one more name based on if condition. If If variable value from another .yml file is "yes" then add a new name in the list I've the following code in my yaml file: JsNames: - name: '

I am trying to discern the difference between: if else and else if How do you use these? And when do you use them and when not?

Is it possible to use an IF clause within a WHERE clause in MS SQL? Example: WHERE IF IsNumeric(@OrderNumber) = 1 OrderNumber = @OrderNumber ELSE OrderNumber LIKE …

But if the chain of the related If's occur inside of a function and each would execute a [return] statement, then the net effect of multiple if's matches using else if. However, it'd still be better …

There is no bitwise negation in Python (just the bitwise inverse operator ~ - but that is not equivalent to not). See also 6.6. Unary arithmetic and bitwise/binary operations and 6.7. Binary …

I have a DataFrame df: A B a 2 2 b 3 1 c 1 3 I want to create a new column based on the following criteria: if row A == B: 0 if rowA > B: 1 if row A < B: -1 so gi...

I have a question about if - else structure in a batch file. Each command runs individually, but I couldn't use "if - else" blocks safely so these parts of my programme doesn't work. …