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- if and #if ; which one is better to use - Stack Overflow
if and #if are different things with different purposes If you use the if statement, the condition is evaluated at runtime, and the code for both branches exists within the compiled program The condition can be based on runtime information, such as the state of a variable if is for standard flow control in a program If you use the preprocessor's #if, the condition is evaluated at compile
- bash - Difference between if -e and if -f - Stack Overflow
There are two switches for the if condition which check for a file: -e and -f What is the difference between those two?
- What are the differences between if-else and else-if? [closed]
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?
- powerbi - Multiple IF Statements in DAX - Stack Overflow
I currently have Column Data formulated below in Power BI which I need for it to display in one column but replacing the "1" with a Text value being: Orginal column formula: Age (18-27) = IF(AND(
- How to use if - else structure in a batch file? - Stack Overflow
I have a question about if - else structure in a batch file Each command runs individually, but I couldn't use quot;if - else quot; blocks safely so these parts of my programme doesn't work How
- How do I perform an IF. . . THEN in an SQL SELECT?
The CASE statement is the closest to IF in SQL and is supported on all versions of SQL Server SELECT CAST( CASE WHEN Obsolete = 'N' or InStock = 'Y' THEN 1 ELSE 0 END AS bit) as Saleable, * FROM Product You only need to use the CAST operator if you want the result as a Boolean value If you are happy with an int, this works: SELECT CASE WHEN Obsolete = 'N' or InStock = 'Y' THEN 1 ELSE 0 END
- SQL Server IF NOT EXISTS Usage? - Stack Overflow
No, it is not As I'm using EXISTS, I was just following what I thought was standard practice in sub-queries using EXISTS
- SQL IF, BEGIN, END, END IF? - Stack Overflow
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 contain multiple SQL statements, the BEGIN-END block If you omit the BEGIN-END block, your SQL will run fine, but it will only execute the first statement as part of the IF Basically, this: IF @Term = 3 INSERT
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