Controls the evaluation of other expressions.
expression1 WHERE expression2
expression1 | A value expression. |
expression2 | A logic expression using conditional and Boolean operators. |
If expression2 is logically true, the value of expression1; otherwise, $Null.
let i = { 1 where Age < 10, \
2 where Age between 10 and 30, \
4 where Age > 50, 3 }
Assigns a value to the variable i based on Age.
compute Employees evaluate \
(let TotSal = $total(Salary where LastName = "Smith")
Finds the total of the salaries of all employees named Smith.