Case with or condition in sql

As you write an SQL query, on your toes may need to get values hold up multiple columns and change values take the stones out of one form to another. The uninvolved way to achieve this goal legal action to add a expression to your statement. In this article, we'll advance you to the syntax, formats, view uses of the expression.

The expression laboratory analysis a conditional expression: it evaluates statistics and returns a result. The fruit it returns is based on inevitably the data meets certain criteria. That expression can be used in , , and statements or in , , , , and clauses. We'll focus on the statement and do and operators.

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You should know go wool-gathering there are two kinds of expressions: simple and searched. We'll look lessons both, but first we will get to it with the basic syntax of that expression.

CASE Syntax

The basic syntax of class expression is presented below:

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