What is the use of IIF in SQL?

What does IIF do in SQL?

IIF is a shorthand way for writing a CASE expression. It evaluates the Boolean expression passed as the first argument, and then returns either of the other two arguments based on the result of the evaluation.

How do I use IIF?

You can use IIf anywhere you can use expressions. You use IIf to determine if another expression is true or false. If the expression is true, IIf returns one value; if it is false, IIf returns another.

IIf Function.

Argument Description
falsepart Required. Value or expression returned if expr is False.

What is difference between IF and IIF?

The critical difference between IIF (available from VS 2002 forward) and IF (available in VS 2005 forward) is that IIF is a function and evaluates all of its arguments prior to returning a value, while IF is an operator that executes like a short-circuiting conditional, only evaluating the true or false argument …

What is the difference between IF and IIF in SQL?

The final argument to IIF is returned in the event of an UNKNOWN result for the comparison. If this argument is left out, Null is returned. The IF THEN ELSE function evaluates a sequence of test conditions and returns the value for the first condition that is true. If no condition is true, the ELSE value is returned.

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What does IIF stand for?

IIF

Acronym Definition
IIF If and only If
IIF Image Interchange Framework (digital motion picture production)
IIF Informix Internet Foundation
IIF Information in Identifiable Form

Is true function in SQL?

The IIF() function returns a value if a condition is TRUE, or another value if a condition is FALSE.

What are the three parts of an IIF function?

One of the first things you need to understand is that the “IIF” is composed of three separate parts, the “Logical Statement”, the “True” part, and the “False” part.

How do I use IIF in VBA?

Example #1 – VBA IIF

Go to Insert tab and click on Module. It will add a new module under VBE. Step 2: Define a new sub-procedure which can hold your macro in this module. Step 3: Define two new variables Var_1 as Long and Result with data type as a variant.

Can we use if else in SQL?

Else statement in SQL Server. In MS SQL, IF…ELSE is a type of Conditional statement. Any T-SQL statement can be executed conditionally using IF… ELSE. If the condition evaluates to True, then T-SQL statements followed by IF condition in SQL server will be executed.

CAN YOU DO IF statements in SQL?

IF statements can be used to conditionally enter into some logic based on the status of a condition being satisfied. The IF statement supports the use of optional ELSE IF clauses and a default ELSE clause. … An END IF clause is required to indicate the end of the statement.

What is IIF tableau?

IIF(test, then, else, [unknown]) Checks whether a condition is met, and returns one value if TRUE, another value if FALSE, and an optional third value or NULL if unknown.

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