Which of the following is the correct syntax for the Nz function?

Question

BlackTom AI · Accepted Answer

The question asks for the correct syntax of the Nz function. Note that the provided data does not include any answer options to compare against, so we cannot evaluate multiple choices. The answer field does supply a singular syntax: Nz(variant [, valueifnull]).

In general, the Nz function is used to convert Null values to a specified substitute. The first argument, variant, is the expression or value that might contain Null. The second argument, valueifnull, is optional and provides the value to return if variant is Null. When valueifnull is omitted and variant is Null, Nz returns Null in some environments, but typically you supply a replacement value to avoid Nulls in calculations.

Why this syntax makes sense: it clearly shows the required first parameter (the potential Null) and marks the second parameter as optional with the square brackets, indicating that providing a substitute is not mandatory but commonly used. The structure Nz(variant [, valueifnull]) aligns with common database and reporting tool conventions where an optional parameter is enclosed in brackets to denote its optionality.

Why other hypothetical options might be wrong: if another option attempted to place valueifnull before variant, or used a semicolon instead of a comma, that would violate the standard function signature conventions in most environments. If an option claimed Nz takes more than two parameters or used a non-optional second parameter, that would contradict the documented signature. If an option omitted both parameters or used a different function name entirely, those would also be incorrect.

Because there are no alternative answer choices provided to contrast, we rely on the supplied correct form: Nz(variant [, valueifnull]), which matches the expected parameter order and the notation for an optional argument.

CSE 2111 SP2025 (7144) Carmen Quiz 11 - Chapters 12 and 13 - Using Inner Joins & Using Outer Joins in a Query

Which of the following is the correct syntax for the Nz function?

查看解析

登录即可查看完整答案

类似问题

Using the ___________ function in a field containing a null value will result in a user-defined value or a default value of zero.