need help... **Question 18****Select the correct answer:**Roger wants to check whether a user has or has not entered data in a text field. How can he perform this validation?- **A.** Check if the value contains an escape character.- **B.** Check if the value is the same as the default.- **C.** Check if the value is numeric.- **D.** Check for a null character.Below the question and answer choices, two buttons are present for interaction:- A red button labeled "Reset"- A blue button labeled "Next"This indicates the usual process of navigating through multiple-choice questions, potentially in a quiz or test format typically found in online learning platforms. The user is expected to select one of the options and then proceed to the next question or reset their choice.

The text field may be contain a numeri value or character values. escape character is used for…

Select the correct arower. Roger warts to check whethea user has or has not entered data in a text neld, How can he perform thes validation? OA Check if the value contains an escape character, OB Check if the value is the same as the default. OC Oeck it the value is numeric. OD Check for a null character

Select the correct arower. Roger warts to check whethea user has or has not entered data in a text neld, How can he perform thes validation? OA Check if the value contains an escape character, OB Check if the value is the same as the default. OC Oeck it the value is numeric. OD Check for a null character

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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