I need the answer please ! 10. Consider the following procedures for string manipulation.Procedure CallЕxplanationconcat (str1, str2)Returns a single string consisting of strl followed by str2. For example, concat ("key", "board") returns "keyboard".prefix (str, length)Returns the first length characters of str or str if length is greater than the number of characters in str. For example, prefix ("delivery", 3) returns "del" and prefix ("delivery", 100) returns "delivery".The variable initials is to be assigned a string consisting of the first letter of the string firstName followed by the first letter of the string lastName. Which of the following assigns the correct string to initials ?initials + concat(prefix(firstName, 1), prefix(lastName, 1))Вinitials + concat (prefix(firstName, 2), prefix (lastName, 2))Cinitials + prefix(concat (firstName, lastName), 1)Dinitials t prefix(concat (firstName, lastName), 2)

The string manipulation concat() method returns a single string str1 as str1=str1+str2 ie. str1 is…

10. Consider the following procedures for string manipulation. Procedure Call Explanation concat (strl, str2) Returns a single string consisting of strl followed by str2. For example, concat ("key", "board") returns "keyboard". prefix (str, length) The variable initials is to be assigned a string consisting of the first letter of the string firstName followed by the first letter of the string lastName. Which of the following assigns the correct string to initials? Returns the first length characters of str or str if length is greater than the number of characters in str. For example, prefix ("delivery", 3) retums "del" and prefix ("delivery", 100) retums "delivery". A initials + concat (prefix(firstName, 1), prefix(lastName, 1)) initials + concat(prefix(firstName, 2), prefix(lastName, 2)) initials + prefix(concat(firstName, lastName), 1) initials + prefix(concat(firstName, lastName), 2)

10. Consider the following procedures for string manipulation. Procedure Call Explanation concat (strl, str2) Returns a single string consisting of strl followed by str2. For example, concat ("key", "board") returns "keyboard". prefix (str, length) The variable initials is to be assigned a string consisting of the first letter of the string firstName followed by the first letter of the string lastName. Which of the following assigns the correct string to initials? Returns the first length characters of str or str if length is greater than the number of characters in str. For example, prefix ("delivery", 3) retums "del" and prefix ("delivery", 100) retums "delivery". A initials + concat (prefix(firstName, 1), prefix(lastName, 1)) initials + concat(prefix(firstName, 2), prefix(lastName, 2)) initials + prefix(concat(firstName, lastName), 1) initials + prefix(concat(firstName, lastName), 2)

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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