C. d. ne: ID: A 7. A summer camp offers a morning session and an afternoon session. The list morningList contains the names of all children attending the morning session, and the list afternoonList contains the names of all children attending the afternoon session. Only children who attend both sessions eat lunch at the camp. The camp director wants to create lunchList. which will contain the names of children attending both sessions. The following code segment is intended to create lunchList, which is initially empty. It uses the procedure IsFound (list, name), which returns true if name is found in list and returns false otherwise. FOR EACH child IN morningList Which of the following could replace so that the code segment works as intended? IF (ISFound (lunchList, child)) IF (IsFound (afternoonList, child)) APPEND (afternoonList, child) APPEND (lunchList, child) a. IF ((Is Found (morningList, child)) OR (IsFound (afternoonList, child) )) IF (IsFound (morningList, child)) APPEND (lunchList, child) APPEND (lunchList, child) b.

C. d. ne: ID: A 7. A summer camp offers a morning session and an afternoon session. The list morningList contains the names of all children attending the morning session, and the list afternoonList contains the names of all children attending the afternoon session. Only children who attend both sessions eat lunch at the camp. The camp director wants to create lunchList. which will contain the names of children attending both sessions. The following code segment is intended to create lunchList, which is initially empty. It uses the procedure IsFound (list, name), which returns true if name is found in list and returns false otherwise. FOR EACH child IN morningList Which of the following could replace so that the code segment works as intended? IF (ISFound (lunchList, child)) IF (IsFound (afternoonList, child)) APPEND (afternoonList, child) APPEND (lunchList, child) a. IF ((Is Found (morningList, child)) OR (IsFound (afternoonList, child) )) IF (IsFound (morningList, child)) APPEND (lunchList, child) APPEND (lunchList, child) b.

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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Concept explainers

SQL

SQL stands for Structured Query Language, is a form of communication that uses queries structured in a specific format to store, manage & retrieve data from a relational database.

Queries

A query is a type of computer programming language that is used to retrieve data from a database. Databases are useful in a variety of ways. They enable the retrieval of records or parts of records, as well as the performance of various calculations prior to displaying the results. A search query is one type of query that many people perform several times per day. A search query is executed every time you use a search engine to find something. When you press the Enter key, the keywords are sent to the search engine, where they are processed by an algorithm that retrieves related results from the search index. Your query's results are displayed on a search engine results page, or SER.

Question

C.
d.
ne:
ID: A
7. A summer camp offers a morning session and an afternoon session. The list morningList contains the names
of all children attending the morning session, and the list afternoonList contains the names of all children
attending the afternoon session.
Only children who attend both sessions eat lunch at the camp. The camp director wants to create lunchList.
which will contain the names of children attending both sessions.
The following code segment is intended to create lunchList, which is initially empty. It uses the procedure
IsFound (list, name), which returns true if name is found in list and returns false otherwise.
FOR EACH child IN morningList
<MISSING CODE>
Which of the following could replace <MISSING CODE> so that the code segment works as intended?
IF (ISFound (lunchList, child))
IF (IsFound (afternoonList, child))
APPEND (afternoonList, child)
APPEND (lunchList, child)
a.
IF ((Is Found (morningList, child)) OR
(IsFound (afternoonList, child) ))
IF (IsFound (morningList, child))
APPEND (lunchList, child)
APPEND (lunchList, child)
b.

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