Use the following table to find the OUTPUT of the following SQL queries:Table Name: PatientsMEDICAL NOFIRST NAMESUR NAMEBLOOD TYPEPCR TESTDOBGENDERPHONEFAXWEIGHTSMOKER1001SaidAlalawi12-Jun-2001Male9887744522114454A68NONegative1002OthmanMualla20-Apr-2000Male78YESPositive1003SameeraBader19-Oct-2005Female2554112252NOPositive1004FahadAlhinai24-Feb-2004Male91122544AB66YESNegative1005shamsaAlfahdi15-Sep-2002Female35NONegativeSELECT NVL2 (phone, fax, 0)FROM patientsWHERE medical no= 1005;Answer:

NVL2(expr1, expr2, expr3) : The NVL2 function examines the first expression. If the first expression…

Use the following table to find the OUTPUT of the following SQL queries: Table Name: Patients MEDICAL NO FIRST NAME SUR NAME DOB GENDER PHONE FAX BLOOD TYPE WEIGHT SMOKER PCR TEST 1001 Said Alalawi 12-lun-2001 Male 98877445 22114454 NO Negative 1002 Othman Mualla 20-Apr-2000 Male 78 VES Positive 1003 Sameera Bader 19-Oct-2005 Female 25541122 52 NO Positive 1004 Fahad Alhinai 24-Feb-2004 Male 91122544 AB 66 YES Negative 1005 shamsa Alfahdi 15-Sep-2002 Female 35 NO Negative SELECT NVL2 (phone, fax, 0) FROM patients WHERE medical_no = 1005; Answer:

Use the following table to find the OUTPUT of the following SQL queries: Table Name: Patients MEDICAL NO FIRST NAME SUR NAME DOB GENDER PHONE FAX BLOOD TYPE WEIGHT SMOKER PCR TEST 1001 Said Alalawi 12-lun-2001 Male 98877445 22114454 NO Negative 1002 Othman Mualla 20-Apr-2000 Male 78 VES Positive 1003 Sameera Bader 19-Oct-2005 Female 25541122 52 NO Positive 1004 Fahad Alhinai 24-Feb-2004 Male 91122544 AB 66 YES Negative 1005 shamsa Alfahdi 15-Sep-2002 Female 35 NO Negative SELECT NVL2 (phone, fax, 0) FROM patients WHERE medical_no = 1005; Answer:

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

Intermediate SQL Concepts

A query is a request for data or information from one or more database tables. This information could be presented in the form of pictorials, graphs, or complicated findings which helps in easy interpretation. Structured Query Language (SQL) is the most widely used programming language for retrieving and organizing data from relational databases. Collection of tables with rows and columns is referred to as a database. SQL is the language of databases. It makes it easier to extract specific data from databases, which can then be used for analysis.

Question

Use the following table to find the OUTPUT of the following SQL queries:
Table Name: Patients
MEDICAL NO
FIRST NAME
SUR NAME
BLOOD TYPE
PCR TEST
DOB
GENDER
PHONE
FAX
WEIGHT
SMOKER
1001
Said
Alalawi
12-Jun-2001
Male
98877445
22114454
A
68
NO
Negative
1002
Othman
Mualla
20-Apr-2000
Male
78
YES
Positive
1003
Sameera
Bader
19-Oct-2005
Female
25541122
52
NO
Positive
1004
Fahad
Alhinai
24-Feb-2004
Male
91122544
AB
66
YES
Negative
1005
shamsa
Alfahdi
15-Sep-2002
Female
35
NO
Negative
SELECT NVL2 (phone, fax, 0)
FROM patients
WHERE medical no
= 1005;
Answer:

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