Answered: s = {(1,5,3), (2,8,2)} t= {(1,1,7), (9,…

s = {(1,5,3), (2,8,2)} t= {(1,1,7), (9, null, 2), (5,0,5), (2,2,7)} complete the SQL expression to yield the result below: SQL Expression SELECT t.w FROM t WHERE t.i (1,2,7,9);

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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Question

Consider the following relational schema:
s (i, w, x)
t (k,l, w)
and the following tuples:
s = {(1,5,3), (2,8,2)}
t= {(1,1,7), (9, null, 2), (5,0,5), (2,2,7)}
complete the SQL expression to yield the result below:
SQL Expression
SELECT
t.w FROM t
WHERE t.i
RESULT
t.w
JAAAAAA
7
+
(1,2,7,9);
ON

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