Is the answer below true or false Rewrite the following query in relationalalgebra form using operator tree.SELECT std_nameFROM std_info,std_absenceWHEREstd_info.std_id=std_absence.std_idAND std_info.std_dpt='net'AND std_info.std_avg>70AND std_absence.date%='2020-12-06';std-nameprojntEtate="2020-18-06select EA std-id.joinstd-inea

Relational algebra is a procedural query language, which takes instances of relations as input and…

Tollowing query in rélátional algebra form using operator tree. SELECT std_name FROM std_info,std_absence WHERE std_info.std_id%3=std_absence.std_id AND std_info.std_dpt='net' AND std_info.std_avg>70 AND std_absence.date='2020-12-06';

Tollowing query in rélátional algebra form using operator tree. SELECT std_name FROM std_info,std_absence WHERE std_info.std_id%3=std_absence.std_id AND std_info.std_dpt='net' AND std_info.std_avg>70 AND std_absence.date='2020-12-06';

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

Is the answer below true or false

Rewrite the following query in relational
algebra form using operator tree.
SELECT std_name
FROM std_info,std_absence
WHERE
std_info.std_id=std_absence.std_id
AND std_info.std_dpt='net'
AND std_info.std_avg>70
AND std_absence.date%='2020-12-06';
std-name
projnt
Etate="2020-18-06
select E
A std-id.
join
std-inea

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