Question 3. . Consider the following two command C1 and C2 on the relation R from an SQL database: C1: drop table R; C2: delete from R; Which of the following statements is True? I. Both C1 and C2 delete the schema for R. II. C2 retains relation R, but deletes all tuples in R. III. C1 deletes not only all tuples of R, but also the schema for R.
Question 3. . Consider the following two command C1 and C2 on the relation R from an SQL database: C1: drop table R; C2: delete from R; Which of the following statements is True? I. Both C1 and C2 delete the schema for R. II. C2 retains relation R, but deletes all tuples in R. III. C1 deletes not only all tuples of R, but also the schema for R.
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 3. . Consider the following two command C1 and C2 on the relation R from an SQL database:
C1: drop table R;
C2: delete from R;
Which of the following statements is True?
I. Both C1 and C2 delete the schema for R.
II. C2 retains relation R, but deletes all tuples in R.
II. C1 deletes not only all tuples of R, but also the schema for R.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6d12db0f-5dad-47e7-9af2-4dcff10d5ab1%2F78a985b1-46b2-4d19-a4bf-e479818bbcf7%2Fk6a7uon_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Question 3. . Consider the following two command C1 and C2 on the relation R from an SQL database:
C1: drop table R;
C2: delete from R;
Which of the following statements is True?
I. Both C1 and C2 delete the schema for R.
II. C2 retains relation R, but deletes all tuples in R.
II. C1 deletes not only all tuples of R, but also the schema for R.
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