A9.Which of the following is true about removing rows from a table?A. No rows are deleted if you omit the WHERE clause.B. You canmot delete rows based on values from another table.C. You cannot delete rows from tableD. You remove existing rows from a table using the DELETE statementConsider the following schema STUDENTS(student code, first name, last name, email,A10.phone no. dateof birth. MS subiect, percentage of marks).Which of the following query would display names of all the students whose MS subiect isEnglish and percentage of marks morepercentage of matks.than 70,or MS subiect isFrench andmore than 70?A. select first name. last name from students where MS subjectMS subiect = "French" and percentage of marks > 70;B. select first name. last name from students where (MS subiect = "English" orMS subiect = "French") and percentage of marks > 70;C. select first name. last name from students where (MS subiectMS subject = "French" and percentage of marks > 70);D. select first name. last name from students where (MS subiectMS subject = "French" and percentage of marks > 703;"English" or!!"English" or"English") or%3D

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A9. Which of the following is true about removing rows from a table? A. No rows are deleted if you omit the WHERE clause. B. You cannot delete rows based on values from another table. C. You cannot delete rows from table D. You remove existing rows from a table using the DELETE statement

A9. Which of the following is true about removing rows from a table? A. No rows are deleted if you omit the WHERE clause. B. You cannot delete rows based on values from another table. C. You cannot delete rows from table D. You remove existing rows from a table using the DELETE statement

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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