Introduction to SQL
The command to remove rows from a table 'CUSTOMER' is:

DELETE FROM CUSTOMER WHERE ...
REMOVE FROM CUSTOMER ...
DROP FROM CUSTOMER ...
UPDATE FROM CUSTOMER ...

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Introduction to SQL
Which of the following query is correct for using comparison operators in SQL?

SELECT name, course_name FROM student WHERE age>50 and <80;
SELECT name, course_name FROM student WHERE age>50 and age <80;
None of these
SELECT name, course_name FROM student WHERE age>50 and WHERE age<80;

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