Introduction to SQL
Table employee has 10 records. It has a non-NULL SALARY column which is also UNIQUE.The SQL statementSELECT COUNT(*) FROM employee WHERE SALARY > ALL (SELECT SALARY FROM EMPLOYEE);prints

Introduction to SQL
A view is which of the following?

A base table that can be accessed via SQL commands
A virtual table that cannot be accessed via SQL commands
A base table that cannot be accessed via SQL commands
A virtual table that can be accessed via SQL commands

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

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

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