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 <80;
SELECT name, course_name FROM student WHERE age>50 and WHERE age<80;
SELECT name, course_name FROM student WHERE age>50 and age <80;

ANSWER DOWNLOAD EXAMIANS APP

Introduction to SQL
In an SQL SELECT statement querying a single table, according to the SQL-92 standard the asterisk (*) means that:

all records with even partial criteria met are to be returned.
None of these
all records meeting the full criteria are to be returned.
all columns of the table are to be returned.

ANSWER DOWNLOAD EXAMIANS APP