For Example: To select the first name of all the students, the query would be like:
SELECT first_name AS Name FROM student_details;
SELECT first_name Name FROM student_details;
In the above query, the column first_name is given a alias as 'name'. So when the result is displayed the column name appears as 'Name' instead of 'first_name'.
SELECT s.first_name FROM student_details s;
In the above query, alias 's' is defined for the table student_details and the column first_name is selected from the table. Aliases is more useful when
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