What is the purpose of the SQL AS clause?(a) The AS SQL clause is used to change the name of a column in the result set or to assign a name to a derived column(b) The AS clause is used with the JOIN clause only(c) The AS clause defines a search condition(d) All of the mentionedI have been asked this question during an interview.This intriguing question comes from Basic SQL in section Laying the Foundation of SQL Server

What is the purpose of the SQL AS clause?(a) The AS SQL clause is used

1.	What is the purpose of the SQL AS clause?(a) The AS SQL clause is used to change the name of a column in the result set or to assign a name to a derived column(b) The AS clause is used with the JOIN clause only(c) The AS clause defines a search condition(d) All of the mentionedI have been asked this question during an interview.This intriguing question comes from Basic SQL in section Laying the Foundation of SQL Server
Answer» Correct ANSWER is (a) The AS SQL clause is used to change the name of a COLUMN in the RESULT SET or to ASSIGN a name to a derived column Easiest explanation: SQL Aliases are defined for columns and tables. Basically aliases are created to make the column selected more readable.

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