Which of the following is one of the basic approaches for joining tables?(a) Subqueries(b) Union Join(c) Natural join(d) All of the MentionedThis question was addressed to me during an interview for a job.I would like to ask this question from Joins topic in chapter Laying the Foundation of SQL Server

Which of the following is one of the basic approaches for joining tabl

1.	Which of the following is one of the basic approaches for joining tables?(a) Subqueries(b) Union Join(c) Natural join(d) All of the MentionedThis question was addressed to me during an interview for a job.I would like to ask this question from Joins topic in chapter Laying the Foundation of SQL Server
Answer» The CORRECT answer is (d) All of the Mentioned To explain I would say: The SQL SUBQUERY is a SELECT query that is embedded in the main SELECT statement. In many CASES, a subquery can be used instead of a JOIN.

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