関連ワード:  what is the select function in sql    what is the select statement in sql    what is the function of select statement in sql    what is the purpose of select statement in sql    what is the use of select statement in sql    what is the role of select statement in sql    what is the syntax of select statement in sql    what does the select statement in sql do    what is the primary function of the select statement in sql    what is a nested select statement in sql