subquery teriminin İngilizce İngilizce sözlükte anlamı
A query embedded within a more extensive query, relating only to the data returned by the parent query
Using a second query to retrieve additional data within the main query For example,to retrieve all sales where price was greater than the average,the WHERE clause could use a subquery to compute the average price
A query embedded inside another (parent) SQL statement, returning rows used by the parent