Isbn: 9787519835163 - sql与关系数据库理论（第三版） (1 risultati)

paperback. Condizione: New. Paperback. Pub Date: 2019-11-01 Pages: 552 Language: Chinese Publisher: China Electric Power Press The book was adapted as a whole. the expansion and upgrade. Extends also been the subject matter. including the type of data fields. the comparison table. a mapping relationship. and summary aggregation operator. update the view and subqueries. Also a special collection of new laws .…