In this SQL statement, what is the partitioning criteria? CREATE TABLE books_part PARTITION BY RANGE (cell_id) ( PARTITION p0l VALUES LESS THAN (2), PARTITION p02 VALUES LESS THAN (3)…

In this SQL statement, what is the partitioning criteria? CREATE TABLE books_part PARTITION BY RANGE (cell_id) ( PARTITION p0l VALUES LESS THAN (2), PARTITION p02 VALUES LESS THAN (3) , . . . PARTITION pl4 VALUES LESS THAN (15), PARTITION pl5 VALUES LESS THAN (16), PARTITION pl6 VALUES LESS THAN (MAXVALUE) ) AS SELECT * FROM books;