第 62 题 (多选题)： Examine the description of the SALES table: The SALES table has 55,000 row. Examine this statement: CREATE TABLE sales1 (prod_id, cust_id, quantity_sold, price) AS SELECT product_id, customer_id, quantity_sold, price FROM sales WHERE 1 = 1; Which two statements are true.

A. SALES1 is created with 55,000 rows. B. SALES1 is created with no rows. C. SALES1 has NOT NULL constraints on any selected columns which had those constraints in the SALES table. D. SALES1 has PRIMARY KEY and UNIQUE constraints on any selected columns which had those constraints in the SALES table. E. SALES1 is created with 1 row. 显示答案