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The PROD_ID column is the foreign key in the SALES table.Which references the PRODUCTS table. Similarly,the CUST_ID and TIME_ID columns are Also foreign keys in the SALES table referencing the CUSTOMERS and TIMES tables, respectively. Evaluate the following CREATE TABLE command: CREATE TABLE new_sales(prod_id, I cust_id, order_date DEFAULT SYSDATE) AS SELECT I prod_id,cust_id,time_id FROM sales. Which statement is true regarding the above command?
Correct Answer: C
The statement true regarding the CREATE TABLE command: * C. The NEW_SALES table would not get created because the column names in the CREATE TABLE command and the SELECT clause do not match: The SQL command tries to create a table with columns prod_id, cust_id, and order_date, but the SELECT statement specifies columns prod_id , cust_id, and time_id. The mismatch in column names and the number of columns specified will prevent the table from being created. Incorrect options: * A: It is possible to specify a DEFAULT value in the column definition when creating a table with the CREATE TABLE AS SELECT syntax. * B: Not all NOT NULL constraints (or any other constraints, for that matter) are automatically passed to the new table unless explicitly stated in the CREATE TABLE statement. * D: FOREIGN KEY constraints are not automatically included when creating a table using the CREATE TABLE AS SELECT syntax; they would need to be added explicitly afterwards.