Question 191

Examine the create table statements for the stores and sales tables.
SQL> CREATE TABLE stores(store_id NUMBER(4) CONSTRAINT store_id_pk PRIMARY KEY, store_name VARCHAR2(12), store_address VARCHAR2(20), start_date DATE);
SQL> CREATE TABLE sales(sales_id NUMBER(4) CONSTRAINT sales_id_pk PRIMARY KEY, item_id NUMBER(4), quantity NUMBER(10), sales_date DATE, store_id NUMBER(4), CONSTRAINT store_id_fk FOREIGN KEY(store_id) REFERENCES stores(store_id));
You executed the following statement:
SQL> DELETE from stores
WHERE store_id=900;
The statement fails due to the integrity constraint error:
ORA-02292: integrity constraint (HR.STORE_ID_FK) violated
Which three options ensure that the statement will execute successfully? (Choose three.)
  • Question 192

    Examine this SQL statement:

    Which two are true?
  • Question 193

    View the exhibit and examine the structure in ORDERS and ORDER_ITEMS tables.

    You need to create a view that displays the ORDER_ID, ORDER_DATE, and the total number of items in each order.
    Which CREATE VIEW statement would create the views successfully?
  • Question 194

    Evaluate these commands which execute successfully:

    Which two statements are true about the ORD_ITEMS table and the ORD_SEQ sequence?
  • Question 195

    Examine the structure of the EMPLOYEES table. (Choose the best answer.) You must display the details of employees who have manager with MANAGER_ID 100, who were hired in the past 6 months and who have salaries greater than 10000.