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Download Oracle Database SQL Exam Dumps
NEW QUESTION 38
Which three statements are true about GLOBAL TEMPORARY TABLES?
- A. A DELETE command on a GLOBAL TEMPORARY TABLE cannot be rolled back.
- B. GLOBAL TEMPORARY TABLE space allocation occurs at session start.
- C. A TRUNCATE command issued in a session causes all rows in a GLOBAL TEMPORARY TABLE for the issuing session to be deleted.
- D. A GLOBAL TEMPORARY TABLE’s definition is available to multiple sessions.
- E. Any GLOBAL TEMPORARY TABLE rows existing at session termination will be deleted.
- F. GLOBAL TEMPORARY TABLE rows inserted by a session are available to any other session whose user has been granted select on the table.
Answer: C,D,E
NEW QUESTION 39
Examine this SELECT statement and view the Exhibit to see its output: (Choose two.)
SELECT constraints_name, constraints_type, search_condition, r_constraints_name, delete_rule, status, FROM user_constraints WHERE table_name = ‘ORDERS’; Which two statements are true about the output?
- A. The STATUS column indicates whether the table is currently in use.
- B. The DELETE_RULE column indicates the desired state of related rows in the child table when the corresponding row is deleted from the parent table.
- C. The R_CONSTRAINT_NAME column contains an alternative name for the constraint.
- D. In the second column, ‘c’ indicates a check constraint.
Answer: B,D
NEW QUESTION 40
View the Exhibit and examine the structure of the ORDERStable.
Which UPDATE statement is valid?
UPDATE orders
- A. SET order_date = ’12-mar-2007’,
AND order_total = TO_NUMBER(NULL)
WHERE order_id = 2455;
UPDATE orders - B. SET order_date = ’12-mar-2007’,
order_total = NULL
WHERE order_id = 2455;
UPDATE orders - C. SET order_date = TO_DATE(’12-mar-2007’,’dd-mon-yyyy’),
SET order_total = TO_NUMBER (NULL)
WHERE order_id = 2455; - D. SET order_date = ’12-mar-2007’,
order_total IS NULL
WHERE order_id = 2455;
UPDATE orders
Answer: B
NEW QUESTION 41
View the Exhibit and examine the structure of ORDER_ITEMS and ORDERS tables.
You need to remove from the ORDER_ITEMS table those rows that have an order status of 0 or 1 in the ORDERS table.
Which two DELETE statements are valid (Choose two.)
- A. DELETEFROM order_itemsWHERE order_id IN (SELECT order_idFROM ordersWHERE orders_status in (0,1));
- B. DELETE *FROM order_itemsWHERE order_id IN (SELECT order_id)FROM ordersWHERE order_status IN (0,1));
- C. DELETE FROM order_items iWHERE order_id = (SELECT order_id FROM orders oWHERE i.order_id = o.order_id AND order_status IN (0,1));
- D. DELETEFROM (SELECT * FROM order_items I,orders oWHERE i.order_id = o.order_id AND order_status IN (0,1));
Answer: A,D
NEW QUESTION 42
Which four statements are true about constraints on Oracle tables?
- A. A UNIQUE Constraint can use a pre-existing index on the constrained column or columns.
- B. A PRIMARY KEY Constraint can be added after a table has been created and populated.
- C. A CHECK Constraint can refer to values in other rows.
- D. A FOREIGN KEY Column can contain NULLS.
- E. A NOT NULL Constraint can be defined at the table level.
- F. A UNIQUE constraint permits NULLS.
- G. A Column can have only one CHECK Constraint.
Answer: A,B,D,F
NEW QUESTION 43
……
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