RELIABLE 1Z1-071 TEST SIMULATOR, LATEST 1Z1-071 EXAM TEST

Reliable 1z1-071 Test Simulator, Latest 1z1-071 Exam Test

Reliable 1z1-071 Test Simulator, Latest 1z1-071 Exam Test

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Oracle Database SQL Sample Questions (Q301-Q306):

NEW QUESTION # 301
View the Exhibit and examine the structure of ORDERS and CUSTOMERS tables. (Choose the best answer.)

You executed this UPDATE statement:

Which statement is true regarding the execution?

  • A. It would not execute because a SELECT statement cannot be used in place of a table name.
  • B. It would execute and restrict modifications to the columns specified in the SELECT statement.
  • C. It would not execute because two tables cannot be referenced in a single UPDATE statement.
  • D. It would not execute because a subquery cannot be used in the WHERE clause of an UPDATE statement.

Answer: B


NEW QUESTION # 302
The user SCOTT who is the owner of ORDERS and ORDER_ITEMS tables issues the following GRANT command:
GRANT ALL
ON orders, order_items
TO PUBLIC;
What correction needs to be done to the above statement?

  • A. PUBLIC should be replaced with specific usernames.
  • B. WITH GRANT OPTION should be added to the statement.
  • C. ALL should be replaced with a list of specific privileges.
  • D. Separate GRANT statements are required for ORDERS and ORDER_ITEMS tables.

Answer: D

Explanation:
References:
http://docs.oracle.com/javadb/10.8.3.0/ref/rrefsqljgrant.html


NEW QUESTION # 303
View the exhibit and examine the data in ORDERS_MASTERand MONTHLY_ORDERStables.
ORDERS_MASTER
ORDER_TOTAL
ORDER_ID
1 1000
2 2000
3 3000
4
MONTHLY_ORDERS
ORDER_TOTAL
ORDER_ID
2 2500
3
Evaluate the following MERGEstatement:
MERGE_INTO orders_master o
USING monthly_orders m
ON (o.order_id = m.order_id)
WHEN MATCHED THEN
UPDATE SET o.order_total = m.order_total
DELETE WHERE (m.order_total IS NULL)
WHEN NOT MATCHED THEN
INSERT VALUES (m.order_id, m.order_total)
What would be the outcome of the above statement?

  • A. The ORDERS_MASTERtable would contain the ORDER_IDs1, 2 and 4.
  • B. The ORDERS_MASTERtable would contain the ORDER_IDs1 and 2.
  • C. The ORDERS_MASTERtable would contain the ORDER_IDs1, 2, 3 and 4.
  • D. The ORDERS_MASTERtable would contain the ORDER_IDs1, 2 and 3.

Answer: A

Explanation:
Explanation/Reference:
References:
https://docs.oracle.com/cd/B28359_01/server.111/b28286/statements_9016.htm


NEW QUESTION # 304
View the Exhibit and examine the structure of the PRODUCT_INFORMATIONand INVENTORIEStables.

You have a requirement from the supplies department to give a list containing PRODUCT_ID, SUPPLIER_ID,and QUANTITY_ON_HANDfor all the products wherein QUANTITY_ON_HANDis less than five.
Which two SQL statements can accomplish the task? (Choose two.)
SELECT i.product_id, i.quantity_on_hand, pi.supplier_id

  • A. FROM product_information pi JOIN inventories i
    ON (pi.product_id=i.product_id)
    USING (product_id) AND quantity_on_hand < 5;
  • B. FROM product_information pi JOIN inventories i
    ON (pi.product_id=i.product_id)
    WHERE quantity_on_hand < 5;
    SELECT product_id, quantity_on_hand, supplier_id
  • C. FROM product_information pi JOIN inventories i
    ON (pi.product_id=i.product_id) AND quantity_on_hand < 5;
    SELECT i.product_id, i.quantity_on_hand, pi.supplier_id
  • D. FROM product_information
    NATURAL JOIN inventories AND quantity_on_hand < 5;
    SELECT i.product_id, i.quantity_on_hand, pi.supplier_id

Answer: B,C


NEW QUESTION # 305
Examine this business rule:
Each student can work on multiple projects and earth project can have multiple students.
You must decide an Entity Relationship (ER) model for optional data storage and allow generating reports in this format:
STUDENT_ID FIRST_NAME LAST_NAME PROJECT_ID PROJECT_NAME PROJECT_TASK Which two statements are true?

  • A. STUDENT_ID must be the primary key in the STUDENTS entity and foreign key in the PROJECTS entity.
  • B. PROJECT_ID must be the primary key in the PROJECTS entity and foreign key in the STUDENTS entity.
  • C. The ER must have a many-to-many relationship between the STUDENTS and PROJECTS entities that must be resolved into 1-to-many relationships.
  • D. The ER must have a 1-to-many relationship between the STUDENTS and PROJECTS entities.
  • E. An associative table must be created with a composite key of STUDENT_ID and PROJECT_ID, which is the foreign key linked to the STUDENTS and PROJECTS entities.

Answer: C,E


NEW QUESTION # 306
......

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