Free Access Oracle.1z0-071.v2023-10-02.q276 Practice Test (Page 42)

Question 201

Which two tasks can be performed by using Oracle SQL statements? (Choose two.)

A.changing the password for an existing database user

B.connecting to a database instance

C.querying data from tables in different databases

D.starting up a database instance

E.executing operating system (OS) commands in a session

Question 202

Which two statements are true about single row functions?

A.CEIL: can be used for positive and negative numbers

B.FLOOR: returns the smallest integer greater than or equal to a specified number

C.MOD: returns the quotient of a division operation

D.CONCAT: can be used to combine any number of values

E.TRUNC: can be used with NUMBER and DATE values

Question 203

View the exhibit and examine the structure in ORDERSand ORDER_ITEMStables.

You need to create a view that displays the ORDER_ID, ORDER_DATE, and the total number of items in each order.
Which CREATEVIEWstatement would create the views successfully?

A.CREATE OR REPLACE VIEW ord_vu
AS SELECT o.order_id, o.order_date, COUNT (i.line_item_id) ||
" NO OF ITEMS"
FROM orders o JOIN order_items i
ON (o.order_id = i.order_id)
GROUP BY o.order_id, o.order_date
WHITH CHECK OPTION;

B.CREATE OR REPLACE VIEW ord_vu
AS SELECT o.order_id, o.order_date, COUNT (i.line_item_id)
" NO OF ITEMS"
FROM orders o JOIN order_items i
ON (o.order_id = i.order_id)
GROUP BY o.order_id, o.order_date;

C.CREATE OR REPLACE VIEW ord_vu
AS SELECT o.order_id, o.order_date, COUNT (i.line_item_id)
FROM orders o JOIN order_items i
ON (o.order_id = i.order_id)
GROUP BY o.order_id, o.order_date;

D.CREATE OR REPLACE VIEW ord_vu (order_id, order_date)
AS SELECT o.order_id, o.order_date, COUNT (i.line_item_id)
" NO OF ITEMS"
FROM orders o JOIN order_items i
ON (o.order_id = i.order_id)
GROUP BY o.order_id, o.order_date;

Question 204

Examine the types and examples of relationships that follow:

Which option indicates correctly matched relationships? (Choose the best answer.)

A.1-c, 2-d, 3-a, and 4-b

B.1-d, 2-b, 3-a, and 4-c

C.1-a, 2-b, 3-c, and 4-d

D.1-c, 2-a, 3-b, and 4-d

Question 205

Examine the structure of the PROGRAMS table:

Which two SQL statements would execute successfully?

A.SELECT NVL (ADD_MONTHS (END_DATE,1) SYSDATE) FROM programs;

B.SELECT NVL (TO_CHAR (MONTHS_BETWEEN (start-date, end_date)), 'Ongoing') FROM programs

C.SELECT TO_DATE (NVL (SYSDATE-END_DATE, SYSDATE)) FROM programs;

D.SELECT NVL (MONTHS_BETWEEN (start_date, end_date), 'Ongoing') FROM
programs;

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Question 201

Question 202

Question 203

Question 204

Question 205

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