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Oracle 1z1-071 Exam Syllabus Topics:

Section	Objectives
Topic 1: Data Manipulation and Schema Objects	- DDL operations 1. CREATE, ALTER, DROP tables and constraints - DML operations 1. INSERT, UPDATE, DELETE, MERGE
Topic 2: Relational Database Concepts	- Data types and database objects overview - Tables, rows, columns, and relational model basics
Topic 3: SQL Functions	- Conversion and conditional functions 1. TO_CHAR, TO_NUMBER, CASE expressions - Single-row functions 1. Character, numeric, date functions
Topic 4: SQL Retrieval	- SELECT statements and filtering data 1. WHERE clause and conditions 2. ORDER BY and row limiting - Joins and set operations 1. INNER, OUTER, CROSS joins 2. UNION, INTERSECT, MINUS
Topic 5: Subqueries and Advanced SQL	- Single-row and multi-row subqueries - Correlated subqueries and nested queries

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Oracle Database SQL Sample Questions (Q349-Q354):

NEW QUESTION # 349
View the Exhibit and examine the structure of the PRODUCTStable

Which two tasks would require subqueries? (Choose two.)

A. display the number of products whose PROD_LIST_PRICEis more than the average PROD_LIST_PRICE
B. display the total number of products supplied by supplier 102and have a product status as 'OBSOLETE'
C. display all products whose PROD_MIN_PRICEis more than the average PROD_LIST_PRICEof all products, and whose status is orderable
D. display the minimum PROD_LIST_PRICEfor each product status
E. display suppliers whose PROD_LIST_PRICEis less than 1000

Answer: A,C

NEW QUESTION # 350
Examine this statement:
CREATE TABTE orders
(sarial_no NUMBER UNIQUE,
order_id NUMBER PRIMARY KEY ,
order_date DATE NOT NULL,
status VARCHAR2 (10) CHECK (status IN ('CREDIT', 'CASH')),
product_id NUMBER REFERENCES products (product_id),
order_ total NUMBER);
On which two columns of the table will an index be created automatically?

A. ORDER_DATE
B. PRODUCT_ ID
C. STATUS
D. ORDER TOTAL
E. SERIAL_NO
F. ORDER_ ID

Answer: E,F

NEW QUESTION # 351
View the Exhibit and examine the structure of the ORDERS table. The ORDER_ID column is the PRIMARY KEY in the ORDERS table.

Evaluate the following CREATE TABLE command:
CREATE TABLE new_orders(ord_id, ord_date DEFAULT SYSDATE, cus_id)
AS
SELECT order_id.order_date,customer_id
FROM orders;
Which statement is true regarding the above command?

A. The NEW_ODRDERS table would get created and all the constraints defined on the specified columns in the ORDERS table would be passed to the new table.
B. The NEW_ODRDERS table would not get created because the DEFAULT value cannot be specified in the column definition.
C. The NEW_ODRDERS table would get created and only the NOT NULL constraint defined on the specified columns would be passed to the new table.
D. The NEW_ODRDERS table would not get created because the column names in the CREATE TABLE command and the SELECT clause do not match.

Answer: C

NEW QUESTION # 352
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 (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;
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)
WHITH CHECK OPTION;
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
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;

Answer: D

NEW QUESTION # 353
You are designing the structure of a table in which two columns have the specifications:
COMPONENT_ID - must be able to contain a maximum of 12 alphanumeric
characters and uniquely identify the row
EXECUTION_DATETIME - contains Century, Year, Month, Day, Hour, Minute,
Second to the maximum precision and is used for calculations and
comparisons between components.
Which two options define the data types that satisfy these requirements most efficiently?

A. The COMPONENT_ID must be of VARCHAR2 data type.
B. The EXECUTION _DATETIME must be of TIMESTAMP data type.
C. The EXECUTION_DATATIME must be of DATE data type.
D. The COMPONENT_ID column must be of CHAR data type.
E. The COMPONENT_ID must be of ROWID data type.
F. The EXECUTION_DATETIME must be of INTERVAL DAY TO SECOND data type.

Answer: A,C

NEW QUESTION # 354
......

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