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Oracle 1z0-071 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Displaying Data from Multiple Tables	15%	- Cartesian products - Equijoins and non-equijoins - Self-joins and outer joins
Topic 2: Using SET Operators		- UNION, UNION ALL, INTERSECT, MINUS operators - Ordering results with set operations
Topic 3: Relational Database Concepts	10%	- ERD and SQL statement mapping - Theoretical and physical aspects of relational databases - Relationship between database and SQL
Topic 4: Managing Indexes, Synonyms and Sequences		- Create and use sequences - Create and maintain indexes - Create and use synonyms
Topic 5: Controlling User Access		- Roles, granting and revoking privileges - System and object privileges
Topic 6: Restricting and Sorting Data	15%	- ORDER BY clause and sorting rules - Substitution variables, DEFINE and VERIFY commands - WHERE clause and filtering conditions - Operator precedence
Topic 7: Manipulating Data and Managing Transactions		- Multi-table inserts - INSERT, UPDATE, DELETE, MERGE statements - Transaction control: COMMIT, ROLLBACK, SAVEPOINT
Topic 8: Retrieving Data Using SQL SELECT Statement	20%	- SELECT statement syntax and usage - Arithmetic operations and NULL handling - Column aliases, concatenation, literals and DISTINCT
Topic 9: Working with Time Zones and Date/Time Data		- TIMESTAMP, INTERVAL data types - Time zone conversion functions
Topic 10: Managing Tables and Constraints		- Data types, creating/altering/dropping tables - Temporary and external tables - Constraints: primary key, foreign key, unique, check, not null
Topic 11: Using Subqueries to Solve Queries		- Single-row and multi-row subqueries - Correlated subqueries for update/delete
Topic 12: Conversion Functions and Conditional Expressions	10%	- Implicit and explicit data type conversion - TO_CHAR, TO_NUMBER, TO_DATE functions - NVL, NULLIF, COALESCE and CASE expressions
Topic 13: Aggregating Data Using Group Functions	10%	- SUM, AVG, COUNT, MAX, MIN functions - Handling NULLs in group functions - GROUP BY and HAVING clauses
Topic 14: Using Data Dictionary Views		- Retrieve metadata and object information
Topic 15: Managing Views		- Updatable and read-only views - Create, modify and drop views
Topic 16: Using Single-Row Functions to Customize Output	20%	- Character, number, and date functions - Nested functions usage

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Oracle Database SQL Sample Questions (Q95-Q100):

NEW QUESTION # 95
View the Exhibit and examine the details of PRODUCT_INFORMATION table.
PRODUCT_NAME
CATEGORY_ID
SUPPLIER_ID
Inkjet C/8/HQ
12
102094
Inkjet C/4
12
102090
LaserPro 600/6/BW
12
102087
LaserPro 1200/8/BW
12
102099
Inkjet B/6
12
102096
Industrial 700/ID
12
102086
Industrial 600/DQ
12
102088
Compact 400/LQ
12
102087
Compact 400/DQ
12
102088
HD 12GB /R
13
102090
HD 10GB /I
13
102071
HD 12GB @7200 /SE
13
102057
HD 18.2GB @10000 /E
13
102078
HD 18.2GB @10000 /I
13
102050
HD 18GB /SE
13
102083
HD 6GB /I
13
102072
HD 8.2GB@5400
13
102093
You have the requirement to display PRODUCT_NAME from the table where the CATEGORY_ID column has values 12 or 13, and the SUPPLIER_ID column has the value 102088. You executed the following SQL statement:
SELECT product_name
FROM product_information
WHERE (category_id = 12 AND category_id = 13) AND supplier_id = 102088; Which statement is true regarding the execution of the query?

A. It would not execute because the same column has been used in both sides of the AND logical operator to form the condition.
B. It would execute and the output would display the desired result.
C. It would execute but the output would return no rows.
D. It would not execute because the entire WHERE clause condition is not enclosed within the parentheses.

Answer: C

NEW QUESTION # 96
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. DELETE *FROM order_itemsWHERE order_id IN (SELECT order_id)FROM ordersWHERE order_status IN (0,1));
B. 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));
C. DELETEFROM (SELECT * FROM order_items I,orders oWHERE i.order_id = o.order_id AND order_status IN (0,1));
D. DELETEFROM order_itemsWHERE order_id IN (SELECT order_idFROM ordersWHERE orders_status in (0,1));

Answer: C,D

NEW QUESTION # 97
Which two are true about granting privileges on objects?

A. A table owner must grant the REFERENCES privilege to allow other users to create FOREIGN KEY constraints using that table.
B. The owner of an object acquires all object privileges on that object by default.
C. An object privilege can be granted to other users only by the owner of that object.
D. The WITH GRANT OPTION clause can be used only by DBA users.
E. An object privilege can be granted to a role only by the owner of that object.

Answer: A,B

NEW QUESTION # 98
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 # 99
Which three are true about privileges?

A. Object privileges granted on a table automatically apply to all synonyms for that table.
B. A combination of object and system privileges can be granted to a role.
C. Only users with the GRANT ANY PRIVILEGE privilege can grant and revoke system privileges from other users.
D. All types of schema objects have associated object privileges .
E. Schema owners can grant object privileges on objects in their schema to any other user or role.
F. Only users with the DBA role can create roles .

Answer: B,C,E

Explanation:
A). Schema owners indeed can grant privileges on objects in their schema to other users or roles, making this statement true.
B). Roles in Oracle can be granted both object and system privileges, making this statement true as well.
C). Not all types of schema objects have associated object privileges. For example, synonyms do not have object privileges because they are just aliases for other objects.
D). The DBA role is a powerful role, but creating roles can be done by any user granted the necessary privileges, not just users with the DBA role.
E). Object privileges on a table do not automatically apply to all synonyms for that table. Synonyms are separate objects that must have privileges granted explicitly.
F). The privilege to grant system privileges is controlled by the GRANT ANY PRIVILEGE system privilege, making this statement true.
References:
* Oracle Database SQL Language Reference, 12c Release 1 (12.1): "Privileges"
* Oracle Database Security Guide, 12c Release 1 (12.1): "Administering User Privileges, Roles, and Profiles"

NEW QUESTION # 100
......

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