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Oracle 1z0-071 Exam Syllabus Topics:

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

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Oracle Database SQL Sample Questions (Q285-Q290):

NEW QUESTION # 285
View the Exhibit and examine the details of the PRODUCT_INFORMATION table.
You have the requirement to display PRODUCT_NAME and LIST_PRICE from the table where the CATEGORYJD column has values 12 or 13, and the SUPPLIER_ID column has the value 102088. You executed the following SQL statement:
SELECT product_name, list_price
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 execute but would return no rows.
B. It would not execute because the same column has been used twice with the AND logical operator.
C. It would not execute because the entire WHERE clause is not enclosed within parentheses.
D. It would execute and return the desired.

Answer: A

NEW QUESTION # 286
Which statement is true about aggregate functions?

A. The MAX and MIN functions can be used on columns with character data types
B. Aggregate functions can be used in any clause of a SELECT statement
C. The AVG function implicitly converts NULLS to zero
D. Aggregate functions can be nested to any number of levels

Answer: A

NEW QUESTION # 287
View the Exhibit and examine the structure of the CUSTOMERStable.

CUSTOMER_VUis a view based on CUSTOMERS_BR1 table which has the same structure as CUSTOMERStable.
CUSTOMERSneed to be updated to reflect the latest information about the customers.
What is the error in the following MERGEstatement?

A. The WHEREclause cannot be used with INSERT.
B. The CUSTOMER_IDcolumn cannot be updated.
C. The INTOclause is misplaced in the command.
D. CUSTOMER_VUcannot be used as a data source.

Answer: B

NEW QUESTION # 288
Examine the description of the BOOKS_TRANSACTIONStable:

Examine this partial SQL statement:
SELECT * FROM books_transactions
Which two WHEREconditions give the same result? (Choose two.)
WHERE borrowed_date = SYSDATE AND (transaction_type = 'RM' OR member_id IN

A. A101' OR member_id = 'A102'));
WHERE borrowed_date = SYSDATE AND transaction_type = 'RM' OR member_id IN
B. ('A101', 'A102');
WHERE borrowed_date = SYSDATE AND (transaction_type = 'RM' AND member_id
C. 'A101' OR member_id = 'A102');
D. ('A101', 'A102'));
WHERE (borrowed_date = SYSDATE AND transaction_type = 'RM') OR member_id IN
E. ('A101', 'A102');
WHERE borrowed_date = SYSDATE AND (transaction_type = 'RM' AND (member_id

Answer: D,E

NEW QUESTION # 289
View the Exhibit and examine the structure of the ORDERStable.

Which UPDATE statement is valid?

A. UPDATE orders
SET order_date = '12-mar-2007',
AND order_total = TO_NUMBER(NULL)
WHERE order_id = 2455;
B. UPDATE orders
SET order_date = '12-mar-2007',
order_total IS NULL
WHERE order_id = 2455;
C. UPDATE orders
SET order_date = TO_DATE('12-mar-2007','dd-mon-yyyy'),
SET order_total = TO_NUMBER (NULL)
WHERE order_id = 2455;
D. UPDATE orders
SET order_date = '12-mar-2007',
order_total = NULL
WHERE order_id = 2455;

Answer: D

NEW QUESTION # 290
......

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