100% Pass 2026 Valid Oracle 1z0-071 Exam Tests

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Oracle 1z0-071 Exam Syllabus Topics:

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

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1z0-071 Demo Test & 1z0-071 Test Sample Questions

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Oracle Database SQL Sample Questions (Q295-Q300):

NEW QUESTION # 295
The ORDERS table has a column ORDER_DATE of date type DATE The default display format for a date is DD-MON-RR
Which two WHERE conditions demonstrate the correct usage of conversion functions?

A. WHERE order_date IN (TO_DATE ('Oct 21 2018','MON DD YYYY'), TO_CHAR('Nov 21 2018','MON DD YYYY'));
B. WHERE TO_CHAR(order_date,'MON DD YYYY') ='JAN 20 2019';
C. WHERE order_date> TO_DATE(ADD_MONTHS(SYSDATE,6),'MON DD YYYY');
D. WHERE order_date> TO_DATE('JUL 10 2018','MON DD YYYY');
E. WHERE ordet_date> TO_CHAR(ADD_MONTHS(SYSDATE, 6),'MON DD YYYY')

Answer: B,D

NEW QUESTION # 296
Which two are true about the NVL, NVL2, and COALESCE functions?

A. NVL2 can have any number of expressions in the list.
B. COALESCE stops evaluating the list of expressions when it finds the first null value.
C. NVL can have any number of expressions in the list.
D. The first expression in NVL2 is never returned.
E. COALESCE stops evaluating the list of expressions when it finds the first non-null value.
F. NVL must have expressions of the same data type.

Answer: D,E

NEW QUESTION # 297
SCOTT is a user in the database.
Evaluate the commands issued by the DBA:
Which statement is true regarding the execution of the above commands?

A. Statement 1 would not execute because the IDENTIFIED BY <password> clause is missing.
B. Statement 1 would not execute because the WITH GRANT option is missing.
C. Statement 2 would not execute because system privileges and object privileges cannot be granted together in a single GRANT command.
D. Statement 3 would not execute because role and system privileges cannot be granted together in a single GRANT statement.

Answer: C

NEW QUESTION # 298
Examine this statement which executes successfully:
CREATE view emp80 AS
SELECT
FROM employees
WHERE department_ id = 80
WITH CHECK OPTION;
Which statement will violate the CHECK constraint?

A. UPDATE emp80
SET department. 1d =80;
WHERE department_ id =90;
B. SELECT
FROM emp80
WHERE department. id = 80;
C. DELETE FROM emp80
WHERE department_ id = 90;
D. SELECT
FROM emp80
WHERE department_ id = 90;

Answer: C

Explanation:
In Oracle SQL, the WITH CHECK OPTION clause in a CREATE VIEW statement ensures that all data manipulation statements performed through the view must conform to the view's defining query.
* Option A: DELETE FROM emp80 WHERE department_id = 90;
* This will violate the CHECK constraint because the WHERE clause condition does not meet the view's restriction (department_id = 80). This statement attempts to delete rows that the view is not supposed to have access to (since it should only include rows where department_id is 80).
Options B, C, and D do not violate the CHECK constraint because:
* Option B: A SELECT statement does not modify data, so it does not violate the CHECK OPTION.
* Option C: Selecting rows with department_id = 80 is consistent with the view's definition.
* Option D: There is a syntax error, but assuming it meant to set department_id to 80 where it is currently 90, it still would not violate the CHECK constraint because the CHECK OPTION on a view does not prevent updates that do not change the rows to fall outside the view's filter. However, since department_id is supposed to be 80 as per the view definition, this update operation doesn't make logical sense, as there should be no rows with department_id = 90 to update.

NEW QUESTION # 299
View the Exhibit and examine the structure of the ORDER_ITEMS and ORDERStables.

You are asked to retrieve the ORDER_ID,product_ID, and total price (UNIT_PRICEmultiplied by QUANTITY), where the total price is greater than 50,000.
You executed the following SQL statement:
SELECTprder_id, product_id, unit_price*quantity "Total Price"
FROM order_items
WHERE unit_price*quantity > 50000
NATURAL JOIN orders;
Which statement is true regarding the execution of the statement?

A. The statement would not execute because the USING keyword is missing in the NATURAL JOIN clause.
B. The statement would execute and provide the desired result.
C. The statement would not execute because the ON keyword is missing in the NATURAL JOIN clause.
D. The statement would not execute because the WHERE clause is before the NATURAL JOIN clause.

Answer: D

NEW QUESTION # 300
......

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