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Oracle
1Z0-071: Oracle Database SQL

Oracle 1Z0-071 Exam

Certification Provider: Oracle

Exam Name: Oracle Database SQL

Duration: 100 Minutes

Number of questions in our database: 318

Exam Version: Jan. 24, 2023

1Z0-071 Exam Official Topics:

Topic 1: Using Structured Query Language (SQL)/ Explain the relationship between a database and SQL
Topic 2: Using Data Manipulation Language (DML) and Transaction Control Language (TCL)/ Describe the purpose of DML
Topic 3: Build a SELECT statement to retrieve data from an Oracle Database table/ Use the WHERE clause to the SELECT statement to filter query results
Topic 4: Describe the different types of joins and their features/ Use joins to retrieve data from multiple tables
Topic 5: Using Conversion Functions and Conditional Expressions/ Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions
Topic 6: Apply general functions and conditional expressions in a SELECT statement/ Displaying Data from Multiple Tables
Topic 7: Use SELECT statements to access data from more than one table using equijoins and nonequijoins/ Join a table to itself by using a self-join
Topic 8: View data that generally does not meet a join condition by using outer joins/ Use a set operator to combine multiple queries into a single query
Topic 9: Using DDL Statements to Create and Manage Tables/ Describe data types that are available for columns/ Describe how schema objects work
Topic 10: Managing Objects with Data Dictionary Views/ Use the data dictionary views to research data on objects/ Query various data dictionary views
Topic 11: Create and maintain indexes including invisible indexes and multiple indexes on the same columns/ Drop co
Topic 12: lumns and set column UNUSED/ Explain the theoretical and physical aspects of a relational database/ Use DDL to manage tables and their relationships
Topic 13: Identify the connection between an ERD and a database using SQL SELECT statements/ Use the ORDER BY clause to sort SQL query results
Topic 14: Limit and Sort the rows that are retrieved by a query/ Use ampersand substitution to restrict and sort output at runtime/ Use various types of functions available in SQL
Topic 15: Use character, number, and date and analytical (PERCENTILE_CONT, STDDEV, LAG, LEAD) functions in SELECT statements/ Reporting Aggregated Data Using the Group Functions
Topic 16: Include or exclude grouped rows by using the HAVING clause/ Describe the types of problems subqueries can solve/ Update and delete rows using correlated subqueries
Topic 17: Use the EXISTS and NOT EXISTS operators/ Use single-row and multiple-row subqueries/ Create simple and complex views with visible/invisible columns/ Create, maintain and use sequences

Free Oracle 1Z0-071 Exam Actual Questions

The questions for 1Z0-071 were last updated On Jan. 24, 2023

Question #1

Examine the description of the EMPLOYEES table:

Which two queries return rows for employees whose manager works in a different department?

ASELECT emp. *
FROM employees emp
WHERE manager_ id NOT IN (
SELECT mgr.employee_ id
FROM employees mgr
WHERE emp. department_ id < > mgr.department_ id
);

BSELECT emp.*
FROM employees emp
WHERE NOT EXISTS (
SELECT NULL
FROM employees mgr
WHERE emp.manager id = mgr.employee_ id
AND emp.department_id<>mgr.department_id
);

CSELECT emp.*
FROM employees emp
LEFT JOIN employees mgr
ON emp.manager_ id = mgr.employee_ id
AND emp. department id < > mgr. department_ id;

DSELECT emp. *
FROM employees emp
RIGHT JOIN employees mgr
ON emp.manager_ id = mgr. employee id
AND emp. department id <> mgr.department_ id
WHERE emp. employee_ id IS NOT NULL;

ESELECT emp. *
FROM employees emp
JOIN employees mgr
ON emp. manager_ id = mgr. employee_ id
AND emp. department_ id<> mgr.department_ id;

Reveal Solution Hide Solution

Correct Answer: D, E

Question #2

Which two statements are true about Entity Relationships?

AA Relationship can be mandatory for both entities

BA one-to-one relationship is always a self-referencing relationship

CA many-to-many relationship can be implemented only by using foreign keys

DA table name can be specified just once when selecting data from a table having a selfreferencing relationship

EA one-to-many relatonship in one direction is a one-to-one relationship in the other direction

Reveal Solution Hide Solution

Correct Answer: A, C

Question #3

Examine the description of the EMPLOYEES table:

NLS_DATE FORMAT is DD-MON-RR.

Which two queries will execute successfully?

ASELECT dept_ id, AVG (MAX(salary)) FROM employees GROUP By dept_id HAVING hire_date> ' O1-JAN-19';

BSELECT dept_ id, AVG(MAX(salary)) FROM employees GROUP BY dept_id, salary;

CSELECT dept id, MAX (SUM(salary)) FROM employees GROUP BY dept_id;

DSELECT dept_ iD, sum(salary) FROM employees WHERE hire_date > '01-JAN-9' GROUP BY dept_id;

ESELECT AVG(MAX(salary)) FROM employees GROUP BY salary;

Reveal Solution Hide Solution

Correct Answer: D, E

Question #4

Which three are true about privileges?

ASchema owners can grant object privileges on objects in their schema to any other user or role.

BA combination of object and system privileges can be granted to a role.

CAll types of schema objects have associated object privileges .

DOnly users with the DBA role can create roles .

EObject privileges granted on a table automatically apply to all synonyms for that table.

FOnly users with the GRANT ANY PRIVILEGE privilege can grant and revoke system privileges from other users.

Reveal Solution Hide Solution

Correct Answer: A, B, C

Question #5

Which three statements are true?

AThe COMMISSION column can contain negative values .

BThe MANAGER column is a foreign key referencing the EMPNO column.

CThe SALARY column must have a value .

DAn index is created automatically in the MANAGER column.

EThe DEPTNO column in the EMP table can contain the value 1.

FThe DEPTNO column in the EMP table can contain NULLS .

GThe DNAME column has a unique constraint.

Reveal Solution Hide Solution

Correct Answer: A, C, F

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