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Oracle 1z1-071, also known as the Oracle Database SQL certification exam, is a professional certification exam offered by Oracle Corporation. 1z0-071 exam focuses on testing the candidates' knowledge and skills in SQL programming language and Oracle database management systems. Passing 1z0-071 Exam certifies that the individual has the necessary skills and knowledge to work with Oracle databases and SQL programming.

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Oracle 1z1-071, also known as the Oracle Database SQL certification exam, is designed to test the knowledge and skills of candidates in the area of SQL. 1z0-071 Exam is intended for individuals who are interested in becoming certified professionals in database management, specifically in the area of SQL.

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Oracle Database SQL Sample Questions (Q167-Q172):

NEW QUESTION # 167
Examine this statement which executes successfully:
Which three are true?

A. Regardless of salary,only if the employee id is less than 125,insert EMPLOYEE_ID,NANAGER_ID,SALARY into the MGR_HISTORY table.
B. If the salary is 20000 or less and the employee id is less than 125,insert EMPLOYEE_ID,HIRE_DATE,and SALARY into the SAL_HISTORY table.
C. Only if the salary is 20000 or less and the employee id is 125 or higher,insert EMPLOYEE_ID,MANAGER_ID,and SALARY into the MDR_HISTORY table.
D. Only if the salary is 20000 or less and the employee id is less than 125,insert EMPLOYEE_ID,MANAGER_ID,and SALARY into the MGR_HISTORY table.
E. Regardless of salary and employee id,insert EMPLOYEE_ID,MANAGER_ID,and SALARY into the MGR_HISTORY table.
F. If the salary is more than 20000 and the employee is less than 125,insert EMPLOYEE_ID and SALARY into the SPECIAL_SAL table.

Answer: A,B,D

Explanation:
The question describes a scenario with multiple conditional statements about data manipulation based on certain criteria related to employee_id and salary. The options detail different conditions and corresponding actions (insertions into various tables). Given the conditions specified in each option, here are the accurate answers based on logical deduction as Oracle SQL does not directly define these scenarios; instead, it provides the mechanisms (like IF conditions, WHERE clauses, etc.) to implement such logic:
* Option A: Regardless of salary, only if the employee id is less than 125, insert EMPLOYEE_ID, MANAGER_ID, SALARY into the MGR_HISTORY table.
* This is logically plausible as it specifies a simple condition on the employee ID without regard to salary. If true, it directs an insertion of specific columns into a history table, which is a common practice for recording details of a subset of employees based on certain criteria (like employee_id in this case).
* Option C: Only if the salary is 20000 or less and the employee id is less than 125, insert EMPLOYEE_ID, MANAGER_ID, and SALARY into the MGR_HISTORY table.
* Similar to option A, this statement combines two conditions (on salary and employee_id), focusing on a specific subset of employees for history recording. The combined conditionality aligns with typical SQL practices for managing and logging specific data subsets based on multiple criteria.
* Option E: If the salary is 20000 or less and the employee id is less than 125, insert EMPLOYEE_ID, HIRE_DATE, and SALARY into the SAL_HISTORY table.
* This condition again deals with specific attributes (salary and employee_id) to determine which data (including the HIRE_DATE) goes into another history table. The inclusion of HIRE_DATE suggests tracking changes or states over time, which is common in employee management systems.

NEW QUESTION # 168
Which two statements are true about views?

A. The wITH CHECK clause prevents certain rows from being displayed when querying the view.
B. Views can be updated without the need to re-grant privileges on the view.
C. Tables in the defining query of a view must always exist in order to create the view.
D. Theethi CHEcK clause prevents certalin rows from being updated or inserted in the underying table through the view.
E. Views can be indexed.

Answer: B,D

NEW QUESTION # 169
View the Exhibit and examine the structure of the PRODUCT_INFORMATION table. (Choose the best answer.)

PRODUCT_ID column is the primary key.
You create an index using this command:
SQL > CREATE INDEX upper_name_idx
ON product_information(UPPER(product_name));
No other indexes exist on the PRODUCT_INFORMATION table.
Which query would use the UPPER_NAME_IDX index?

A. SELECT product_id, UPPER(product_name)
FROM product_information
WHERE UPPER(product_name) = 'LASERPRO' OR list_price > 1000;
B. SELECT UPPER(product_name)
FROM product_information;
C. SELECT UPPER(product_name)
FROM product_information
WHERE product_id = 2254;
D. SELECT product_id
FROM product_information
WHERE UPPER(product_name) IN ('LASERPRO', 'CABLE');

Answer: D

NEW QUESTION # 170
View the Exhibit and examine the description for the SALES and CHANNELS tables.

You issued this SQL statement:

Which statement is true regarding the result? (Choose the best answer.)

A. The statement will fail because a subquery cannot be used in a VALUES clause.
B. The statement will fail because the subquery in the VALUES clause is not enclosed within single quotation marks.
C. The statement will fail because the VALUES clause is not required with the subquery.
D. The statement will execute and a new row will be inserted in the SALES table.

Answer: D

NEW QUESTION # 171
Which three statements about roles are true?

A. A single user can be assigned multiple roles.
B. Roles are assigned to users using the ALTER USER statement.
C. Privileges are assigned to a role using the GRANT statement.
D. Privileges are assigned to a role using the ALTER ROLE statement.
E. A single role can be assigned to multiple users.
F. Roles are assigned to roles using the ALTER ROLE statement.
G. A role is a named group of related privileges that can only be assigned to a user.

Answer: A,C,E

Explanation:
Roles in Oracle Database are designed to simplify the management of privileges. The following statements about roles are true:
B: A single user can indeed be assigned multiple roles. This allows for easy management of user privileges as they can be grouped into roles, and these roles can be granted to users.
D: A single role can be assigned to multiple users. This is one of the primary purposes of roles, to provide an efficient way to grant the same set of privileges to different users.
G: Privileges are granted to a role using the GRANT statement. This allows the role to encapsulate the privileges which can then be granted to users.
The incorrect options are:
A: Roles cannot be assigned to other roles using the ALTER ROLE statement; they are granted to other roles using the GRANT statement.
C: Roles are not assigned to users using the ALTER USER statement; roles are granted to users using the GRANT statement.
E: Privileges are not assigned to a role using the ALTER ROLE statement; they are granted using the GRANT statement.
F: A role is not limited to being assigned to just one user; it can be assigned to multiple users.
Reference:
Oracle Documentation on Roles: Database Security Guide - Roles
Oracle Documentation on the GRANT statement: SQL Language Reference - GRANT

NEW QUESTION # 172
......

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