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The Oracle 1z0-071 Exam covers a wide range of topics such as database architecture, data manipulation, data control language statements, and data definition language statements. Candidates will be tested on their ability to write SQL queries, create and manage database objects, and use advanced SQL features such as subqueries, set operators, and regular expressions.

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Oracle 1z1-071 exam, also known as the Oracle Database SQL exam, is a certification test that validates the knowledge and skills of individuals in using SQL to interact with Oracle Database. Passing 1z0-071 Exam demonstrates that an individual has a strong foundation in SQL and is capable of performing basic database operations.

Oracle Database SQL Sample Questions (Q23-Q28):

NEW QUESTION # 23
You own table DEPARTMENTS, referenced by views, indexes, and synonyms.
Examine this command which executes successfully:
DROP TABLE departments PURGE;
Which three statements are true?

A. It will delete all rows from the DEPARTMENTS table, but retain the empty table.
B. It will remove all synonyms for the DEPARTMENTS table.
C. It will remove the DE PARTMENTS table from the database.
D. Neither can it be rolled back nor can the DEPARTMENTS table be recovered.
E. It will remove all views that are based on the DEPARTMENTS table.
F. It will drop all indexes on the DEPARTMENTS table.

Answer: C,D,F

Explanation:
* A: This is true. Using PURGE in the DROP TABLE command will permanently remove the table and its dependent objects so that it cannot be recovered, and the action cannot be rolled back.
* B: This statement is true. Dropping the base table will result in the removal of all views that are based on the DEPARTMENTS table.
* C: This statement is false. The PURGE option removes the table and does not just delete rows.
* D: This statement is true. The DROP TABLE command will remove the DEPARTMENTS table from the database.
* E: This statement is true. When a table is dropped, all synonyms for that table are also removed.
* F: This statement is true. Dropping a table will automatically drop all indexes associated with the table.

NEW QUESTION # 24
View the Exhibit and examine the description for the PRODUCTS and SALES table.

PROD_IDis a primary key in the PRODUCTStable and foreign key in the SALEStable with ON DELETE CASCADEoption. The SALEStable contains data for the last three years. You want to remove all the rows from the PRODUCTStable for which no sale was done for the last three years.
Which is the valid DELETEstatement?

A. DELETE
FROM products
WHERE prod_id = (SELECT prod_id
FROM sales
WHERE time_id - 3*365 = SYSDATE );
B. DELETE
FROM products
WHERE prod_id IN (SELECT prod_id
FROM sales
WHERE SYSDATE - 3*365 >= time_id);
C. DELETE
FROM products
WHERE prod_id = (SELECT prod_id
FROM sales
WHERE SYSDATE >= time_id - 3*365 );
D. DELETE
FROM products
WHERE prod_id IN (SELECT prod_id
FROM sales
WHERE time_id >= SYSDATE - 3*365 );

Answer: B

NEW QUESTION # 25
Which two statements are true regarding a SAVEPOINT? (Choose two.)

A. Rolling back to a SAVEPOINTcan undo a DELETEstatement
B. Rolling back to a SAVEPOINT can undo a TRUNCATEstatement
C. A SAVEPOINTdoes not issue a COMMIT
D. Only one SAVEPOINTmay be issued in a transaction
E. Rolling back to a SAVEPOINTcan undo a CREATE INDEX statement

Answer: A,C

NEW QUESTION # 26
Examine the description of the CUSTOMERStable:

You need to display last names and credit limits of all customers whose last name starts with A or B in lower or upper case, and whose credit limit is below 1000.
Examine this partial query:

Which two WHEREconditions give the required result?

Answer: C,E

NEW QUESTION # 27
View the exhibit and examine the description of the EMPLOYEES table. (Choose two.)

You executed this SQL statement:
SELECT first_name, department_id, salary
FROM employees
ORDER BY department_id, first_name, salary desc;
Which two statements are true regarding the result? (Choose two.)

A. The values in the all columns would be returned in descending order.
B. The values in the SALARY column would be returned in descending order for all employees having the same value in the DEPARTMENT_ID and FIRST_NAME column.
C. The values in the SALARY column would be returned in descending order for all employees having the same value in the DEPARTMENT_ID column.
D. The values in the FIRST_NAME column would be returned in descending order for all employees having the same value in the DEPARTMENT_ID column.
E. The values in the FIRST_NAME column would be returned in ascending order for all employees having the same value in the DEPARTMENT_ID column.

Answer: B,E

NEW QUESTION # 28
......

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