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Prepare for Oracle 1Z0-071 Success: Exam Questions 2024 Updated, Oracle Database SQL | SPOTO

Prepare for the Oracle Database SQL (1Z0-071) certification with SPOTO's premium exam materials. Our platform offers a variety of practice tests, free test sessions, and realistic exam simulations to ensure you're ready for exam day. Access comprehensive online exam questions, sample questions, and exam dumps that closely mimic the actual exam. Our detailed exam questions and answers are designed to enhance your understanding of Oracle SQL and PL/SQL technology. Whether you're an IT student seeking to deepen your SQL database knowledge or a junior programmer aiming for Oracle certification, our mock exams provide essential insights into your readiness. Utilize our latest practice tests to gain confidence and successfully pass the certification exam, setting a strong foundation for your future progression in the IT industry.
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Question #1
Which statement is true regarding external tables?
A. The CREATE TABLE AS SELECT statement can be used to upload data into regular table in the database from an external table
B. The data and metadata for an external table are stored outside the database
C. The default REJECT LIMIT for external tables is UNLIMITED
D. ORACLE_LOADER and ORACLE_DATAPUMP have exactly the same functionality when used with an external table
View answer
Correct Answer: D

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Question #2
Examine these SQL statements that are executed in the given order: CREATE TABLE emp (emp_no NUMBER (2) CONSTRAINT emp_emp_no_pk PRIMARY KEY, ename VARCHAR 2 (15), salary NUMBER (8, 2), mgr_no NUMBER(2) CONSTRAINT emp_mgr_fk REFERENCES emp (emp_no)); ALTER TABLE emp DISABLE CONSTRAINT emp_emp_no_pk CASCADE; ALTER TABLE emp ENABLE CONSTRAINT emp_emp_no_pk; What will be the status of the foreign key EMP_MGR_FK?
A. It will be enabled and immediate
B. It will be enabled and deferred
C. It will remain disabled and can be re-enabled manually
D. It will remain disabled and can be enabled only by dropping the foreign key constraint and re-creating it
View answer
Correct Answer: AB
Question #3
On your Oracle 12c database, you invoked SQL *Loader to load data into the EMPLOYEES table in the HR schema by issuing the following command: $> sqlldr hr/hr@pdb table=employees Which two statements are true regarding the command?
A. It succeeds with default settings if the EMPLOYEES table belonging to HR is already defined in the database
B. It fails because no SQL *Loader data file location is specified
C. It fails if the HR user does not have the CREATE ANY DIRECTORY privilege
D. It fails because no SQL *Loader control file location is specified
View answer
Correct Answer: B
Question #4
View the exhibit and examine the description of the PRODUCT_INFORMATION table. Which SQL statement would retrieve from the table the number of products having LIST_PRICE as NULL?
A. SELECT COUNT (DISTINCT list_price)FROM product_informationWHERE list_price is NULL
B. SELECT COUNT (NVL(list_price, 0))FROM product_informationWHERE list_price is NULL
C. SELECT COUNT (list_price)FROM product_informationWHERE list_price i= NULL
D. SELECT COUNT (list_price)FROM product_informationWHERE list_price is NULL
View answer
Correct Answer: B
Question #5
Which two statements are true regarding constraints?
A. A table can have only one primary key and one foreign key
B. A table can have only one primary key but multiple foreign keys
C. Only the primary key can be defined at the column and table levels
D. The foreign key and parent table primary key must have the same name
E. Both primary key and foreign key constraints can be defined at both column and table levels
View answer
Correct Answer: C
Question #6
Which two statements are true regarding the SQL GROUP BY clause?
A. You can use a column alias in the GROUP BY clause
B. Using the WHERE clause after the GROUP BY clause excludes rows after creating groups
C. The GROUP BY clause is mandatory if you are using an aggregating function in the SELECT clause
D. Using the WHERE clause before the GROUP BY clause excludes rows before creating groups
E. If the SELECT clause has an aggregating function, then columns without an aggregating function in the SELECT clause should be included in the GROUP BY clause
View answer
Correct Answer: AC
Question #7
Examine the structure of the PROMOTIONS table: (Choose the best answer.) Management requires a report of unique promotion costs in each promotion category. Which query would satisfy this requirement?
A. SELECT DISTINCT promo_category, promo_cost FROM promotions ORDER BY 1
B. SELECT promo_category, DISTINCT promo_cost FROM promotions
C. SELECT DISTINCT promo_cost, promo_category FROM promotions
D. SELECT DISTINCT promo_cost, DISTINCT promo_category FROM promotions;
View answer
Correct Answer: D

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