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Newly Released 1z0-071 Dumps for Oracle PL/SQL Developer Certified Associate Certified
Oracle 1z1-071 exam is conducted by Oracle Corporation and is taken by thousands of candidates every year. 1z0-071 exam consists of approximately 73 multiple choice and multiple response questions and is designed to be completed within two hours. Successfully passing 1z0-071 exam is a testament to an individual’s expertise in oracle database SQL, which can open many doors of opportunities for them in the IT industry. Candidates who pass 1z0-071 exam can prove that they have acquired a key skill set that is essential for any database administrator, developer, or analyst who is looking to build a successful career in the technology domain.
NEW QUESTION # 111
Examine the command to create the BOOKS table.
The BOOK_IDvalue 101does not exist in the table.
Examine the SQL statement:
Which statement is true?
- A. It executes successfully only if NULLis explicitly specified in the INSERTstatement.
- B. It executes successfully only if the PUBLISHER_IDcolumn name is added to the columns list in the INSERTstatement.
- C. It executes successfully only if the PUBLISHER_IDcolumn name is added to the columns list and NULL is explicitly specified in the INSERTstatement.
- D. It executes successfully and the row is inserted with a rule PUBLISHER_ID.
Answer: D
NEW QUESTION # 112
In the customers table, the CUST_CITY column contains the value 'Paris' for the CUST_FIRST_NAME 'Abigail'.
Evaluate the following query:
What would be the outcome?
- A. Abigail PA
- B. Abigail Pa
- C. Abigail IS
- D. An error message
Answer: B
NEW QUESTION # 113
Which two are true about queries using set operators (UNION, UNION ALL, INTERSECT and MINUS)?
- A. None of the set operators can be used when selecting CLOB columns.
- B. There must be an equal number of columns in each SELECT list.
- C. The name of each column in the first SELECT list must match the name of the corresponding column in each subsequent SELECT list.
- D. Each SELECT statement in the query can have an ORDER BY clause.
- E. The FOR UPDATE clause cannot be specified.
Answer: B,E
NEW QUESTION # 114
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 (NVL(list_price, 0))FROM product_informationWHERE list_price is NULL
- B. SELECT COUNT (DISTINCT list_price)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
Answer: A
NEW QUESTION # 115
Examine the description of the CUSTOMERS table:
Which two SELECT statements will return these results:
CUSTOMER_ NAME
--------------------
Mandy
Mary
- A. SELECT customer_ name FROM customers WHERE UPPER (customer name) LIKE 'MA&';
- B. SELECT customer_ name FROM customers WHERE customer name LIKE 'Ma%' ;
- C. SELECT customer_ name FROM customers WHERE customer_ name='*Ma*';
- D. SELECT customer_ name FROM customers WHERE customer_ name KIKE .*Ma*';
- E. SELECT customer_ name FROM customers WHERE customer_ name LIKE ' % a % ' ;
- F. SELECT customer_ name FROM customers WHERE customer name LIKE 'Ma*';
- G. SELECT customer_ name FROM customers WHERE UPPER (customer_ name ) LIKE 'MA*. ;
Answer: B,E
NEW QUESTION # 116
Which statement is true regarding the INTERSECT operator?
- A. It ignores NULL values
- B. The names of columns in all SELECT statements must be identical
- C. Reversing the order of the intersected tables the result
- D. The number of columns and data types must be identical for all SELECT statements in the query
Answer: D
Explanation:
INTERSECT Returns only the rows that occur in both queries' result sets, sorting them and
removing duplicates.
The columns in the queries that make up a compound query can have different names, but
the output result set will use the names of the columns in the first query.
NEW QUESTION # 117
You execute the following commands:
SQL > DEFINE hiredate = '01-APR-2011'
SQL >SELECT employee_id, first_name, salary
FROM employees
WHERE hire_date > '&hiredate'
AND manager_id > &mgr_id;
For which substitution variables are you prompted for the input?
- A. only hiredate'
- B. both the substitution variables ''hiredate' and 'mgr_id'.
- C. only 'mgr_id'
- D. none, because no input required
Answer: C
NEW QUESTION # 118
View the exhibit and examine the structure of ORDERSand CUSTOMERStables.
ORDERS
Name
Null? Type
ORDER_ID NOT NULL NUMBER(4)
ORDER_DATE NOT NULL DATE
ORDER_MODE VARCHAR2(8)
CUSTOMER_ID NOT NULL NUMBER(6)
ORDER_TOTAL NUMBER(8, 2)
CUSTOMERS
Name Null? Type
CUSTOMER_ID NOT NULL NUMBER(6)
CUST_FIRST_NAME NOT NULL VARCHAR2(20)
CUST_LAST_NAME NOT NULL VARCHAR2(20)
CREDIT_LIMIT NUMBER(9,2)
CUST_ADDRESS VARCHAR2(40)
Which INSERT statement should be used to add a row into the ORDERStable for the customer whose CUST_LAST_NAMEis Robertsand CREDIT_LIMITis 600? Assume there exists only one row with CUST_LAST_NAME as Roberts and CREDIT_LIMIT as 600.
- A. INSERT INTO (SELECT o.order_id, o.order_date, o.order_mode, c.customer_id, o.order_total
FROM orders o, customers c
WHERE o.customer_id = c.customer_id AND c.cust_last_name='Roberts' AND
c.credit_limit=600)
VALUES (1,'10-mar-2007', 'direct', (SELECT customer_id
FROM customers
WHERE cust_last_name='Roberts' AND credit_limit=600), 1000); - B. INSERT INTO orders (order_id, order_date, order_mode,
( SELECT customer_id
FROM customers
WHERE cust_last_name='Roberts' AND credit_limit=600), order_total);
VALUES (1,'10-mar-2007', 'direct', &customer_id, 1000); - C. INSERT INTO orders (order_id, order_date, order_mode,
( SELECT customer id
FROM customers
WHERE cust_last_name='Roberts' AND credit_limit=600), order_total);
VALUES (1,'10-mar-2007', 'direct', &customer_id, 1000); - D. INSERT INTO orders
VALUES (1,'10-mar-2007', 'direct',
( SELECT customer_id
FROM customers
WHERE cust_last_name='Roberts' AND credit_limit=600), 1000);
Answer: D
NEW QUESTION # 119
Which three statements are true about sequences in a single instance Oracle database? (Choose three.)
- A. A sequence can issue duplicate values
- B. Sequences can always have gaps
- C. A sequence's unallocated cached value are lost if the instance shuts down
- D. A sequence number that was allocated can be rolled back if a transaction fails
- E. A sequence can only be dropped by a DBA
- F. Two or more tables cannot have keys generated from the same sequence
Answer: C,D,E
Explanation:
Explanation/Reference: https://docs.oracle.com/cd/B19306_01/server.102/b14200/statements_6015.htm
NEW QUESTION # 120
Which three statements are true regarding the SQL WHERE and HAVING clauses?
- A. The WHERE and HAVING clauses cannot be used together in a SQL statement.
- B. The HAVING clause conditions can have aggregating functions.
- C. The WHERE clause is used to exclude rows before grouping data.
- D. The HAVING clause conditions can use aliases for the columns.
- E. The HAVING clause is used to exclude one or more aggregated results after grouping data.
Answer: B,C,E
NEW QUESTION # 121
Evaluate the following statement.
Which statement is true regarding the evaluation of rows returned by the subquery in the INSERT statement?
- A. They are evaluated by the first WHEN clause. If the condition is true, then the row would be evaluated by the subsequent WHEN clauses.
- B. The insert statement would give an error because the ELSE clause is not present for support in case none of WHEN clauses are true.
- C. They are evaluated by all the three WHEN clauses regardless of the results of the evaluation of any other WHEN clause.
- D. They are evaluated by the first WHEN clause. If the condition is false, then the row would be evaluated by the subsequent WHEN clauses.
Answer: C
Explanation:
References:
http://psoug.org/definition/WHEN.htm
NEW QUESTION # 122
Examine the structure of the MEMBERS table.
Which query can be used to display the last names and city names only for members from the states MO and MI?
- A. SELECT last_name, city FROM members WHERE state LIKE 'M%';
- B. SELECT last_name, city FROM members WHERE state ='MO' AND state ='MI';
- C. SELECT DISTINCT last_name, city FROM members WHERE state ='MO' OR state ='MI';
- D. SELECT last_name, city FROM members WHERE state IN ('MO', 'MI');
Answer: D
NEW QUESTION # 123
Examine this SELECT statement and view the Exhibit to see its output: (Choose two.)
SELECT constraints_name, constraints_type, search_condition, r_constraints_name, delete_rule, status, FROM user_constraints WHERE table_name = 'ORDERS'; Which two statements are true about the output?
- A. The R_CONSTRAINT_NAME column contains an alternative name for the constraint.
- B. The DELETE_RULE column indicates the desired state of related rows in the child table when the corresponding row is deleted from the parent table.
- C. In the second column, 'c' indicates a check constraint.
- D. The STATUS column indicates whether the table is currently in use.
Answer: B,C
NEW QUESTION # 124
Examine this SQL statement:
Which two are true?
- A. All existing rows in the ORDERS table are updated
- B. The subquery is executed before the UPDATE statement is executed
- C. The subquery is not a correlated subquery
- D. The UPDATE statement executes successfully even if the subquery selects multiple rows
- E. The subquery is executed for every updated row in the ORDERS table
Answer: A,E
NEW QUESTION # 125
Examine the structure of the CUSTOMERS table: (Choose two.)
CUSTNO is the PRIMARY KEY.
You must determine if any customers' details have been entered more than once using a different CUSTNO, by listing all duplicate names.
Which two methods can you use to get the required result?
- A. Right outer-join with self-join
- B. Self-join
- C. Left outer-join with self-join
- D. Full outer-join with self-join
- E. Subquery
Answer: B,E
NEW QUESTION # 126
View the Exhibit and examine the structure of the PRODUCT_INFORMATION table.
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? (Choose the best answer.)
- A. SELECT product_id, UPPER(product_name)FROM product_informationWHERE UPPER(product_name)='LASERPRO' OR list_price > 1000;
- B. SELECT product_idFROM product_informationWHERE UPPER(product_name) IN ('LASERPRO', 'CABLE');
- C. SELECT UPPER(product_name)FROM product_informationWHERE product_id = 2254;
- D. SELECT UPPER(product_name)FROM product_information;
Answer: B
NEW QUESTION # 127
Examine the following query:
What is the output of this query?
- A. It displays 5 percent of the products with the lowest amount sold.
- B. It displays 5 percent of the products with the highest amount sold.
- C. It displays the first 5 percent of the rows from the SALES table.
- D. It results in an error because the ORDER BY clause should be the last clause.
Answer: A
NEW QUESTION # 128
View the Exhibit and examine PRODUCTS and ORDER_ITEMS tables.
You executed the following query to display PRODUCT_NAME and the number of times the product has been ordered:
SQL>SELECT p.product_name, i.item_cnt
FROM (SELECT product_id, COUNT (*) item_cnt
FROM order_items
GROUP BY product_id) i RIGHT OUTER JOIN products p
ON i.product_id = p.product_id;
What would happen when the above statement is executed?
- A. The statement would not execute because the GROUP BY clause cannot be used in the inline.
- B. The statement would not execute because inline views and outer joins cannot be used together.
- C. The statement would execute successfully to produce the required output.
- D. The statement would not execute because the ITEM_CNT alias cannot be displayed in the outer query.
Answer: C
NEW QUESTION # 129
Which statements are true? (Choose all that apply.)
- A. Views with the same name but different prefixes, such as DBA, ALL and USER, use the same base tables from the data dictionary.
- B. The data dictionary is created and maintained by the database administrator.
- C. The data dictionary views consists of joins of dictionary base tables and user-defined tables.
- D. The USER_CONS_COLUMNS view should be queried to find the names of the columns to which a constraint applies.
- E. Both USER_OBJECTS and CAT views provide the same information about all the objects that are owned by the user.
- F. The usernames of all the users including the database administrators are stored in the data dictionary.
Answer: A,D,F
Explanation:
References:
https://docs.oracle.com/cd/B10501_01/server.920/a96524/c05dicti.htm
NEW QUESTION # 130
Which statement is true regarding the INTERSECToperator?
- A. The names of columns in all SELECTstatements must be identical.
- B. It ignores NULLvalues.
- C. Reversing the order of the intersected tables alters the result.
- D. The number of columns and data types must be identical for all SELECTstatements in the query.
Answer: D
Explanation:
Explanation/Reference:
References:
http://oraclexpert.com/using-the-set-operators/
NEW QUESTION # 131
Which two statements are true about a self join? (Choose two.)
- A. It can be a left outer join.
- B. The join key column must have an index.
- C. It must be an equijoin.
- D. It must be a full outer join.
- E. It can be an inner join.
Answer: B,E
Explanation:
Explanation/Reference: https://www.oracletutorial.com/oracle-basics/oracle-self-join/
NEW QUESTION # 132
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? (Choose two.)
- A.
- B.
- C.
- D.
- E.
Answer: C,D
NEW QUESTION # 133
Which three actions can you perform on an existing table containing data? (Choose three.)
- A. Define a default value that is automatically inserted into a column containing nulls
- B. Change a DATE column containing data to a NUMBER data type
- C. Increase the width of a numeric column
- D. Add a new column as the table's first column
- E. Add a new NOT NULL column with a DEFAULT value
- F. Change the default value of a column
Answer: D,F
Explanation:
Explanation/Reference: https://docs.oracle.com/javadb/10.8.3.0/ref/rrefsqlj24513.html
NEW QUESTION # 134
View the exhibit and examine the descriptions of the DEPT and LOCATIONS tables.
You want to update the CITY column of the DEPT table for all the rows with the corresponding value in the CITY column of the LOCATIONS table for each department.
Which SQL statement would you execute to accomplish the task?
- A. UPDATE dept dSET city = (SELECT cityFROM locations lWHERE d.location_id = l.location_id);
- B. UPDATE dept dSET city = (SELECT cityFROM locations l)WHERE d.location_id = l.location_id;
- C. UPDATE dept dSET city = ALL (SELECT cityFROM locations lWHERE d.location_id = l.location_id);
- D. UPDATE dept dSET city = ANY (SELECT cityFROM locations l)
Answer: A
NEW QUESTION # 135
Examine the data in the CUSTOMERS table:
You want to list all cities that have more than one customer along with the customer details.
Evaluate the following query:
Which two JOIN options can be used in the blank in the above query to give the correct output? (Choose two.)
- A. LEFT OUTER JOIN
- B. NATURAL JOIN
- C. FULL OUTER JOIN
- D. JOIN
- E. RIGHT OUTER JOIN
Answer: D,E
NEW QUESTION # 136
......
Oracle 1z0-071 exam, also known as the Oracle Database SQL exam, is a certification exam offered by Oracle Corporation. It is designed to test the knowledge and skills of SQL developers, database administrators, and database analysts who work with Oracle databases. Passing 1z0-071 exam is a requirement for earning the Oracle Database SQL Certified Associate certification.
Oracle 1z0-071 exam is a multiple-choice test that consists of 73 questions. 1z0-071 exam is divided into six sections, each of which covers a different aspect of SQL, including SQL fundamentals, data retrieval using SELECT statements, single-row functions, and data manipulation using DML statements.
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