[Q29-Q48] 2026 Updated 1z0-071 Tests Engine pdf – All Free Dumps Guaranteed!

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2026 Updated 1z0-071 Tests Engine pdf – All Free Dumps Guaranteed!

Latest Oracle PL/SQL Developer Certified Associate 1z0-071 Actual Free Exam Questions

Oracle 1z1-071 exam covers a range of topics, including SQL data retrieval, SQL data manipulation, and SQL data control. Candidates will need to demonstrate their understanding of SQL concepts and syntax, as well as their ability to write and execute SQL statements. 1z0-071 exam also includes questions on database objects, data types, and data modeling.

Oracle 1z0-071 (Oracle Database SQL) certification exam is a popular choice for IT professionals who want to demonstrate their proficiency in SQL programming and database management. 1z0-071 exam is designed to test candidates on their knowledge of SQL language, its syntax, and its use in managing databases. Passing 1z0-071 exam is a key requirement for those who want to pursue a career in database management, application development, or business intelligence.

QUESTION 29
Whith three statements are true about built in data types?

A VARCHAR2 blank pads column values only if the data stored is non numeric and contains no special characlers

A BFILE stores unstructured binary data in operating systerm files

A CHAR column definition does not require the length to be specified

The default length for a CHAR column is always one character

A VARCHAR2 column definition does not require the length to be specified

A BLOB stores unstructured binary data within the database

QUESTION 30
View the exhibit and examine the structure of the CUSTOMERStable.

Which two tasks would require subqueries or joins to be executed in a single statement?

finding the number of customers, in each city, whose credit limit is more than the average credit limit of all the customers

finding the average credit limit of male customers residing in ‘Tokyo’or ‘Sydney’

listing of customers who do not have a credit limit and were born before 1980

finding the number of customers, in each city, who’s marital status is ‘married’.

listing of those customers, whose credit limit is the same as the credit limit of customers residing in the city ‘Tokyo’.

QUESTION 31
Which two are true about constraints?

A constraint can be disabled even if the constrained column contains data.

Constraints are enforced only during insert operations.

A column with a FOREIGN key constraint can never contain a null value.

A column with a unique constraint can contain a null value.

All constraints can be defined at the table or column level.

QUESTION 32
Which two statements about INVISIBLE indexes are true?

an INVISIBLE Index consumes no storage

You can only create one INVISIBLE index on the same column list

The query optimizer never considers INVISIBLE Indexes when determining execution plans

You use AlTER INDEX to make an INVISIBLE Index VISIBLE

All INSERT, UPDATE, and DELETE statements maintain entries in the index

QUESTION 33
Which three actions can you perform only with system privileges?

Query any table in a database.

Access flat files via a database, which are stored in an operating system directory.

Truncate a table in another schema.

Execute a procedure in another schema.

Use the WITH GRANT OPTION clause.

QUESTION 34
Sales data of a company is stored in two tables, SALES1and SALES2, with some data being duplicated across the tables. You want to display the results from the SALES1table, which are not present in the SALES2table.

Which set operator generates the required output?

INTERSECT

UNION

PLUS

MINUS

SUBTRACT

QUESTION 35
Examine the data in the CUST_NAMEcolumn of the CUSTOMERStable.

You want to extract only those customer names that have three names and display the * symbol in place of the first name as follows:

Which two queries give the required output?

SELECT LPAD(SUBSTR(cust_name, INSTR(cust_name, ‘ ‘)),LENGTH(cust_name),’*’) “CUST NAME” FROM customers WHERE INSTR(cust_name, ‘ ‘,1,2)<>0;

SELECT LPAD(SUBSTR(cust_name, INSTR(cust_name, ‘ ‘)),LENGTH(cust_name),’*’) “CUST NAME” FROM customers WHERE INSTR(cust_name, ‘ ‘,-1,2)<>0;

SELECT LPAD(SUBSTR(cust_name, INSTR (cust_name ‘ ‘)),LENGTH(cust_name) – INSTR(cust_name, ‘
‘), ‘*’) “CUST NAME”
FROM customers
WHERE INSTR(cust_name, ‘ ‘,1,-2)<>0;

SELECT LPAD(SUBSTR(cust_name, INSTR (cust_name ‘ ‘)),LENGTH(cust_name) – INSTR(cust_name, ‘
‘), ‘*’) “CUST NAME”
FROM customers
WHERE INSTR(cust_name, ‘ ‘,1,2)<>0;

QUESTION 36
Examine the commands used to create DEPARTMENT_DETAILS and
COURSE_DETAILS:
You want to generate a report that shows all course IDs irrespective of whether they have corresponding department IDs or not but no department IDs if they do not have any courses.
Which SQL statement must you use?

SELECT course_id, department_id, FROM department_details d RIGHT OUTER JOIN course_details c USING (department_id)

SELECT c.course_id, d.department_id FROM course_details c RIGHT OUTER JOIN
.department_details d ON (c.depatrment_id=d.department_id)

SELECT c.course_id, d.department_id FROM course_details c FULL OUTER JOIN department_details d ON (c.department_id=d. department_id)

SELECT c.course_id, d.department_id FROM course_details c FULL OUTER JOIN department_details d ON (c.department_id<>d. department_id)

QUESTION 37
Examine the description of the SALES table:

The SALES table has 55,000 rows.
Examine this statement:

Which two statements are true?

SALES1 has NOT NULL constraints on any selected columns which had those constraints in the SALES table.

SALES1 is created with 55,000 rows.

SALES1 has PRIMARY KEY and UNIQUE constraints on any selected columns which had those constraints in the SALES table.

SALES1 is created with no rows.

SALES1 is created with 1 row.

QUESTION 38
Examine the description of EMPLOYEES table:
Which three queries return all rows for which SALARY+COMMISSION is greate than 20000?

SELECT * FROM employees WHERE salary+NULLF(commission,0)>=20000;

SELECT * FROM employees WHERE salary+NVL2(commission,commission,0)>=20000;

SELECT * FROM employees WHERE NVL2(salary)+commission,salary+commission,

SELECT * FROM employees WHERE salary+NVL(commission,0)>=20000;

SELECT * FROM employees WHERE NVL(salary+commission,0)>=20000;

SELECT * FROM employees WHERE NVL(salary+commission,0)>==20000;

QUESTION 39
View the Exhibit and examine the structure of the EMP table which is not partitioned and not an index- organized table. (Choose two.)

Evaluate this SQL statement:
ALTER TABLE emp
DROP COLUMN first_name;
Which two statements are true?

The FIRST_NAME column can be dropped even if it is part of a composite PRIMARY KEY provided the CASCADE option is added to the SQL statement.

The FIRST_NAME column would be dropped provided at least one column remains in the table.

The FIRST_NAME column would be dropped provided it does not contain any data.

The drop of the FIRST_NAME column can be rolled back provided the SET UNUSED option is added to the SQL statement.

QUESTION 40
Which CREATE TABLE statement is valid?

Option A

Option B

Option C

Option D

QUESTION 41
The INVOICE table has a QTY_SOLD column of data type NUMBER and an INVOICE_DATE column of data type DATE NLS_DATE_FORMAT is set to DD-MON-RR.
Which two are true about data type conversions involving these columns in query expressions?

invoice_date> ’01-02-2019′: uses implicit conversion

qty_sold =’05549821 ‘: requires explicit conversion

CONCAT(qty_sold, invoice_date): requires explicit conversion

qty_sold BETWEEN ‘101’ AND ‘110’: uses implicit conversion

invoice_date = ’15-march-2019′: uses implicit conversion

QUESTION 42
Examine the description of the PROMTIONS table:

You want to display the unique promotion costs in each promotion category.
Which two queries can be used?

SELECT promo_cost, | pxomo_category FROM promotions ORDER BY 1;

SELECT promo_category, DISTINCT promo_cost PROM promotions ORDER BY 2:

SELECT DISTINCT promo_category ||’has’|| promo_cost AS COSTS FROM promotions ORDER BY 1;

SELECT DISTINCT promo_category, promo_cost FROM promotions ORDER BY 1;

SELECT DISTINCT promo_cost ||’ in’ II DISTINCT promo_category FROM promotions ORDER BY 1;

QUESTION 43
Which three statements are correct regarding indexes? (Choose three.)

A non-deferrable PRIMARY KEY or UNIQUE KEY constraint in a table automatically attempts to create a unique index.

Indexes should be created on columns that are frequently referenced as part of any expression.

When a table is dropped, corresponding indexes are automatically dropped.

For each DML operation performed on a table, the corresponding indexes are automatically updated if required.

QUESTION 44
Examine the structure proposed for the TRANSACTIONStable:

Which two statements are true regarding the storage of data in the above table structure? (Choose two.)

The CUST_CREDIT_VALUEcolumn would allow storage of positive and negative integers.

The TRANS_VALIDITYcolumn would allow storage of a time interval in days, hours, minutes, and seconds.

The CUST_STATUScolumn would allow storage of data up to the maximum VARCHAR2size of 4,000 characters.

The TRANS_DATEcolumn would allow storage of dates only in the dd-mon-yyyy format.

QUESTION 45
Examine the structure of the EMPLOYEES table.

You must display the maximum and minimum salaries of employees hired 1 year ago.
Which two statements would provide the correct output? (Choose two.)

SELECT MIN(Salary) minsal, MAX(salary) maxsal
FROM employees
WHERE hire_date < SYSDATE-365
GROUP BY MIN(salary), MAX(salary);

SELECT minsal, maxsal
FROM (SELECT MIN(salary) minsal, MAX(salary) maxsal
FROM employees
WHERE hire_date < SYSDATE-365)
GROUP BY maxsal, minsal;

SELECT minsal, maxsal
FROM (SELECT MIN(salary) minsal, MAX(salary) maxsal
FROM employees
WHERE hire_date < SYSDATE-365
GROUP BY MIN(salary), MAX(salary));

SELECT MIN(Salary), MAX(salary)
FROM (SELECT salary FROM
employees
WHERE hire_date < SYSDATE-365);

QUESTION 46
The PRODUCTStable has the following structure.

Evaluate the following two SQL statements:
SQL>SELECT prod_id, NVL2 (prod_expiry_date, prod_expiry_date + 15, ‘ ‘) FROM products; SQL>SELECT prod_id, NVL (prod_expiry_date, prod_expiry_date + 15) FROM products; Which statement is true regarding the outcome?

Both the statements execute and give different results

Only the second SQL statement executes successfully

Both the statements execute and give the same result

Only the first SQL statement executes successfully

QUESTION 47
Examine the structure of the BOOKS_TRANSACTIONS table:

You want to display the member IDs, due date, and late fee as $2 for all transactions.
Which SQL statement must you execute?

SELECT member_id AS “MEMBER ID”, due_date AS “DUE DATE”, $2 AS “LATE FEE” FROM BOOKS_TRANSACTIONS

SELECT member_id AS “MEMBER ID”, due_date AS “DUE DATE”, ‘$2’ AS “LATE FEE” FROM BOOKS_TRANSACTIONS

SELECT member_id ‘MEMBER ID’, due_date ‘DUE DATE’, ‘$2 AS LATE FEE’ FROM BOOKS_TRANSACTIONS;

SELECT member_id AS MEMBER_ID, due_date AS DUE_DATE, $2 AS LATE_FEE
FROM BOOKS_TRANSACTIONS

QUESTION 48
Examine the description of the ENPLOYES table:

Which query requires explicit data type conversion?

SELECT SUBSTR(join date, 1, 2) – 10 FROM employees;

SELECT join_ date + ’20’ EROM employees;

SELECT join_ date” salary FROM employees;

SELECT join _ date FROM employees WHERE join date > *10-02-2018′;

SELECT salary + ‘120.50’ FROM employees;

Prerequisites

There are no official requirements for passing the Oracle 1Z0-071 exam. However, it is recommended that the students have a good grasp of SQL syntax rules. They also need to be able to use general SQL functions, identify the result of fundamental DDL operations, and know how to implement SQL statements and functions.

1z0-071 Dumps Updated Practice Test and 325 unique questions: https://www.braindumpsit.com/1z0-071_real-exam.html