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Oracle 1z0-071 (Oracle Database SQL) Certification Exam is designed to test the knowledge and skills of professionals in the field of database management. Oracle is a leading provider of database management systems, and this certification exam is one of the most widely recognized and respected credentials in the industry. It is an entry-level exam that covers the basic concepts and principles of SQL programming, as well as the features and functionality of the Oracle Database.

Oracle 1z0-071, also known as the Oracle Database SQL Exam, is designed to assess an individual's skills and knowledge in SQL programming language. 1z0-071 Exam is intended for database developers, database administrators, and professionals who wish to validate their SQL skills and expertise in Oracle database management. Passing 1z0-071 exam is a prerequisite for obtaining the Oracle Database SQL Certified Associate certification.

Oracle Database SQL Sample Questions (Q253-Q258):

NEW QUESTION # 253
Which three are true about the MERGE statement?

A. It can use views to produce source rows.
B. It can update, insert, or delete rows conditionally in multiple tables.
C. It can update the same row of the target table multiple times.
D. It can use subqueries to produce source rows.
E. It can merge rows only from tables.
F. It can combine rows from multiple tables conditionally to insert into a single table.

Answer: A,D,F

Explanation:
B: True. The Oracle Database MERGE statement can use a subquery that involves views to generate the source data for the merge operation. This allows for greater flexibility in specifying the data to be merged.
C: True. MERGE can conditionally combine rows from one or more source tables (or views, or the results of a subquery) to insert or update rows in a single target table based on whether or not a match exists.
D: True. MERGE can indeed use subqueries to produce source rows. The source data for a merge operation can be a table, view, or the result of a subquery.
The MERGE statement is a powerful SQL operation in Oracle that allows for conditional INSERT or UPDATE operations in one statement, often referred to as an "upsert" operation. It can handle complex scenarios where the decision to insert or update is based on whether the data matches between the target and source datasets.
Reference:
Oracle SQL documentation on the MERGE statement provides information on how it can use different data sources, including subqueries and views, and perform conditional operations on the target table.

NEW QUESTION # 254
You create a table by using this command:
CREATE TABLE rate_list (rate NUMBER(6,2));
Which two are true about executing statements? (Choose two.)

A. INSERT INTO rate_list VALUES (87654.556)inserts the value as 87654.6.
B. INSERT INTO rate_list VALUES (0.551)inserts the value as .55.
C. INSERT INTO rate_list VALUES (-10)produces an error.
D. INSERT INTO rate_list VALUES (0.999) produces an error.
E. INSERT INTO rate_list VALUES (-99.99)inserts the value as 99.99.
F. INSERT INTO rate_list VALUES (-.9)inserts the value as -.9.

Answer: B,F

NEW QUESTION # 255
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?

A. SELECT member_id AS "MEMBER ID", due_date AS "DUE DATE", '$2' AS "LATE FEE" FROM BOOKS_TRANSACTIONS;
B. SELECT member_id AS "MEMBER ID", due_date AS "DUE DATE", $2 AS "LATE FEE" FROM BOOKS_TRANSACTIONS;
C. SELECT member_id AS MEMBER_ID, due_date AS DUE_DATE, $2 AS LATE_FEE
FROM BOOKS_TRANSACTIONS;
D. SELECT member_id 'MEMBER ID', due_date 'DUE DATE', '$2 AS LATE FEE' FROM BOOKS_TRANSACTIONS;

Answer: A

NEW QUESTION # 256
Which three are true about the CREATE TABLEcommand? (Choose three.)

A. It implicitly executes a commit
B. The owner of the table should have space quota available on the tablespace where the table is defined
C. It can include the CREATE..INDEXstatement for creating an index to enforce the primary key constraint
D. The owner of the table must have the UNLIMITED TABLESPACEsystem privilege
E. It implicitly rolls back any pending transactions
F. A user must have the CREATE ANY TABLEprivilege to create tables

Answer: A,D,F

Explanation:
Explanation/Reference: https://docs.oracle.com/html/E25494_01/tables003.htm

NEW QUESTION # 257
which three statements are true about indexes and their administration in an Oracle database?

A. A DROP INDEX statement always prevents updates to the table during the drop operation
B. A DESCENDING INDEX IS A type of function-based index
C. AN INDEX CAN BE CREATED AS part of a CREATE TABLE statement
D. The same table column can be part of a unique and non-unique index
E. IF a query filters on an indexed column then it will always be used during execution of query
F. AN INVISIBLE INDEX is not maintained when DML is performed on its underlying table.

Answer: C,D,F

Explanation:
A). True, a single table column can be included in both a unique index and a non-unique index, provided they are different indexes.
D). True, an invisible index is maintained during DML operations, which means it is updated when insert, update, or delete operations are performed on the table. However, it is not used by the optimizer by default for query execution unless explicitly hinted or the session is altered to consider invisible indexes.
E). True, an index can be specified in the CREATE TABLE statement using the INDEX clause to create an index on a specific column at the time of table creation.
B, C, and F are not correct: B. A descending index is simply an index that is sorted in descending order, not a type of function-based index. C. A DROP INDEX

NEW QUESTION # 258
......

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New Oracle 1z0-071 Test Camp, 1z0-071 Valid Exam Sims

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Free PDF Quiz 2026 1z0-071: Authoritative New Oracle Database SQL Test Camp

Oracle Database SQL Sample Questions (Q253-Q258):

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