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Oracle 1z1-071 Exam Overview:

Certification Vendor:	Oracle
Exam Name:	Oracle Database SQL
Exam Number:	1Z0-071
Exam Format:	Multiple Choice, Multiple Response, Computer-based exam, Proctored exam
Exam Price:	USD 245 (varies by country/region)
Related Certifications:	Oracle Database Development certifications Oracle Database Administrator Certified Associate
Available Languages:	Japanese, Spanish, Chinese (Simplified), English, Portuguese
Exam Duration:	120 minutes
Certificate Validity Period:	Non-expiring (Oracle certification policy subject to change)
Recommended Training:	Oracle Database SQL Training
Exam Registration:	Oracle Certification Registration
Sample Questions:	Oracle 1z1-071 Sample Questions
Exam Way:	Online proctored or test center delivery depending on region
Pre Condition:	No formal prerequisites required; basic knowledge of relational databases and SQL recommended.
Official Syllabus URL:	https://education.oracle.com/oracle-database-sql/pexam_1Z0-071

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Oracle 1z1-071 certification exam consists of 73 multiple-choice questions, and the candidates have 105 minutes to complete the exam. 1z1-071 exam covers various topics, including data manipulation, data definition, data control, and transactions. 1z1-071 Exam also covers SQL functions, expressions, and operators, as well as basic SQL programming concepts, such as joins, subqueries, and set operators.

Oracle Database SQL Sample Questions (Q118-Q123):

NEW QUESTION # 118
Examine this SQL statement:

Which two are true? (Choose two.)

A. The subquery is executed before the DELETE statement is executed.
B. The subquery is not a correlated subquery.
C. The subquery is executed for every row in the EMPLOYEES table.
D. All existing rows in the EMPLOYEES table are deleted.
E. The DELETE statement executes successfully even if the subquery selects multiple rows.

Answer: A,C

NEW QUESTION # 119
Which three statements are true regarding indexes? (Choose three.)

A. A SELECT statement can access one or more indices without accessing any tables
B. When a table is dropped and is moved to the RECYCLE BIN, all indexes built on that table are permanently dropped
C. A table belonging to one user can have an index that belongs to a different user
D. An update to a table can result in no updates to any of the table's indexes
E. An update to a table can result in updates to any or all of the table's indexes
F. A UNIQUE index can be altered to be non-unique

Answer: A,B,D

NEW QUESTION # 120
The SYSDATEfunction displays the current Oracle Server date as:
21-MAY-19
You wish to display the date as:
MONDAY, 21 MAY, 2019
Which statement will do this?
SELECT TO_DATE(SYSDATE, 'FMDAY, DD MONTH, YYYY') FROM DUAL;

A. SELECT TO_CHAR(SYSDATE, 'FMDAY, DDTH MONTH, YYYY') FROM DUAL;
B.
C. SELECT TO_CHAR(SYSDATE, 'FMDAY, DD MONTH, YYYY') FROM DUAL;
D. SELECT TO_CHAR(SYSDATE, 'FMDD, DAY MONTH, YYYY') FROM DUAL;

Answer: B

Explanation:
SELECT ID, TO_CHAR(Start_Date,'fmDay Month fmDD, YYYY') AS "Start Date" FROM Employee; Reference: http://www.java2s.com/Code/Oracle/Data-Type/ TOCHARDatefmDayMonthfmDDYYYYEmbeddedspacescanberemovedbyplacingthefmprefix.htm

NEW QUESTION # 121
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: B

NEW QUESTION # 122
Which statements are true regarding primary and foreign key constraints and the effect they can have on table data?

A. A table can have only one primary key but multiple foreign keys.
B. Only the primary key can be defined the column and table level.
C. It is possible for child rows that have a foreign key to be deleted automatically from the child table at the time the parent row is deleted.
D. The foreign key columns and parent table primary key columns must have the same names.
E. A table can have only one primary key and one foreign key.
F. Primary key and foreign key constraints can be defined at both the column and table level.
G. It is possible for child rows that have a foreign key to remain in the child table at the time the parent row is deleted.

Answer: A,C,F

Explanation:
Regarding primary and foreign key constraints:
* A. A table can have only one primary key but multiple foreign keys. This is true. A table is constrained to have only one primary key, which can consist of multiple columns, but can have several foreign keys referencing primary keys in other tables.
* C. Primary key and foreign key constraints can be defined at both the column and table level.
True. Constraints can be defined inline with the column definition or separately at the end of the table definition.
* E. It is possible for child rows that have a foreign key to be deleted automatically from the child table at the time the parent row is deleted. This is also true if the foreign key is defined with the ON DELETE CASCADE option.
Options B, D, F, and G are incorrect:
* B is incorrect because if a parent row is deleted, the child rows cannot remain without violating the integrity unless the foreign key is defined with ON DELETE SET NULL or similar behavior.
* D is incorrect because both primary and foreign key constraints can be defined at both levels.
* F is incorrect as the names of the foreign key columns do not need to match the primary key column names.
* G is incorrect as a table can have multiple foreign keys.

NEW QUESTION # 123
......

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