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The Oracle 1z0-071 exam consists of 73 multiple-choice questions, and candidates have 100 minutes to complete the exam. 1z0-071 exam covers a wide range of topics, including SQL SELECT statements, subqueries, joins, data manipulation language (DML), data definition language (DDL), data control language (DCL), and data administration. 1z0-071 exam is suitable for individuals who are new to SQL and Oracle Database, as well as those who have some experience and want to advance their skills and knowledge. Successful candidates will earn the Oracle Database SQL Certified Associate certification, which is recognized worldwide and can help candidates stand out from their competition in the job market.

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Topics of ORACLE 1z0-071 Certification Exam

Oracle 1z0-071 Dumps covers the following topics of the ORACLE 1z0-071 exam.

Data Integrity and Recovery
SQL Performance Tuning
SQL Language Features
Oracle Database Concepts

Oracle Database SQL Sample Questions (Q307-Q312):

NEW QUESTION # 307
Which three statements are true about a self join?

A. The query must use two different aliases for the table.
B. It must be an equijoin.
C. The on clause must be used.
D. It can be an outer join.
E. It must be an inner join.
F. The on clause can be used.

Answer: A,D,F

Explanation:
C). True, when performing a self join, aliases are used to differentiate the same table in different contexts within the same query. This helps in comparing different rows within the same table as if they were in two separate tables.D. True, the ON clause can be used in self joins to specify the conditions on which the join is based. This is a standard method for specifying join conditions in SQL.F. True, a self join can be an outer join, allowing for the inclusion of rows that do not have a matching row in the same table according to the join condition. This enhances the flexibility of data analysis and reporting.
References:
* Oracle documentation on joins: Oracle Database SQL Language Reference
* Details on self joins and outer joins: Oracle Joins Tutorial

NEW QUESTION # 308
Examine the description of the ORDER_ITEMS table:

Examine this incomplete query:
SELECT DISTINCT quantity * unit_price total_paid FROM order_items ORDER BY <clause>; Which two can replace <clause> so the query completes successfully?

A. quantity, unit_price
B. product_id
C. quantity * unit_price
D. quantity
E. total_paid

Answer: C,E

NEW QUESTION # 309
Which four statements are true regarding primary and foreign key constraints and the effect they can have on table data? (Choose four.)

A. A table can have only one primary key but multiple foreign keys
B. The foreign key columns and parent table primary key columns must have the same names
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. 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
E. Primary key and foreign key constraints can be defined at both the column and table level
F. Only the primary key can be defined at the column and table level
G. A table can have only one primary key and one foreign key

Answer: A,B,C,E

NEW QUESTION # 310
Examine the structure proposed for the TRANSACTIONS table:

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

A. The TRANS_VALIDITY column would have a maximum size of one character.
B. The CUST_STATUS column would give an error.
C. The CUST_CREDIT_LIMIT column would be able to store decimal values.
D. The CUST_STATUS column would store exactly one character.
E. The TRANS_VALIDITY column would give an error.
F. The TRANS_DATE column would be able to store day, month, century, year, hour, minutes, seconds, and fractions of seconds.

Answer: D,E

NEW QUESTION # 311
Examine the commands used to create DEPARTMENT_DETAILSand COURSE_DETAILS tables:

You want to generate a list of all department IDs along with any course IDs that may have been assigned to them.
Which SQL statement must you use?

A. SELECT d.department_id, c.course_id FROM department_details d LEFT OUTER JOIN course_details c ON (d.department_id=c. department_id);
B. SELECT d.department_id, c.course_id FROM department_details d RIGHT OUTER JOIN course_details c ON (d.department_id=c. department_id);
C. SELECT d.department_id, c.course_id FROM department_details d RIGHT OUTER JOIN course_details c ON (c.department_id=d. department_id);
D. SELECT d.department_id, c.course_id FROM course_details c LEFT OUTER JOIN department_details d ON (c.department_id=d. department_id);

Answer: A

NEW QUESTION # 312
......

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