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What is the importance of preparation-evaluation before the final certification Oracle 1z0-071 exam?

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Oracle is one of the most powerful and rapidly growing fields nowadays. Everyone is trying to get the Oracle 1z0-071 certification to improve their futures with it. Success in the test plays an important role in the up gradation of your CV and getting a good job or working online to achieve your dreams. The students are making up their minds for the Oracle 1z0-071 test but they are mostly confused about where to prepare for it successfully on the first try.

Oracle 1z0-071 Exam is designed to test the knowledge of SQL developers, database administrators, and database designers. It is one of the most popular exams offered by Oracle, and passing 1z0-071 exam is a milestone for those who want to become Oracle Certified Professionals. 1z0-071 Exam is designed to test the candidates' knowledge of SQL, including data retrieval, data manipulation, subqueries, joins, and data definition language.

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Oracle 1z0-071 is an essential certification for individuals who want to become proficient in SQL programming in the context of the Oracle Database environment. 1z0-071 exam covers a wide range of topics, and passing the exam demonstrates the candidate's knowledge and skills in SQL programming. Oracle Database SQL certification is recognized globally and provides an opportunity for individuals to advance their careers in the field of database management.

Oracle 1z1-071 exam is a computer-based exam that consists of 73 multiple-choice questions. Candidates have two hours to complete the exam and must achieve a passing score of 63% or higher to earn the certification. 1z0-071 Exam can be taken at any Oracle testing center or through Pearson VUE testing centers worldwide.

Oracle Database SQL Sample Questions (Q201-Q206):

NEW QUESTION # 201
Evaluate the following statement: INSERT ALL WHEN order_total < 10000 THEN INTO small_orders WHEN order_total > 10000 AND order_total < 20000 THEN INTO medium_orders WHEN order_total > 2000000 THEN INTO large_orders SELECT order_id, order_total, customer_id FROM orders;
Which statement is true regarding the evaluation of rows returned by the subquery in the INSERT statement?

A. They are evaluated by all the three WHEN clauses regardless of the results of the evaluation of any other WHEN clause.
B. They are evaluated by the first WHEN clause. If the condition is false, then the row would be evaluated by the subsequent WHEN clauses.
C. They are evaluated by the first WHEN clause. If the condition is true, then the row would be evaluated by the subsequent WHEN clauses.
D. The INSERT statement would give an error because the ELSE clause is not present for support in case none of the WHEN clauses are true.

Answer: A

NEW QUESTION # 202
Which statement is true about the Oracle SQL, DELETE and TRUNCATE statements?

A. DELETE but not TRUNCATE statement can be used to selectively remove rows from a table.
B. DELTE and TRUNCATE statements can have a rollback done to restore data into a table.
C. DELETE but not TRUNCATE statement can be used to remove data from selective columns and rows of a table.
D. DELETE and TRUNCATE statements remove all indexes for the tables on which they are performed.

Answer: A

NEW QUESTION # 203
Examine the following query:

What is the output of this query?

A. It results in an error because the ORDER BY clause should be the last clause.
B. It displays the first 5 percent of the rows from the SALES table.
C. It displays 5 percent of the products with the lowest amount sold.
D. It displays 5 percent of the products with the highest amount sold.

Answer: C

NEW QUESTION # 204
Examine this business rule:
Each student can work on multiple projects and each project can have multiple students.
You must design an Entity Relationship(ER) model for optimal data storage and allow for generating reports in this format:

Which two statements are true?

A. PROJECT_ID must be the primary key in the PROJECTS entity and foreign key in the STUDENTS entity.
B. An associative table must be created with a composite key of STUDENT_ID and PROJRCT_ID, which is the foreign key linked to the STUDENTS and PROJECTS entities.
C. The ER must have a many to-many relationship between the STUDENTS and PROJECTS entities that must be resolved into 1-to-many relationships.
D. The ER must have a 1-to-many relationship between the STUDENTS and PROJECTS entities.
E. STUDENT ID must be the primary key in the STUDENTS entity and foreign key in the PROJECTS entity.

Answer: B,C

Explanation:
Based on the business rule, the true statements regarding the Entity Relationship (ER) model are:
* A. An associative table must be created with a composite key of STUDENT_ID and PROJECT_ID, which is the foreign key linked to the STUDENTS and PROJECTS entities. This is true because, in a many-to-many relationship, an associative (junction) table is used to maintain the associations between two entities.
* D. The ER must have a many-to-many relationship between the STUDENTS and PROJECTS entities that must be resolved into 1-to-many relationships. This is correct because many-to-many relationships are resolved by introducing an associative table that breaks it down into two 1-to-many relationships.
Options B, C, and E are incorrect:
* B is incorrect because PROJECT_ID should not be a foreign key in the STUDENTS entity in a many-to-many relationship.
* C is incorrect as the rule indicates a many-to-many relationship, not 1-to-many.
* E is incorrect because STUDENT_ID should not be a foreign key in the PROJECTS entity in a many-to-many relationship.

NEW QUESTION # 205
Which three are true about subqueries?

A. A subquery cannot be used in the select list.
B. A subquery cannot be used in a from clause.
C. < any returns true If the argument Is less than the lowest value returned by the subquery.
D. = ANY can only evaluate the argument against a subquery If it returns two or more values.
E. A subquery can be used in a having clause.
F. A subquery can be used in a WHERE clause.
G. < ANY returns true If the argument is less than the highest value returned by the subquery.

Answer: E,F,G

NEW QUESTION # 206
......

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