Practice 1z0-071 Mock - 1z0-071 Exam Sample

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Oracle 1z1-071: Oracle Database SQL exam is a certification test designed for professionals who specialize in SQL database management. 1z0-071 exam is a crucial step towards acquiring essential skills necessary to properly manage Oracle databases. Oracle 1z1-071, also known as Oracle Database SQL certification, is highly sought after by employers as it qualifies an individual to develop, manage, and maintain the Oracle database, utilizing advanced SQL features.

Oracle 1z0-071 is an exam that tests the knowledge of candidates in SQL and its applications in the Oracle Database. 1z0-071 exam is designed by Oracle, which is one of the leading technology companies in the world. The Oracle 1z0-071 exam is intended for individuals who want to become proficient in SQL programming, particularly in the context of the Oracle Database environment.

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Oracle 1z0-071 exam is a computer-based exam that consists of 73 multiple-choice questions. 1z0-071 exam has a time limit of 105 minutes, and candidates must attain a score of 63% or higher to pass. 1z0-071 Exam Fee is $245, and it is available in several languages including English, Japanese, and Chinese.

Oracle Database SQL Sample Questions (Q269-Q274):

NEW QUESTION # 269
The first DROPoperation is performed on PRODUCTStable using this command:
DROP TABLE products PURGE;
Then a FLASHBACKoperation is performed using this command:
FLASHBACK TABLE products TO BEFORE DROP;
Which is true about the result of the FLASHBACKcommand?

A. It is not possible to recover the table structure, data, or the related indexes.
B. It recovers only the table structure.
C. It recovers the table structure and data but not the related indexes.
D. It recovers the table structure, data, and the indexes.

Answer: A

Explanation:
Explanation/Reference:
References:
https://docs.oracle.com/cd/B19306_01/server.102/b14200/statements_9003.htm

NEW QUESTION # 270
Which three statements are true about Structured Query Language (SQL)? (Choose three.)

A. It requires that data be contained in hierarchical data storage.
B. It is used to define encapsulation and polymorphism for a relational table.
C. It provides independence for logical data structures being manipulated from the underlying physical data storage.
D. It best supports relational databases.
E. It guarantees atomicity, consistency, isolation, and durability (ACID) features.
F. It is the only language that can be used for both relational and object-oriented databases.

Answer: A,C,E

Explanation:
Explanation/Reference: https://docs.microsoft.com/en-us/sql/relational-databases/hierarchical-data-sql-server?view=sql- server-2017

NEW QUESTION # 271
Which statement is true about an inner join specified in a query's WHEREclause?

A. It must have primary-key and foreign-key constraints defined on the join columns.
B. It only applies for equijoin conditions.
C. It applies for equijoin and nonequijoin conditions.
D. It requires column names to be the same in all tables being joined.

Answer: C

Explanation:
Explanation/Reference:

NEW QUESTION # 272
Which two statements are true about the rules of precedence for operators? (Choose two.)

A. The + binary operator has the highest precedence in an expression in a SQL statement
B. NULLS influence the precedence of operators in an expression
C. The concatenation operator | | is always evaluated before addition and subtraction in an expression
D. Multiple parentheses can be used to override the default precedence of operators in an expression
E. Arithmetic operators with equal precedence area evaluated from left to right within an expression

Answer: D,E

NEW QUESTION # 273
Which three statements are true regarding group functions? (Choose three.)

A. They can be used only on one column in the SELECT clause.
B. They can be used together with the single-row functions in the SELECT clause.
C. They can be used with a SQL statement that has a GROUP BY clause.
D. They can be passed as an argument to another group function.
E. They can be used on columns or expressions.

Answer: B,D,E

Explanation:
Explanation
https://www.safaribooksonline.com/library/view/mastering-oracle-sql/0596006322/ch04.html

NEW QUESTION # 274
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