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Oracle 1z0-071 Exam Overview:

Certification Vendor:	Oracle
Exam Name:	Oracle Database SQL
Exam Number:	1z0-071
Passing Score:	63%
Certificate Validity Period:	No expiration for this exam/certification
Available Languages:	Portuguese, English, Japanese, Korean, Simplified Chinese
Real Exam Qty:	70
Related Certifications:	Oracle Database SQL Certified Associate Oracle Database Administrator Certified Associate (DBA)
Exam Format:	Multiple Choice
Exam Duration:	120 minutes
Exam Price:	$245 USD
Sample Questions:	Oracle 1z0-071 Sample Questions
Exam Way:	Pearson VUE testing center (online proctored option available)
Pre Condition:	No formal prerequisites required, but basic knowledge of relational database concepts is recommended
Official Syllabus URL:	https://education.oracle.com/oracle-database-sql-exam

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Oracle 1z1-071 certification exam is a computer-based exam that consists of 73 multiple-choice questions. You will have 105 minutes to complete the exam, and you need to score at least 63% to pass. 1z0-071 exam is available in several languages, including English, Japanese, Chinese, and Korean. To prepare for the exam, Oracle offers training courses, study guides, and practice exams. Passing 1z0-071 Exam will not only validate your skills and knowledge in SQL database administration but also open up new career opportunities in the IT industry.

Oracle Database SQL Sample Questions (Q192-Q197):

NEW QUESTION # 192
The PROD_ID column is the foreign key in the SALES table.Which references the PRODUCTS table.
Similarly,the CUST_ID and TIME_ID columns are Also foreign keys in the SALES table referencing the CUSTOMERS and TIMES tables, respectively.
Evaluate the following CREATE TABLE command:
CREATE TABLE new_sales(prod_id, I cust_id, order_date DEFAULT SYSDATE)
AS SELECT I prod_id,cust_id,time_id FROM sales.
Which statement is true regarding the above command?

A. The NEW_SALES table would get created and all the FOREIGN KEY constraints defined on the specified columns would be passed to the new table
B. The NEW_SALES table would not get created because the column names in the CREATE TABLE command and the SELECT clause I do not match.
C. The NEW_SALES table would get created and all the NOT NULL constraints defined on the specified columns would be passed to the new table.
D. The NEW_SALES table would not get created because the DEFAULT value cannot be specified in the column definition.

Answer: B

Explanation:
The statement true regarding the CREATE TABLE command:
C . The NEW_SALES table would not get created because the column names in the CREATE TABLE command and the SELECT clause do not match: The SQL command tries to create a table with columns prod_id, cust_id, and order_date, but the SELECT statement specifies columns prod_id, cust_id, and time_id. The mismatch in column names and the number of columns specified will prevent the table from being created.
Incorrect options:
A: It is possible to specify a DEFAULT value in the column definition when creating a table with the CREATE TABLE AS SELECT syntax.
B: Not all NOT NULL constraints (or any other constraints, for that matter) are automatically passed to the new table unless explicitly stated in the CREATE TABLE statement.
D: FOREIGN KEY constraints are not automatically included when creating a table using the CREATE TABLE AS SELECT syntax; they would need to be added explicitly afterwards.

NEW QUESTION # 193
Which two statements are true about * _ TABLES views?

A. You must have SELECT privileges on a table to view it in ALL _TABLES.
B. All users can query DBA TABLES successfully.
C. You must have SELECT privileges on a table to view it in USER TABLES.
D. USER_ TABLES displays all tables owned by the current user.
E. You must have SELECT privileges on a table to view it in DBA TABLES.
F. ALL TABLES displays all tables owned by the current user.

Answer: A,D

NEW QUESTION # 194
The first DROP operation is performed on PRODUCTS table using this command:
DROP TABLE products PURGE;
Then a FLASHBACK operation is performed using this command:
FLASHBACK TABLE products TO BEFORE DROP;
Which is true about the result of the FLASHBACK command?

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

Answer: B

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

NEW QUESTION # 195
which is true about the round,truncate and mod functions>?

A. ROUND(MOD(25,3),-1) IS INVALID
B. ROUND(MOD(25,3),-1) AND TRUNC(MOD(25,3),-1) ARE BOTH VALID AND GIVE THE DIFFERENT RESULTS.
C. TRUNC(MOD(25,3),-1) IS INVALID.
D. ROUND(MOD(25,3),-1) AND TRUNC(MOD(25,3),-1) ARE BOTH VALID AND GIVE THE SAME RESULT.

Answer: B

Explanation:
Both ROUND and TRUNC functions can be applied to numbers, and MOD is a function that returns the remainder of a division. The ROUND function rounds a number to a specified number of decimal places, which can be positive, zero, or negative. The TRUNC function truncates a number to a specified number of decimal places.
ROUND(MOD(25,3),-1) rounds the result of MOD(25,3), which is 1, to tens place, which results in 0.
TRUNC(MOD(25,3),-1) truncates the result of MOD(25,3), which is 1, to tens place, which also results in 0.
Both are valid, but in this specific case, they give the same result because the remainder (1) when rounded or truncated to tens place (-1) will be 0.

NEW QUESTION # 196
Which three statements are true about performing Data Manipulation Language (DML) operations on a view In an Oracle Database?

A. Insert statements can always be done on a table through a view.
B. Views cannot be used to add or modify rows in an underlying table if the defining query of the view contains the DISTINCT keyword.
C. Views cannot be used to query rows from an underlying table if the table has a PRIPOARY KEY and the PRIMARY KEY columns are not referenced in the defining query of the view.
D. The WITH CHECK clause has no effect when deleting rows from the underlying table through the view.
E. Views cannot be used to add rows to an underlying table if the table has columns with NOT NULL constraints lacking default values which are not referenced in the defining query of the view.
F. Views cannot be used to add on modify rows in an underlying table if the defining query of the view contains aggregating functions.

Answer: B,E,F

Explanation:
When performing DML operations on a view, certain restrictions apply:
* D. Views cannot be used to add or modify rows in an underlying table if the defining query of the view contains the DISTINCT keyword: If the defining query of a view contains the DISTINCT keyword, it cannot be used for certain DML operations, such as INSERT and UPDATE, because the set of rows it represents is not directly modifiable.
* E. Views cannot be used to add or modify rows in an underlying table if the defining query of the
* view contains aggregating functions: Aggregating functions create a result that summarises multiple rows and cannot be reversed to point to a single row for modification.
* F. Views cannot be used to add rows to an underlying table if the table has columns with NOT NULL constraints lacking default values which are not referenced in the defining query of the view: If a column with a NOT NULL constraint is not included in the view's defining query, and it does not have a default value, it is not possible to insert through the view because it would violate the NOT NULL constraint.
References:
* Oracle Database SQL Language Reference 12c, particularly the sections on views and the restrictions on DML operations through views.

NEW QUESTION # 197
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