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Oracle 1z1-071 exam is a computer-based test that consists of 73 multiple-choice questions. Candidates have 105 minutes to complete the exam. 1z1-071 exam is available in several languages, including English, Japanese, and Simplified Chinese. Candidates can take the exam at any authorized testing center or online.
ORACLE 1Z0-071 Exam Certification Path
To be qualified to take the ORACLE 1Z0-071 exam, you must meet the following requirements and prerequisites:
Oracle 1Z0-071 Dumps recommends that you should have at least one year of qualification or experience in the IT industry. If you do not have one year of experience, ORACLEs prerequisites are:
- A prerequisite for Oracle 1Z0-071 is to have an understanding of the following concepts, which are listed below. The concepts are the foundation on which the Oracle Certification exam will be based. You should understand DML (data manipulation language).
- Furthermore, you must complete 15 hours of college graduate coursework* in computer science, information systems management, or information technology coming from a regionally accredited institution.
- You must have completed 60 undergraduate credits in Computer Science, Information Systems Management, Information Tech, or related discipline.
- You must have scored 600 on the Computer Science Aptitude Test (CSAT) or 700 on the Graduate Management Admissions Test (GMAT).
The fundamental tenet of Oracle Database Administration is that before you can administer a database, you must know how to create one. This chapter covers the creation of database objects in general and goes into detail on creating tables, views managing, indexes, sequences, and triggers. It also discusses how to use PL/SQL code inside SQL statements to create object definitions or assignments without having to resort to interactively coding them inside SQL*Plus or through direct DDL statements with CREATE statements.
NEW QUESTION # 85
Evaluate this ALTER TABLE statement: (Choose the best answer.)
ALTER TABLE orders
SET UNUSED (order_date);
Which statement is true?
- A. ROLLBACK can be used to restore the ORDER_DATE column.
- B. The ORDER_DATE column must be empty for the ALTER TABLE command to execute successfully.
- C. The DESCRIBE command would still display the ORDER_DATE column.
- D. After executing the ALTER TABLE command, a new column called ORDER_DATE can be added to the ORDERS table.
Answer: D
NEW QUESTION # 86
Which two queries only return CUBE?
- A. SELECT shape FROM bricks JOIN boxes ON weight < max_weight;
- B. SELECT shape FROM bricks JOIN boxes ON weight >= min_weight AND weight < max_weight;
- C. SELECT shape FROM bricks JOIN boxes ON weight BETWEEN min_weight AND max_weight;
- D. SELECT shape FROM bricks JOIN boxes ON NOT (weight > max_weight);
- E. SELECT shape FROM bricks JOIN boxes ON weight > min_weight;
Answer: B,C
NEW QUESTION # 87
View the Exhibit and examine the description of the ORDERS table. (Choose two.) Which two WHERE clause conditions demonstrate the correct usage of conversion functions?
- A. WHERE Order_date > ( TO_DATE('JUL 10 2006', 'MON DD YYYY')
- B. WHERE Order_date_IN ( TO_DATE('OCT 21 2003', 'MON DD YYYY'), TO_CHAR('NOV
21 2003', 'MON DD YYYY') ) - C. WHERE TO_CHAR(Order_date, 'MON DD YYYY') = 'JAN 20 2003'
- D. WHERE Order_date > TO_CHAR(ADD_MONTHS(SYSDATE, 6), 'MON DD YYYY')
Answer: A,C
NEW QUESTION # 88
Which two statements are true regarding the COUNT function? (Choose two.)
- A. A SELECT statement using COUNT function with a DISTINCT keyword cannot have a WHERE clause
- B. COUNT(*) returns the number of rows including duplicate rows and rows containing NULL value in any of the columns
- C. COUNT(DISTINCT inv_amt) returns the number of rows excluding rows containing duplicates and NULL values in the INV_AMT column
- D. The COUNT function can be used only for CHAR, VARCHAR2 and NUMBER data types
- E. COUNT(cust_id) returns the number of rows including rows with duplicate customer IDs and NULL value in the CUST_ID column
Answer: B,C
NEW QUESTION # 89
Which two statements are true about dropping views? (Choose two.)
- A. The creator of a view to be dropped must have the DROP ANY VIEW privilege.
- B. Read only views cannot be dropped.
- C. Views referencing a dropped view become invalid.
- D. Data selected by a view's defining query is deleted from its underlying tables when the view is dropped.
- E. CASCADE CONSTRAINTS must be specified when referential integrity constraints on other objects refer to primary or unique keys in the view to be dropped.
Answer: A,E
Explanation:
The view must be in your own schema or you must have the DROP ANY VIEW system privilege.
Specify CASCADE CONSTRAINTS to drop all referential integrity constraints that refer to primary and unique keys in the view to be dropped.
https://docs.oracle.com/cd/B12037_01/server.101/b10759/statements_9009.htm
NEW QUESTION # 90
Which three statements are true about GLOBAL TEMPORARY TABLES?
- A. A GLOBAL TEMPORARY TABLE can have only one index.
- B. Data Manipulation Language (DML) on GLOBAL TEMPORARY TABLES generates no REDO.
- C. A trigger can be created on a GLOBAL TEMPORARY TABLE
- D. A GLOBAL TEMPORARY TABLE can be referenced in the defining query of a view.
- E. A GLOBAL TEMPORARY TABLE can have multiple indexes
- F. A GLOBAL TEMPORARY TABLE cannot have PUBLIC SYNONYM.
Answer: C,D,E
NEW QUESTION # 91
Which three statements are true about single-row functions? (Choose three.)
- A. They can be used only in the WHERE clause of a SELECT statement
- B. They can be nested to any level
- C. The argument can be a column name, variable, literal or an expression
- D. They can accept only one argument
- E. They return a single result row per table
- F. The data type returned can be different from the data type of the argument
Answer: B,C,F
Explanation:
https://www.folkstalk.com/2012/01/oracle-single-row-functions-examples.html
NEW QUESTION # 92
Examine the description of the SALES1 table:
SALES2 is a table with the same description as SALES1.
Some sales data is duplicated in both tables.
You want to display the rows from the SALES1 table which are not present in the SALES2 table.
Which set operator generates the required output?
- A. MINUS
- B. SUBTRACT
- C. UNION
- D. UNION ALL
- E. INTERSECT
Answer: A
NEW QUESTION # 93
Which two statements are true regarding multiple-row subqueries? (Choose two.)
- A. They can contain group functions.
- B. They use the < ALL operator to imply less than the maximum.
- C. They should not be used with the NOT IN operator in the main query if NULL is likely to be a part of the result of the subquery.
- D. They can be used to retrieve multiple rows from a single table only.
- E. They always contain a subquery within a subquery.
Answer: A,C
NEW QUESTION # 94
Which two queries return the string Hello! we're ready?
- A. SELECT q'! Hello! We're ready! 'FROM DUAL;
- B. SELECT 'Hello! We're ready' FROM DUAL;
- C. SELECT 'Hello! we\ re ready' ESCAPE'N'FROMDUAL:
- D. SELECT q'[Hello! We're ready]'FROM DUAL;
- E. SELECT "Hello! We're ready "FROM |DUAL;
Answer: A,D
Explanation:
In Oracle SQL, the q quote operator can be used to define string literals that contain single quotes or other special characters without needing to escape them. The queries using the q quote mechanism, like in options A and C, will successfully return the string as it is, including single quotes within the string.
* A: Correct, it uses the q quote operator with the exclamation mark ! as the delimiter, which allows the string to contain single quotes.
* B: Incorrect, double quotes " in Oracle SQL are used for identifiers such as column names, not string literals.
* C: Correct, this also uses the q quote operator, with the square brackets [] as the delimiters.
* D: Incorrect, the backslash \ is not used as an escape character in Oracle SQL string literals, and the ESCAPE keyword is used incorrectly here.
* E: Incorrect, this does not account for the single quote within the string, which would terminate the string literal prematurely, and it lacks the q quote operator or proper escape mechanism.
NEW QUESTION # 95
View the exhibit and examine the description of the EMPLOYEES table. (Choose two.)
You executed this SQL statement:
SELECT first_name, department_id, salary
FROM employees
ORDER BY department_id, first_name, salary desc;
Which two statements are true regarding the result? (Choose two.)
- A. The values in the FIRST_NAME column would be returned in ascending order for all employees having the same value in the DEPARTMENT_ID column.
- B. The values in the FIRST_NAME column would be returned in descending order for all employees having the same value in the DEPARTMENT_ID column.
- C. The values in the SALARY column would be returned in descending order for all employees having the same value in the DEPARTMENT_ID and FIRST_NAME column.
- D. The values in the SALARY column would be returned in descending order for all employees having the same value in the DEPARTMENT_ID column.
- E. The values in all columns would be returned in descending order.
Answer: A,C
NEW QUESTION # 96
You execute these commands:
CREATE TABLE customers (customer_id INTEGER, customer_name VARCHAR2 (20) ) TNSERT INTO customers VALUES (1, 'Customer 1 ' ) ; SAVEPOTNT post_insert; INSERT INTO customers VALUES (2, 'Customer 2');
<TODO>
SELECT COUNT(*) FROM customers;
Which two, used independently, can replace <todo> so the query returns 1?
- A. COMMIT TO SAVEPOINT post_insert;
- B. ROLLBACK TO post_insert;
- C. ROLLBACK TO SAVEPOINT post_insert;
- D. commit;
- E. ROLLBACK,"
Answer: B,C
NEW QUESTION # 97
Evaluate the following ALTER TABLE statement:
ALTER TABLE orders
SET UNUSED (order_date);
Which statement is true?
- A. ROLLBACK can be used to restore the ORDER_DATE column.
- B. The ORDER_DATE column must be empty for the ALTER TABLE command to execute successfully.
- C. The DESCRIBE command would still display the ORDER_DATE column.
- D. After executing the ALTER TABLE command, a new column called ORDER_DATE can be added to the ORDERS table.
Answer: D
NEW QUESTION # 98
Which three statements are true?
- A. The DNAME column has a unique constraint.
- B. The DEPTNO column in the EMP table can contain the value 1.
- C. The SALARY column must have a value .
- D. The COMMISSION column can contain negative values .
- E. An index is created automatically in the MANAGER column.
- F. The MANAGER column is a foreign key referencing the EMPNO column.
- G. The DEPTNO column in the EMP table can contain NULLS .
Answer: C,D,G
NEW QUESTION # 99
The PRODUCT_INFORMATION table has a UNIT_PRICE column of data type NUMBER(8, 2).
Evaluate this SQL statement:
SELECT TO_CHAR(unit_price,'$9,999') FROM PRODUCT_INFORMATION;
Which two statements are true about the output?
- A. A row whose UNIT_PRICE column contains the value 10235.99 will be displayed as $1,023.
- B. A row whose UNIT_PRICE column contains the value 1023.99 will be displayed as $1,023.
- C. A row whose UNIT_PRICE column contains the value 1023.99 will be displayed as $1,024.
- D. A row whose UNIT_PRICE column contains the value 10235.99 will be displayed as #####
- E. A row whose UNIT_PRICE column contains the value 10235.99 will be displayed as $1,0236.
Answer: C,D
NEW QUESTION # 100
......
The Oracle 1z1-071 exam comprises 73 multiple-choice questions and is timed for 105 minutes. 1z1-071 exam is divided into six sections, each with its set of questions. The first section tests the candidates' knowledge of SQL SELECT statements, including the use of basic functions, expressions, and clauses. The second section tests the candidates' knowledge of SQL DML statements, including the use of INSERT, UPDATE, DELETE, and MERGE statements. The third section tests the candidates' knowledge of SQL Joins, including inner, outer, and self-joins.
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