Updated Mar 09, 2022 Verified 1z0-071 dumps Q&As - 100% Pass
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ORACLE 1Z0-071 Exam Certification Path
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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).
- You must have scored 600 on the Computer Science Aptitude Test (CSAT) or 700 on the Graduate Management Admissions Test (GMAT).
- 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.
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 126
View the exhibit and examine the description of the DEPARTMENTSand EMPLOYEEStables.
You wrote this SQL statement to retrieve EMPLOYEE_ID, FIRST_NAME, and DEPARTMENT NAME, for all employees:
SELECT employee_id, first_name, department_name
FROM employees
NATURAL JOIN departments;
The desired output is not obtained after executing the above SQL statement. What could be the reason for this?
- A. The table prefix is missing for the column names in the SELECTclause.
- B. The EMPLOYEESand DEPARTMENTStables have more than one column with the same column name and data type.
- C. The NATURAL JOINclause is missing the USINGclause.
- D. The DEPARTMENTStable is not used before the EMPLOYEEStable in the FROMclause.
Answer: B
Explanation:
Explanation/Reference:
Explanation:
Natural join needs only one column to be the same in each table. The EMPLOYEESand DEPARTMENTS tables have two columns that are the same (Department_ID and Manager_ID)
NEW QUESTION 127
View the Exhibit and examine the structure of the CUSTOMERStable.
CUSTOMER_VUis a view based on CUSTOMERS_BR1 table which has the same structure as CUSTOMERStable.
CUSTOMERSneed to be updated to reflect the latest information about the customers.
What is the error in the following MERGEstatement?
- A. CUSTOMER_VUcannot be used as a data source.
- B. The INTOclause is misplaced in the command.
- C. The WHEREclause cannot be used with INSERT.
- D. The CUSTOMER_IDcolumn cannot be updated.
Answer: D
Explanation:
Explanation/Reference:
NEW QUESTION 128
Examine the description of the EMPLOYEES table:
Which two queries return the highest salary in the table?
- A. SELECT MAX (salary)
FROM employees
GROUP BY department_id; - B. SELECT MAX (salary)
FROM employees; - C. SELECT MAX (MAX (salary))
FROM employees
GROUP BY department_id; - D. SELECT MAX (salary)
FROM employees
GROUP BY department_id
HAVING MAX (salary) = MAX (MAX (salary)); - E. SELECT department_id, MAX(salary)
FROM employees
GROUP BY department_id;
Answer: B,C
NEW QUESTION 129
View the Exhibit and examine the data in the PRODUCTS table. (Choose the best answer.)
You must display product names from the PRODUCTS table that belong to the 'Software/other' category with minimum prices as either $2000 or $4000 and with no unit of measure.
You issue this query:
SQL > SELECT prod_name, prod_category, prod_min_price FROM products
Where prod_category LIKE '%Other%' AND (prod_min_price = 2000 OR prod_min_price = 4000) AND prod_unit_of_measure <> ' '; Which statement is true?
- A. It generates an error because the condition specified for the PROD_CATEGORY column is not valid.
- B. It generates an error because the condition specified for PROD_UNIT_OF_MEASURE is not valid.
- C. It executes successfully but returns no result.
- D. It executes successfully and returns the required result.
Answer: C
NEW QUESTION 130
Examine the description of the BOOKS_TRANSACTIONStable:
Examine this partial SQL statement:
SELECT * FROM books_transactions
Which two WHEREconditions give the same result? (Choose two.)
WHERE borrowed_date = SYSDATE AND (transaction_type = 'RM' OR member_id IN
- A. ('A101', 'A102');
WHERE borrowed_date = SYSDATE AND (transaction_type = 'RM' AND member_id - B. 'A101' OR member_id = 'A102');
- C. ('A101', 'A102');
WHERE borrowed_date = SYSDATE AND (transaction_type = 'RM' AND (member_id - D. A101' OR member_id = 'A102'));
WHERE borrowed_date = SYSDATE AND transaction_type = 'RM' OR member_id IN - E. ('A101', 'A102'));
WHERE (borrowed_date = SYSDATE AND transaction_type = 'RM') OR member_id IN
Answer: A,C
NEW QUESTION 131
View the Exhibit and examine the structure of ORDERSand ORDER_ITEMStables.
ORDER_IDis the primary key in the ORDERStable. It is also the foreign key in the ORDER_ITEMStable wherein it is created with the ON DELETE CASCADEoption.
Which DELETEstatement would execute successfully?
- A. DELETE orders o, order_items i
WHERE o.order_id = i.order_id; - B. DELETE
FROM orders
WHERE (SELECT order_id
FROM order_items); - C. DELETE orders
WHERE order_total < 1000; - D. DELETE order_id
FROM orders
WHERE order_total < 1000;
Answer: C
NEW QUESTION 132
Evaluate the following statement.
Which statement is true regarding the evaluation of rows returned by the subquery in the INSERT statement?
- A. They are evaluated by the first WHEN clause. If the condition is true, then the row would be evaluated by the subsequent WHEN clauses.
- 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. The insert statement would give an error because the ELSE clause is not present for support in case none of WHEN clauses are true.
- D. They are evaluated by all the three WHEN clauses regardless of the results of the evaluation of any other WHEN clause.
Answer: D
Explanation:
Explanation
http://psoug.org/definition/WHEN.htm
NEW QUESTION 133
Which two statements are true about selecting related rows from two tables based on entity relationship diagram (ERD)?
- A. An inner join relates rows within the same table.
- B. Implementing a relationship between two tables might require joining additional tables.
- C. Relating data from a table with data from the same table is implemented with a self join.
- D. Every relationship between the two tables must be implemented in a Join condition.
- E. Rows from unrelated tables cannot be joined.
Answer: B,C
NEW QUESTION 134
The EMPLOYEES table contains columns EMP_IDof data type NUMBERand HIRE_DATEof data type DATE.
You want to display the date of the first Monday after the completion of six months since hiring.
The NLS_TERRITORYparameter is set to AMERICAin the session and, therefore, Sunday is the first day of the week.
Which query can be used?
- A. SELECT emp_id, NEXT_DAY(ADD_MONTHS(hire_date, 6), 1) FROM employees;
- B. SELECT emp_id, ADD_MONTHS(hire_date, 6), NEXT_DAY('MONDAY') FROM employees;
- C. SELECT emp_id, NEXT_DAY (MONTHS_BETWEEN (hire_date, SYSDATE), 6) FROM
- D. employees;
SELECT emp_id, NEXT_DAY(ADD_MONTHS(hire_date, 6), 'MONDAY') FROM employees;
Answer: D
Explanation:
Explanation/Reference: http://www.dba-oracle.com/t_add_months.htm
NEW QUESTION 135
Which two statements are true regarding a SAVEPOINT? (Choose two.)
- A. Rolling back to a SAVEPOINTcan undo a CREATE INDEX statement
- B. Rolling back to a SAVEPOINT can undo a TRUNCATEstatement
- C. Rolling back to a SAVEPOINTcan undo a DELETEstatement
- D. A SAVEPOINTdoes not issue a COMMIT
- E. Only one SAVEPOINTmay be issued in a transaction
Answer: C,D
NEW QUESTION 136
View the Exhibit and examine the structure of the ORDERS table. The ORDER_ID column is the PRIMARY KEY in the ORDERS table.
Evaluate the following CREATE TABLE command:
CREATE TABLE new_orders(ord_id, ord_date DEFAULT SYSDATE, cus_id)
AS
SELECT order_id.order_date,customer_id
FROM orders;
Which statement is true regarding the above command?
- A. The NEW_ODRDERS table would get created and only the NOT NULL constraint defined on the specified columns would be passed to the new table.
- B. The NEW_ODRDERS table would get created and all the constraints defined on the specified columns in the ORDERS table would be passed to the new table.
- C. The NEW_ODRDERS table would not get created because the DEFAULT value cannot be specified in the column definition.
- D. The NEW_ODRDERS table would not get created because the column names in the CREATE TABLE command and the SELECT clause do not match.
Answer: A
NEW QUESTION 137
Which statement is true regarding external tables?
- A. The default REJECT LIMIT for external tables is UNLIMITED.
- B. ORACLE_LOADER and ORACLE_DATAPUMP have exactly the same functionality when used with an external table.
- C. The data and metadata for an external table are stored outside the database.
- D. The CREATE TABLE AS SELECT statement can be used to upload data into regular table in the database from an external table.
Answer: D
Explanation:
References:
https://docs.oracle.com/cd/B28359_01/server.111/b28310/tables013.htm
NEW QUESTION 138
Which two statements are true about the ORDER BY clause when used with a SQL statement containing a SET operator such as UNION?
- A. Each SELECT statement in the compound query can have its own ORDER BY clause.
- B. Column positions must be used in the ORDER BY clause.
- C. Only column names from the first SELECT statement in the compound query are recognized.
- D. The first column in the first SELECT of the compound query with the UNION operator is used by default to sort output in the absence of an ORDER BY clause.
- E. Each SELECT statement in the compound query must have its own ORDER BY clause.
Answer: A,C
NEW QUESTION 139
Examine the description of the PRODUCT_DETAILStable:
Which two statements are true?
- A. EXPIRY_DATEcontains the SYSDATEby default if no date is assigned to it.
- B. PRODUCT_NAMEcannot contain duplicate values.
- C. PRODUCT_PRICEcontains the value zero by default if no value is assigned to it.
- D. PRODUCT_IDcan be assigned the PRIMARY KEYconstraint.
- E. PRODUCT_PRICEcan be used in an arithmetic expression even if it has no value stored in it.
- F. EXPIRY_DATEcannot be used in arithmetic expressions.
Answer: B,F
NEW QUESTION 140
View the Exhibits and examine the structure of the COSTS and PROMOTIONS tables.
You want to display PROD_IDS whose promotion cost is less than the highest cost PROD_ID in a promotion time interval.
Examine this SQL statements:
What will be the result?
Exhibit 1.
Exhibit 2.
- A. It executes successfully and gives the required result
- B. It gives an error because the GROUP BY clause is not valid
- C. It executes successfully but does not give the required result
- D. It gives an error because the ALL keyword is not valid
Answer: A
NEW QUESTION 141
View the Exhibit and examine the structure of the PRODUCT_INFORMATION table.
PRODUCT_ID column is the primary key.
You create an index using this command:
SQL > CREATE INDEX upper_name_idx
ON product_information(UPPER(product_name));
No other indexes exist on the PRODUCT_INFORMATION table.
Which query would use the UPPER_NAME_IDX index? (Choose the best answer.)
- A. SELECT UPPER(product_name)FROM product_information;
- B. SELECT product_idFROM product_informationWHERE UPPER(product_name) IN ('LASERPRO',
'CABLE'); - C. SELECT product_id, UPPER(product_name)FROM product_informationWHERE
UPPER(product_name)='LASERPRO' OR list_price > 1000; - D. SELECT UPPER(product_name)FROM product_informationWHERE product_id = 2254;
Answer: B
NEW QUESTION 142
View the exhibit and examine the structure of ORDERSand CUSTOMERStables.
Which INSERT statement should be used to add a row into the ORDERStable for the customer whose CUST_LAST_NAMEis Robertsand CREDIT_LIMITis 600? Assume there exists only one row with CUST_LAST_NAME as Roberts and CREDIT_LIMIT as 600.
INSERT INTO (SELECT o.order_id, o.order_date, o.order_mode, c.customer_id,
- A. (SELECT customer_id
FROM customers
WHERE cust_last_name='Roberts' AND credit_limit=600), order_total)
VALUES (1,'10-mar-2007', 'direct', &&customer_id, 1000); - B. VALUES (1,'10-mar-2007', 'direct',
(SELECT customer_id
FROM customers
WHERE cust_last_name='Roberts' AND credit_limit=600), 1000);
INSERT INTO orders (order_id, order_date, order_mode, - C. (SELECT customer_id
FROM customers
WHERE cust_last_name='Roberts' AND credit_limit=600), order_total)
VALUES (1,'10-mar-2007', 'direct', &customer_id, 1000);
INSERT INTO orders - D. o.order_total
FROM orders o, customers c
WHERE o.customer_id = c.customer_id AND c.cust_last_name='Roberts' AND
c.credit_limit=600)
VALUES (1,'10-mar-2007', 'direct', (SELECT customer_id
FROM customers
WHERE cust_last_name='Roberts' AND credit_limit=600), 1000);
INSERT INTO orders (order_id, order_date, order_mode,
Answer: B
Explanation:
Explanation/Reference:
NEW QUESTION 143
Examine the data in the CUST_NAME column of the CUSTOMERS table.
CUST_NAME
-------------------
Renske Ladwig
Jason Mallin
Samuel McCain
Allan MCEwen
Irene Mikilineni
Julia Nayer
You need to display customers' second names where the second name starts with "Mc" or
"MC".
Which query gives the required output?
- A. SELECT SUBSTR (cust_name, INSTR (cust_name, ' ')+1)FROM customersWHERE INITCAP (SUBSTR(cust_name, INSTR (cust_name, ' ')+1)) =INITCAP 'MC%';
- B. SELECT SUBSTR (cust_name, INSTR (cust_name, ' ')+1)FROM customersWHERE SUBSTR (cust_name, INSTR (cust_name, ' ')+1)LIKE INITCAP ('MC%');
- C. SELECT SUBSTR (cust_name, INSTR (cust_name, ' ')+1)FROM customersWHERE INITCAP (SUBSTR(cust_name, INSTR (cust_name, ' ')+1))LIKE 'Mc%';
- D. SELECT SUBSTR (cust_name, INSTR (cust_name, ' ')+1)FROM customersWHERE INITCAP (SUBSTR(cust_name, INSTR (cust_name, ' ')+1)) ='Mc';
Answer: C
NEW QUESTION 144
......
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