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Oracle 1z0-071 (Oracle Database SQL) certification exam is a widely recognized certification exam designed for individuals who want to prove their knowledge in SQL and database management. 1z0-071 exam is a one-step certification exam that covers a wide range of topics, including database concepts, SQL syntax, data modeling, and database administration. Oracle Database SQL certification exam is intended for database administrators, developers, and IT professionals who want to demonstrate their expertise in SQL.

Oracle Database SQL Sample Questions (Q316-Q321):

NEW QUESTION # 316
Examine the structure of the SALES table. (Choose two.)

Examine this statement:
SQL > CREATE TABLE sales1 (prod_id, cust_id, quantity_sold, price)
AS
SELECT product_id, customer_id, quantity_sold, price
FROM sales
WHERE 1 = 2;
Which two statements are true about the SALES1 table?

A. It is created with no rows.
B. It will not be created because of the invalid WHERE clause.
C. It will have NOT NULL constraints on the selected columns which had those constraints in the SALES table.
D. It will not be created because the column-specified names in the SELECT and CREATE TABLE clauses do not match.
E. It has PRIMARY KEY and UNIQUE constraints on the selected columns which had those constraints in the SALES table.

Answer: A,C

NEW QUESTION # 317
You must create a SALES table with these column specifications and data types:
SALESID: Number
STOREID: Number
ITEMID: Number
QTY: Number, should be set to 1 when no value is specified
SLSDATE: Date, should be set to current date when no value is specified PAYMENT: Characters up to 30 characters, should be set to CASH when no value is specified Which statement would create the table? (Choose the best answer.)

A. CREATE TABLE sales(salesid NUMBER(4),storeid NUMBER(4),itemid NUMBER(4),qty NUMBER DEFAULT 1,slsdate DATE DEFAULT SYSDATE,payment VARCHAR2(30) DEFAULT 'CASH');
B. CREATE TABLE sales(salesid NUMBER(4),storeid NUMBER(4),itemid NUMBER(4),qty NUMBER DEFAULT = 1,slsdate DATE DEFAULT SYSDATE,payment VARCHAR2(30) DEFAULT =
"CASH");
C. CREATE TABLE sales(salesid NUMBER(4),storeid NUMBER(4),itemid NUMBER(4),qty NUMBER DEFAULT = 1,slsdate DATE DEFAULT SYSDATE,payment VARCHAR2(30) DEFAULT =
"CASH");
D. CREATE TABLE sales(salesid NUMBER(4),storeid NUMBER(4),itemid NUMBER(4),qty NUMBER DEFAULT 1,slsdate DATE DEFAULT 'SYSDATE',payment VARCHAR2(30) DEFAULT CASH);

Answer: A

NEW QUESTION # 318
View the Exhibit and examine the structure in the EMPLOYEES tables.

Evaluate the following SQL statement:
SELECT employee_id, department_id
FROM employees
WHERE department_id= 50 ORDER BY department_id
UNION
SELECT employee_id, department_id
FROM employees
WHERE department_id= 90
UNION
SELECT employee_id, department_id
FROM employees
WHERE department_id= 10;
What would be the outcome of the above SQL statement?

A. The statement would not execute because the positional notation instead of the column name should be used with the ORDER BY clause.
B. The statement would execute successfully but it will ignore the ORDER BY clause and display the rows in random order.
C. The statement would execute successfully and display all the rows in the ascending order of DEPARTMENT_ID.
D. The statement would not execute because the ORDER BY clause should appear only at the end of the SQL statement, that is, in the last SELECT statement.

Answer: D

NEW QUESTION # 319
You issue the following command to drop the PRODUCTS table:
SQL>DROP TABLE products;
What is the implication of this command? (Choose all that apply.)

A. The pending transaction in the session is committed
B. All data along with the table structure is deleted
C. All data in the table are deleted but the table structure will remain
D. All viewsand synonyms will remain but they are invalidated
E. All indexes on the table will remain but they are invalidated

Answer: A,B,D

NEW QUESTION # 320
Examine the description of the PRODUCTS table:

Which three queries use valid expressions?

A. SELECT ptoduct_id, (expiry_date-delivery_date) * 2 FROM products;
B. SPLECT product_id, expiry_date * 2 FROM products;
C. SELECT product_id, (unit_price * 0.15 / (4.75 + 552.25)) FROM products;
D. SELEGT product_id, unit_price, unit_price + surcharge FROM products;
E. SELECT product_id,unit_price || "Discount", unit_price + surcharge-discount FROM products;
F. SELECT produet_id, unit_pricer, 5 "Discount",unit_price+surcharge-discount FROM products;

Answer: A,C,D

Explanation:
B . SELECT product_id, (unit_price * 0.15 / (4.75 + 552.25)) FROM products; C. SELECT product_id, (expiry_date - delivery_date) * 2 FROM products; E. SELECT product_id, unit_price, unit_price + surcharge FROM products; Comprehensive and Detailed Explanation WITH all Reference:
A . This is invalid because "Discount" is a string literal and cannot be used without quotes in an arithmetic operation. Also, there is a typo in unit_pricer, and 'discount' is not a defined column in the table. B. This is valid. It shows a mathematical calculation with unit_price, which is of NUMBER type. Division and multiplication are valid operations on numbers. C. This is valid. The difference between two DATE values results in the number of days between them, and multiplying this value by a number is a valid operation. D. This is invalid because expiry_date is of DATE type and cannot be multiplied by a number. Also, there's a typo: "SPLECT" should be "SELECT". E. This is valid. Both unit_price and surcharge are NUMBER types, and adding them together is a valid operation. F. This is invalid because concatenation operator || is used between a number (unit_price) and a string literal "Discount", which is not enclosed in single quotes, and 'discount' is not a defined column in the table.
In SQL, arithmetic operations on numbers and date arithmetic are valid expressions. Concatenation is also a valid expression when used correctly between string values or literals. Operations that involve date types should not include multiplication or division by numbers directly without a proper interval type in Oracle SQL.
These rules are detailed in the Oracle Database SQL Language Reference, where expressions, datatype precedence, and operations are defined.

NEW QUESTION # 321
......

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Oracle 1z0-071 dumps VCE file - Testking 1z0-071 real dumps

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Oracle Database SQL Sample Questions (Q316-Q321):

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