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Oracle 1z0-071 is an entry-level certification exam for database administrators and developers who want to prove their knowledge of SQL. 1z0-071 exam is designed to test your understanding of fundamental concepts of SQL, such as querying data, modifying data, and creating database objects. 1z0-071 exam is intended to measure your skills in writing SQL queries and statements that can be used to manipulate data in an Oracle database.

Oracle 1z0-071 Exam, also known as the Oracle Database SQL exam, is designed to test the knowledge and skills of individuals in the area of SQL for Oracle databases. 1z0-071 exam is ideal for individuals who are looking to validate their understanding of SQL and wish to obtain a certification in this area.

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Oracle Database SQL Sample Questions (Q318-Q323):

NEW QUESTION # 318
Which two statements are true about Data Manipulation Language (DML) statements?

A. An UPDATE....SET....statement can modify multiple rows based on only a single condition on a table.
B. A DELETE FROM.....statement can remove multiple rows based on multiple conditions on a table.
C. An INSERT INTO... VALUES..... statement can add a single row based on multiple conditions on a table.
D. An UPDATE... SET...statement can modify multiple rows based on multiple conditions on a table.
E. A DELETE FROM.....statement can remove rows based on only a single condition on a table.
F. An INSERTINTO...VALUES..statement can add multiple rows per execution to a table.

Answer: B,D

Explanation:
Explanation/Reference:
References:
http://www.techonthenet.com/sql/and_or.php

NEW QUESTION # 319
View the Exhibit and examine the structure of the CUSTOMERS and CUST_HISTORY tables.
The CUSTOMERS table contains the current location of all currently active customers.
The CUST_HISTORY table stores historical details relating to any changes in the location of all current as well as previous customers who are no longer active with the company.
You need to find those customers who have never changed their address.
Which SET operator would you use to get the required output?

A. UNION ALL
B. MINUS
C. UNION
D. INTERSECT

Answer: B

NEW QUESTION # 320
The BOOKS_TRANSACTIONStable exists in your database.
Examine the SQL statement:
SQL>SELECT * FROM books_transactionsORDER BY 3;
What is the outcome on execution?

A. Rows are displayed sorted in ascending order of the values in the third column in the table.
B. Rows are displayed in the order that they are stored in the table only for the three rows with the lowest values in the key column.
C. The execution tails unless the numeral 3 in the order by clause is replaced by a column name,
D. Rows are displayed in the order that they are stored in the table only for the first three rows.

Answer: D

NEW QUESTION # 321
Which statement is true regarding the INTERSECT operator?

A. The number of columns and data types must be identical for all SELECT statements in the query.
B. Reversing the order of the intersected tables alters the result.
C. It ignores NULLs.
D. The names of columns in all SELECT statements must be identical.

Answer: A

Explanation:
Explanation
INTERSECT Returns only the rows that occur in both queries' result sets, sorting them and removing duplicates.
The columns in the queries that make up a compound query can have different names, but the output result set will use the names of the columns in the first query.

NEW QUESTION # 322
View the Exhibit and examine the structure of the ORDERS table. The columns ORDER_MODE and ORDER_TOTAL have the default values 'direct' and 0 respectively.

Which two INSERT statements are valid? (Choose two.)

A. INSERT INTO ordersVALUES (1,'09-mar-2007', DEFAULT, 101, DEFAULT);
B. INSERT INTO(SELECT order_id,order_date,customer_id FROM orders)VALUES (1,'09-mar-2007', 101);
C. INSERT INTO ordersVALUES (1,'09-mar-2007', 'online','', 1000);
D. INSERT INTO orders(order_id,order_date,order_mode,order_total)VALUES (1,'10-mar-2007','online',1000);
E. INSERT INTO orders(order_id,order_date,order_mode,(customer_id,order_total)VALUES (1,TO_DATE(NULL), 'online', 101, NULL);

Answer: A,B

NEW QUESTION # 323
......

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