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Oracle 1z0-071 Exam Syllabus Topics:

Section	Weight	Objectives
Working with Oracle Database SQL	8%	- Explain the installation of Oracle Database software - Create a container database - Start up and shut down a database - Describe the Oracle Database architecture
Using Set Operators	5%	- Describe the order of precedence when the set operators are used - Describe set operators - Use a set operator to combine multiple queries into a single query
Manipulating Data	14%	- Control transactions - Describe each data manipulation language (DML) statement - Update rows in a table - Insert rows into a table - Delete rows from a table
Using Subqueries to Solve Queries	15%	- Write single-row and multi-row subqueries - Define subqueries - List the types of subqueries - Describe the types of problems that subqueries can solve
Using DDL Statements to Create and Manage Tables	14%	- Alter table definitions - Create a simple table - Review the table structure - Categorize the main database objects - Describe the data types that are available for columns - Drop, rename, and truncate tables
Using Conversion Functions and Conditional Expressions	10%	- Describe implicit and explicit data type conversion - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Apply the NVL, NULLIF, and COALESCE functions to data - Use conditional IF THEN ELSE logic in a SELECT statement
Creating Other Schema Objects	10%	- Create synonyms for database objects - Create, modify, and retrieve data from a view - Create, maintain, and use sequences - Create and maintain indexes
Displaying Data from Multiple Tables Using Joins	15%	- View data that does not meet a join condition by using outer joins - Join a table to itself by using a self-join - Cross join tables - Write SELECT statements to access data from more than one table using equijoins and non-equijoins
Reporting Aggregated Data Using Group Functions	15%	- Include or exclude grouped rows by using the HAVING clause - Identify the available group functions - Describe the use of group functions - Group data by using the GROUP BY clause
Restricting and Sorting Data	6%	- Use DEFINE and UNDEFINE commands - Limit the rows that are retrieved by a query - Sort the rows that are retrieved by a query - Use ampersand substitution to restrict and sort output at runtime
Controlling User Access	5%	- Grant privileges on tables and on a view - Distinguish between granting privileges and roles - Differentiate system privileges from object privileges
Retrieving Data Using the SQL SELECT Statement	5%	- Execute a basic SELECT statement - Differentiate between SQL statements and SQL*Plus commands - List the capabilities of SQL SELECT statements
Using Single-Row Functions to Customize Output	10%	- Manipulate numbers with the ROUND, TRUNC, and MOD functions - Perform arithmetic with date data - Manipulate dates with the date functions - Manipulate strings with character function in the SELECT and WHERE clauses - Describe the differences between single-row and multiple-row functions

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Oracle Database SQL Sample Questions (Q333-Q338):

NEW QUESTION # 333
Examine this statement:

What is returned upon execution?

A. 1 row
B. an error
C. 2 rows
D. 0 rows

Answer: C

NEW QUESTION # 334
Examine the description of the EMPLOYYES table:

Which two statements will run successfully?

A. SELECT 'The first-name is \ ' ' | | first_name | | ' ' FROM employees;
B. SELECT 'The first-name is ' ' ' | | first_name | | ' ' ' FROM employees;
C. SELECT 'The first-name is ' | | first_name | | ' ' FROM employees;
D. SELECT 'The first-name is ' ' ' | | first_name | | ' ' ' ' FROM employees;
E. SELECT 'The first-name is \ ' ' | | first_name | | ' \ ' ' FROM employees;

Answer: C,D

NEW QUESTION # 335
View the exhibit and examine the structure in ORDERS and ORDER_ITEMS tables.

You need to create a view that displays the ORDER_ID, ORDER_DATE, and the total number of items in each order.
Which CREATE VIEW statement would create the view successfully?

A. CREATE OR REPLACE VIEW ord_vuAS SELECT o.order_id, o.order_date,
COUNT(i.line_item_id)"NO OF ITEMS"FROM orders o JOIN order_items iON (o.order_id = i.order_id)GROUP BY o.order_id,o.order_date;
B. CREATE OR REPLACE VIEW ord_vu (order_id, order_date)AS SELECT o.order_id, o.order_date, COUNT(i.line_item_id)"NO OF ITEMS"FROM orders o JOIN order_items iON (o.order_id = i.order_id)GROUP BY o.order_id, o.order_date;
C. CREATE OR REPLACE VIEW ord_vuAS SELECT o.order_id, o.order_date,
COUNT(i.line_item_id)FROM orders o JOIN order_items iON (o.order_id = i.order_id)GROUP BY o.order_id,o.order_date;
D. CREATE OR REPLACE VIEW ord_vuAS SELECT o.order_id, o.order_date,
COUNT(i.line_item_id)||'NO OF ITEMS'FROM orders o JOIN order_items iON (o.order_id = i.order_id)GROUP BY o.order_id,o.order_dateWHITH CHECK OPTION;

Answer: A

NEW QUESTION # 336
Examine the data in the INVOICEStable:

Examine the data in the CURRENCIEStable:

Which query returns the currencies in CURRENCIESthat are not present in INVOICES?

Answer: C

NEW QUESTION # 337
The customers table has the following structure:

You need to write a query that does the following tasks:
1. Display the first name and tax amount of the customers. Tax is 5% of their credit limit.
2. Only those customers whose income level has a value should be considered.
3. Customers whose tax amount is null should not be considered.
Which statement accomplishes all the required tasks?
SELECT cust_first_name, cust_credit_limit * .05 AS TAX_AMOUNT

A. FROM customers
WHERE cust_income_level <> NULL AND
tax_amount <> NULL;
SELECT cust_first_name, cust_credit_limit * .05 AS TAX_AMOUNT
B. FROM customers
WHERE cust_income_level IS NOT NULL AND
cust_credit_limit IS NOT NULL;
SELECT cust_first_name, cust_credit_limit * .05 AS TAX_AMOUNT
C. FROM customers
WHERE cust_income_level IS NOT NULL AND
tax_amount IS NOT NULL;
SELECT cust_first_name, cust_credit_limit * .05 AS TAX_AMOUNT
D. FROM customers
WHERE (cust_income_level, tax_amount) IS NOT NULL;

Answer: B

NEW QUESTION # 338
......

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