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Oracle 1z0-071 Exam Syllabus Topics:

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

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Oracle Database SQL Sample Questions (Q398-Q403):

NEW QUESTION # 398
Examine the structure of the EMPLOYEES table.

There is a parent-child relationship between EMPLOYEE_ID and MANAGER_ID.
You want to display the last names and manager IDs of employees who work for the same manager as the employee whose EMPLOYEE_ID is 123.
Which query provides the correct output?

A. SELECT m.last_name, e.manager_idFROM employees e LEFT OUTER JOIN employees mon (e.manager_id = m.manager_id)WHERE e.employee_id = 123;
B. SELECT e.last_name, e.manager_idFROM employees e RIGHT OUTER JOIN employees mon (e.employee_id = m.employee_id)WHERE e.employee_id = 123;
C. SELECT e.last_name, m.manager_idFROM employees e LEFT OUTER JOIN employees mon (e.employee_id = m.manager_id)WHERE e.employee_id = 123;
D. SELECT e.last_name, m.manager_idFROM employees e RIGHT OUTER JOIN employees mon (e.manager_id = m.employee_id)AND e.employee_id = 123;

Answer: A

NEW QUESTION # 399
Which three are true about subqueries?

A. < any returns true if the argument is less than the lowest value returned by the subquery.
B. <ANY returns true if the argument is less than the highest value returned by the subquery.
C. A subquery can be used in a HAVING clause.
D. A subquery can be used in a WHERE clause.
E. =ANY can only evaluate the argument against a subcjuery if it returns two or more values.
F. A subquery cannot be used in a FROM clause.
G. A subquery cannot be used in the select list.

Answer: B,C,D

NEW QUESTION # 400
Evaluate the following ALTER TABLEstatement:
ALTER TABLE orders
SET UNUSED (order_date);
Which statement is true?

A. After executing the ALTER TABLEcommand, you can add a new column called ORDER_DATEto the ORDERStable.
B. The DESCRIBEcommand would still display the ORDER_DATEcolumn.
C. The ORDER_DATEcolumn should be empty for the ALTER TABLEcommand to execute successfully.
D. ROLLBACKcan be used to get back the ORDER_DATEcolumn in the ORDERStable.

Answer: A

NEW QUESTION # 401
Examine the commands used to create the DEPARTMENT_DETAILS and the COURSE-DETAILS tables:
SQL> CREATE TABLE DEPARTMfiNT_DETAILS
DEPARTMENT_ID NUMBER PRIMARY KEY ,
DEPARTMEHT_NAME VARCHAR2(50) ,
HOD VARCHAP2(50));
SQL> CREATE TABLE COURSE-DETAILS
(COURSE ID NUMBER PRIMARY KEY ,
COURS_NAME VARCHAR2 (50) ,
DEPARTMEHT_ID NUMBER REFERENCES DEPARTMENT_DETAIL
You want to generate a list of all department IDs along with any course IDs that may have been assigned to them.
Which SQL statement must you use?

A. SELECT d.departranc_id, c.cours<<_id FROM cource_deatils c LEFT OUTER JOIN departmnt_details d ON (c.dapartmsnt_id=d.departtnent_id);
B. SELECT d.department id. ccours_id FROM department_details d RIGHT OUTER JOIN course_details c ON (d.department_id);
C. SELECT d.department_id, c. course_id FROM dapartment_details d RIGHT OUTER JOIN course_dotails c ON (c.depattnient_id=d.department_id) ;
D. SELECT d.department_id, c.course_id FROM department_details d LEFT OUTER JOIN course_details c ON (d.department___id).- (DEPARTMENT_ID) ;

Answer: D

NEW QUESTION # 402
You want to display 5 percent of the rows from the SALEStable for products with the lowest AMOUNT_SOLD and also want to include the rows that have the same AMOUNT_SOLDeven if this causes the output to exceed 5 percent of the rows.
Which query will provide the required result?
SELECT prod_id, cust_id, amount_sold

A. FROM sales
ORDER BY amount_sold
FETCH FIRST 5 PERCENT ROWS WITH TIES;
SELECT prod_id, cust_id, amount_sold
B. FROM sales
ORDER BY amount_sold
FETCH FIRST 5 PERCENT ROWS ONLY;
C. FROM sales
ORDER BY amount_sold
FETCH FIRST 5 PERCENT ROWS ONLY WITH TIES;
SELECT prod_id, cust_id, amount_sold
D. FROM sales
ORDER BY amount_sold
FETCH FIRST 5 PERCENT ROWS WITH TIES ONLY;
SELECT prod_id, cust_id, amount_sold

Answer: A

NEW QUESTION # 403
......

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