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Oracle 1z0-071 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Retrieving Data Using the SQL SELECT Statement	5%	- Differentiate between SQL statements and SQL*Plus commands - Execute a basic SELECT statement - List the capabilities of SQL SELECT statements
Topic 2: Using Conversion Functions and Conditional Expressions	10%	- Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Use conditional IF THEN ELSE logic in a SELECT statement - Describe implicit and explicit data type conversion - Apply the NVL, NULLIF, and COALESCE functions to data
Topic 3: Controlling User Access	5%	- Grant privileges on tables and on a view - Differentiate system privileges from object privileges - Distinguish between granting privileges and roles
Topic 4: Creating Other Schema Objects	10%	- Create and maintain indexes - Create synonyms for database objects - Create, maintain, and use sequences - Create, modify, and retrieve data from a view
Topic 5: Reporting Aggregated Data Using Group Functions	15%	- Describe the use of group functions - Group data by using the GROUP BY clause - Identify the available group functions - Include or exclude grouped rows by using the HAVING clause
Topic 6: Working with Oracle Database SQL	8%	- Describe the Oracle Database architecture - Explain the installation of Oracle Database software - Start up and shut down a database - Create a container database
Topic 7: Using Single-Row Functions to Customize Output	10%	- Manipulate numbers with the ROUND, TRUNC, and MOD functions - Perform arithmetic with date data - Describe the differences between single-row and multiple-row functions - Manipulate strings with character function in the SELECT and WHERE clauses - Manipulate dates with the date functions
Topic 8: Displaying Data from Multiple Tables Using Joins	15%	- Cross join tables - Join a table to itself by using a self-join - View data that does not meet a join condition by using outer joins - Write SELECT statements to access data from more than one table using equijoins and non-equijoins
Topic 9: Using DDL Statements to Create and Manage Tables	14%	- Alter table definitions - Categorize the main database objects - Review the table structure - Describe the data types that are available for columns - Drop, rename, and truncate tables - Create a simple table
Topic 10: Using Set Operators	5%	- Describe set operators - Use a set operator to combine multiple queries into a single query - Describe the order of precedence when the set operators are used
Topic 11: 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
Topic 12: Restricting and Sorting Data	6%	- Limit the rows that are retrieved by a query - Sort the rows that are retrieved by a query - Use DEFINE and UNDEFINE commands - Use ampersand substitution to restrict and sort output at runtime
Topic 13: Using Subqueries to Solve Queries	15%	- Describe the types of problems that subqueries can solve - Write single-row and multi-row subqueries - List the types of subqueries - Define subqueries

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Oracle Database SQL Sample Questions (Q269-Q274):

NEW QUESTION # 269
Evaluate the following query:
SQL> SELECT TRUNC (ROUND(156.00, -1),-1)
FROM DUAL;
What would be the outcome?

A. 0
B. 1
C. 2
D. 3
E. 4

Answer: A

Explanation:
Explanation/Reference:
References:
https://docs.oracle.com/cd/B19306_01/server.102/b14200/functions135.htm
https://docs.oracle.com/cd/B28359_01/olap.111/b28126/dml_functions_2127.htm

NEW QUESTION # 270
Examine the structure of the EMPLOYEES table.

You must display the details of employees who have manager with MANAGER_ID 100, who were hired in the past 6 months and who have salaries greater than 10000.
Which query would retrieve the required result?

A. SELECT last_name, hire_date, salary
FROM employees
WHERE manager_id = (SELECT employee_id FROM employees WHERE employee_id = 100) UNION ALL (SELECT last_name, hire_date, salary FROM employees WHERE hire_date > SYSDATE -180 INTERSECT SELECT last_name, hire_date, salary FROM employees WHERE salary > 10000);
B. SELECT last_name, hire_date, salary
FROM employees
WHERE manager_id = (SELECT employee_id FROM employees WHERE employee_id = '100') UNION SELECT last_name, hire_date, salary FROM employees WHERE hire_date > SYSDATE -180 INTERSECT SELECT last_name, hire_date, salary FROM employees WHERE salary > 10000;
C. (SELECT last_name, hire_date, salary
FROM employees
WHERE salary > 10000
UNION ALL
SELECT last_name, hire_date, salary
FROM employees
WHERE manager_ID = (SELECT employee_id FROM employees WHERE employee_id = 100)) UNION SELECT last_name, hire_date, salary FROM employees WHERE hire_date > SYSDATE -180;
D. SELECT last_name, hire_date, salary
FROM employees
WHERE salary > 10000
UNION ALL
SELECT last_name, hire_date, salary
FROM employees
WHERE manager_ID = (SELECT employee_id FROM employees WHERE employee_id = 100) INTERSECT SELECT last_name, hire_date, salary FROM employees WHERE hire_date > SYSDATE- 180;

Answer: B

NEW QUESTION # 271
View the Exhibit and examine the description for the SALES and CHANNELS tables.

You issued this SQL statement:

Which statement is true regarding the result? (Choose the best answer.)

A. The statement will execute and a new row will be inserted in the SALES table.
B. The statement will fail because a subquery cannot be used in a VALUES clause.
C. The statement will fail because the subquery in the VALUES clause is not enclosed within single quotation marks.
D. The statement will fail because the VALUES clause is not required with the subquery.

Answer: A

NEW QUESTION # 272
View the Exhibit and examine the data in the employees table.
You want to generate a report showing the total compensation paid to each employee to date.
You issue the following query:
What is the outcome?

A. It executes successfully but does not give the correct output.
B. It generates an error because the usage of the round function in the expression is not valid
C. It executes successfully and gives the correct output.
D. It generates an error because the alias is not valid.
E. It generates an error because the concatenation operator can be used to combine only two items.

Answer: A

NEW QUESTION # 273
Which two statements are true about truncate and delete?

A. TRUNCATE can use a where clause to determine which row(s) should be removed.
B. delete can use a where clause to determine which row(s) should be removed.
C. the result of a truncate can be undone by issuing a ROLLBACK.
D. the result of a delete can be undone by issuing a rollback
E. truncate leavers any indexes on the table in an UNUSABLE STATE.

Answer: B,D

NEW QUESTION # 274
......

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