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Oracle 1z1-071 Exam Syllabus Topics:

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

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Oracle Database SQL Sample Questions (Q25-Q30):

NEW QUESTION # 25
Which statement is true about Enterprise Manager (EM) express in Oracle Database 12c?

A. You can create and configure pluggable databases by using EM express.
B. You cannot start up or shut down a database Instance by using EM express.
C. You can use EM express to manage multiple databases running on the same server.
D. By default, EM express is available for a database after database creation.
E. You can perform basic administrative tasks for pluggable databases by using the EM express interface.

Answer: D

Explanation:
Note:
*Oracle Enterprise Manager Database Express (EM Express) is a web-based database management tool that is built inside the Oracle Database. It supports key performance management and basic database administration functions. From an architectural perspective, EM Express has no mid-tier or middleware components, ensuring that its overhead on the database server is negligible.
Incorrect:
Not B: For one database at a time.
Not C, Not E: Enterprise Manager Database Express features can be used against non-CDBs or Oracle RAC database instances.
Not D:After the installation, your instance is started and your database is open. In the future, there will be times, perhaps for doing database maintenance or because of a power or media failure, that you shut down your database instance and later restart it.

NEW QUESTION # 26
Which two are true about granting privileges on objects?

A. A table owner must grant the REFERENCES privilege to allow other users to create FOREIGN KEY constraints using that table.
B. An object privilege can be granted to a role only by the owner of that object.
C. The WITH GRANT OPTION clause can be used only by DBA users.
D. An object privilege can be granted to other users only by the owner of that object.
E. The owner of an object acquires all object privileges on that object by default.

Answer: A,E

NEW QUESTION # 27
View the Exhibit and examine the details of the PRODUCT_INFORMATION table. (Choose two.) Evaluate this SQL statement:
SELECT TO_CHAR (list_price, '$9,999')
From product_information;
Which two statements are true regarding the output?

A. A row whose LIST_PRICE column contains value 1123.90 would be displayed as
$1,123.
B. A row whose LIST_PRICE column contains value 11235.90 would be displayed as
#######.
C. A row whose LIST_PRICE column contains value 11235.90 would be displayed as
$1,123.
D. A row whose LIST_PRICE column contains value 1123.90 would be displayed as
$1,124.

Answer: B,D

NEW QUESTION # 28
Which two statements are true regarding savepoints? (Choose two.)

A. Savepoints can be used for only DML statements.
B. Savepoints may be used to ROLLBACK.
C. Savepoints are effective only for COMMIT.
D. Savepoints are effective for both COMMIT and ROLLBACK.
E. Savepoints can be used for both DML and DDL statements.

Answer: A,B

NEW QUESTION # 29
Examine this query which executes successfully;
Select job,deptno from emp
Union all
Select job,deptno from jobs_history;
What will be the result?

A. It will return rows both select statements including duplicate rows.
B. It will return rows from both select statements after eliminating duplicate rows.
C. It will return rows that are not common to both select statements.
D. It will return rows common to both select statements.

Answer: A

Explanation:
For the provided UNION ALL query:
* Option C: It will return rows from both SELECT statements including duplicate rows.
* UNION ALL is used to combine the results of two SELECT statements and does not eliminate duplicates.
Options A, B, and D are incorrect because:
* Option A: UNION ALL does not eliminate duplicate rows, unlike UNION.
* Option B: This would be true for INTERSECT, not UNION ALL.
* Option D: This would be true for EXCEPT or MINUS, not UNION ALL.

NEW QUESTION # 30
......

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