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Oracle 1z0-071 Exam Syllabus Topics:

Section	Weight	Objectives
Creating Other Schema Objects	10%	- Create, modify, and retrieve data from a view - Create and maintain indexes - Create, maintain, and use sequences - Create synonyms for database objects
Using Set Operators	5%	- Use a set operator to combine multiple queries into a single query - Describe set operators - Describe the order of precedence when the set operators are used
Using Conversion Functions and Conditional Expressions	10%	- Use conditional IF THEN ELSE logic in a SELECT statement - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Describe implicit and explicit data type conversion - Apply the NVL, NULLIF, and COALESCE functions to data
Controlling User Access	5%	- Distinguish between granting privileges and roles - Grant privileges on tables and on a view - Differentiate system privileges from object privileges
Restricting and Sorting Data	6%	- 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 - Use DEFINE and UNDEFINE commands
Using DDL Statements to Create and Manage Tables	14%	- Alter table definitions - Drop, rename, and truncate tables - Categorize the main database objects - Review the table structure - Create a simple table - Describe the data types that are available for columns
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
Using Subqueries to Solve Queries	15%	- Write single-row and multi-row subqueries - Describe the types of problems that subqueries can solve - Define subqueries - List the types of subqueries
Manipulating Data	14%	- Insert rows into a table - Delete rows from a table - Update rows in a table - Describe each data manipulation language (DML) statement - Control transactions
Reporting Aggregated Data Using Group Functions	15%	- Describe the use of group functions - Identify the available group functions - Group data by using the GROUP BY clause - Include or exclude grouped rows by using the HAVING clause
Using Single-Row Functions to Customize Output	10%	- Perform arithmetic with date data - Manipulate strings with character function in the SELECT and WHERE clauses - Manipulate numbers with the ROUND, TRUNC, and MOD functions - Describe the differences between single-row and multiple-row functions - Manipulate dates with the date functions
Retrieving Data Using the SQL SELECT Statement	5%	- List the capabilities of SQL SELECT statements - Execute a basic SELECT statement - Differentiate between SQL statements and SQL*Plus commands
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

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Oracle Database SQL Sample Questions (Q48-Q53):

NEW QUESTION # 48
Which two statements are true about INTERVAL data types? (Choose two.)

A. INTERVAL YEAR TO MONTHcolumns only support monthly intervals within a range of years.
B. The YEAR field in an INTERVAL YEAR TO MONTHcolumn must be a positive value.
C. INTERVAL DAY TO SECONDcolumns support fractions of seconds.
D. INTERVAL YEAR TO MONTHcolumns support yearly intervals.
E. The value in an INTERVAL DAY TO SECONDcolumn can be copied into an INTERVAL YEAR TO MONTH column.
F. INTERVAL YEAR TO MONTHcolumns only support monthly intervals within a single year.

Answer: A,C

Explanation:
Explanation/Reference: https://www.oracletutorial.com/oracle-basics/oracle-interval/

NEW QUESTION # 49
Which two actions can you perform with object privileges? (Choose two.)

A. Create roles.
B. Delete rows from tables in any schema except SYS.
C. Set default and temporary tablespaces for a user.
D. Execute a procedure or function in another schema.
E. Create FOREIGN KEY constraints that reference tables in other schemas.

Answer: A,D

Explanation:
http://www.cruzroja.es/help/wvtdbobp.htm

NEW QUESTION # 50
View the exhibit and examine the structure in ORDERSand ORDER_ITEMStables.

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

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

Answer: C

NEW QUESTION # 51
View the Exhibit and examine the details of the PRODUCT_INFORMATION table.
Exhibit

You must display PRODUCT_NAME from the table where the CATEGORY_ID column has values 12 or 13, and the SUPPLIER_ID column has the value 102088.
You executed this SQL statement:

Which statement is true regarding the execution?

A. It would not execute because the entire WHERE clause is not enclosed within parentheses.
B. It would execute but would return no rows.
C. It would not execute because the same column has been used twice with the AND logical operator.
D. It would execute and return the desired result.

Answer: B

NEW QUESTION # 52
Which two statements are true about the SET VERIFY ON command?

A. It can be used in SQL Developer and SQL*Plus.
B. It displays values for variables prefixed with &&.
C. It can be used only in SQL*plus.
D. It displays values for variables created by the DEFINE command.
E. It displays values for variables used only in the WHERE clause of a query.

Answer: A,D

Explanation:
The SET VERIFY ON command is related to how SQL*Plus and SQL Developer display information about substitution variables:
* A. It displays values for variables created by the DEFINE command: When VERIFY is set to ON, SQL*Plus and SQL Developer will display the old and new values of a substitution variable when it is redefined using the DEFINE command or when a new value is provided for it during the session.
* B. It can be used in SQL Developer and SQL*Plus: While traditionally associated with SQL*Plus, the SET VERIFY command is also supported in SQL Developer, allowing you to control the display of substitution variable values in both environments.
References:
* Oracle SQL*Plus User's Guide and Reference, especially the section on the SET command and
* substitution variables.

NEW QUESTION # 53
......

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