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Oracle 1z1-071 Exam Syllabus Topics:

Section	Weight	Objectives
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
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
Using Set Operators	5%	- Describe the order of precedence when the set operators are used - Use a set operator to combine multiple queries into a single query - Describe set operators
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 - Use conditional IF THEN ELSE logic in a SELECT statement - Apply the NVL, NULLIF, and COALESCE functions to data
Restricting and Sorting Data	6%	- Use DEFINE and UNDEFINE commands - Use ampersand substitution to restrict and sort output at runtime - Sort the rows that are retrieved by a query - Limit the rows that are retrieved by a query
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 Single-Row Functions to Customize Output	10%	- Manipulate dates with the date 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 numbers with the ROUND, TRUNC, and MOD functions
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
Using Subqueries to Solve Queries	15%	- List the types of subqueries - Define subqueries - Write single-row and multi-row subqueries - Describe the types of problems that subqueries can solve
Working with Oracle Database SQL	8%	- Explain the installation of Oracle Database software - Start up and shut down a database - Describe the Oracle Database architecture - Create a container database
Manipulating Data	14%	- Update rows in a table - Delete rows from a table - Control transactions - Insert rows into a table - Describe each data manipulation language (DML) statement
Using DDL Statements to Create and Manage Tables	14%	- Review the table structure - Describe the data types that are available for columns - Drop, rename, and truncate tables - Create a simple table - Categorize the main database objects - Alter table definitions
Controlling User Access	5%	- Distinguish between granting privileges and roles - Grant privileges on tables and on a view - Differentiate system privileges from object privileges

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Oracle Database SQL Sample Questions (Q12-Q17):

NEW QUESTION # 12
You are designing the structure of a table in which two columns have the specifications:
COMPONENT_ID - must be able to contain a maximum of 12 alphanumeric characters and must uniquely identify the row
EXECUTION_DATETIME - contains Century, Year, Month, Day, Hour, Minute, Second to the maximum precision and is used for calculations and comparisons between components.
Which two options define the data types that satisfy these requirements most efficiently? (Choose two.)

A. The COMPONENT_ID must be of ROWID data type.
B. The EXECUTION_DATETIME must be of INTERVAL DAY TO SECOND data type.
C. The EXECUTION_DATETIME must be of TIMESTAMP data type.
D. The EXECUTION_DATETIME must be of DATE data type.
E. The COMPONENT_ID must be of VARCHAR2 data type.
F. The COMPONENT_ID column must be of CHAR data type.

Answer: D,F

NEW QUESTION # 13
Examine this statement:

Which two things must be changed for it to execute successfully?

A. The foreign key constraint on DEPT_ID must be defined at the table level instead of the column level.
B. The word CONSTRAINT in the foreign key constraint on DEPT_ID must be changed to FOREIGN KEY.
C. One of the LONG columns must be changed to a VARCHAR2 or CLOB.
D. The NOT NULL constraint on ENAME must be defined at the column level instead of the table level.
E. The primary key constraint on BMP_ID must have a name.

Answer: C,D

NEW QUESTION # 14
Refer to the exhibit.

Which two queries execute successfully?

A. SELECT k FROM products
MINUS
SELECT prod_id FROM new_products;
B. SELECT prod_id FROM products
UNION ALL
SELECT prod_id, prod_name FROM new_products;
C. SELECT prod_id, exp_date FROM products
UNION ALL
SELECT prod_id, NULL FROM new_products;
D. SELECT prod_id, prod_name FROM products
INTERSECT
SELECT 100, prod_name FROM newproducts;
E. SELECT * FROM products
UNION
SELECT * FROM new_products;

Answer: C,E

NEW QUESTION # 15
Using the CUSTOMERStable, you need to generate a report that shows 50% of each credit amount in each income level. The report should NOT show any repeated credit amounts in each income level.
Which query would give the required result?

A. SELECT DISTINCT cust_income_level || ' ' || cust_credit_limit * 0.50 AS "50% Credit Limit" FROM customers.
B. SELECT DISTINCT cust_income_level, DISTINCT cust_credit_limit * 0.50 AS "50% Credit Limit" FROM customers.
C. SELECT cust_income_level, DISTINCT cust_credit_limit * 0.50 AS "50% Credit Limit" FROM customers
D. SELECT cust_income_level || ' ' || cust_credit_limit * 0.50 AS "50% Credit Limit" FROM customers.

Answer: A

NEW QUESTION # 16
BOOK_SEQ is an existing sequence in your schema.
Which two CREATE TABLE commands are valid?
A)

B)

C)

D)

E)

A. Option B
B. Option C
C. Option E
D. Option A
E. Option D

Answer: A,C

NEW QUESTION # 17
......

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