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Oracle 1z1-071 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Displaying Data from Multiple Tables Using Joins	15%	- Cross join tables - 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 - Join a table to itself by using a self-join
Topic 2: Using Set Operators	5%	- Describe set operators - Describe the order of precedence when the set operators are used - Use a set operator to combine multiple queries into a single query
Topic 3: Using Subqueries to Solve Queries	15%	- Define subqueries - Write single-row and multi-row subqueries - List the types of subqueries - Describe the types of problems that subqueries can solve
Topic 4: Using DDL Statements to Create and Manage Tables	14%	- Describe the data types that are available for columns - Drop, rename, and truncate tables - Categorize the main database objects - Alter table definitions - Review the table structure - Create a simple table
Topic 5: Working with Oracle Database SQL	8%	- Create a container database - Explain the installation of Oracle Database software - Describe the Oracle Database architecture - Start up and shut down a database
Topic 6: 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
Topic 7: 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
Topic 8: 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 9: 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 10: Creating Other Schema Objects	10%	- Create, maintain, and use sequences - Create synonyms for database objects - Create, modify, and retrieve data from a view - Create and maintain indexes
Topic 11: Retrieving Data Using the SQL SELECT Statement	5%	- Execute a basic SELECT statement - Differentiate between SQL statements and SQL*Plus commands - List the capabilities of SQL SELECT statements
Topic 12: Manipulating Data	14%	- Update rows in a table - Insert rows into a table - Describe each data manipulation language (DML) statement - Delete rows from a table - Control transactions
Topic 13: 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 dates with the date functions - Manipulate strings with character function in the SELECT and WHERE clauses

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Oracle Database SQL Sample Questions (Q196-Q201):

NEW QUESTION # 196
You must create a table EMPLOYEES in which the values in the columns EMPLOYEES_ID and LOGIN_ID must be unique and not null.
Which two SQL statements would create the required table? (Choose two.) CREATE TABLE employees

A. (employee_id NUMBER CONSTRAINT emp_id_nn NOT NULL,
login_id NUMBER CONSTRAINT login_id_nn NOT NULL,
employee_name VARCHAR2(100),
hire_date DATE,
CONSTRAINT emp_num_id_uk UNIQUE (employee_id, login_id));
B. (employee_id NUMBER,
login_id NUMBER,
employee_name VARCHAR2(100),
hire_date DATE,
CONSTRAINT emp_id_uk UNIQUE (employee_id, login_id);
CONSTRAINT emp_id_nn NOT NULL (employee_id, login_id));
CREATE TABLE employees
C. (employee_id NUMBER,
login_id NUMBER,
employee_name VARCHAR2(25),
hire_date DATE,
CONSTRAINT emp_id_pk PRIMARY KEY (employee_id, login_id));
CREATE TABLE employees
D. (employee_id NUMBER CONSTRAINT emp_id_pk PRIMARY KEY,
login_id NUMBER UNIQUE,
employee_name VARCHAR2(25),
hire_date DATE);
CREATE TABLE employees
E. (employee_id NUMBER,
login_id NUMBER,
employee_name VARCHAR2(100),
hire_date DATE,
CONSTRAINT emp_id_uk UNIQUE (employee_id, login_id));
CREATE TABLE employees

Answer: A,C

NEW QUESTION # 197
View the exhibit and examine the description of the PRODUCT_INFORMATIONtable.

Which SQL statement would retrieve from the table the number of products having LIST_PRICEas NULL?

A. SELECT COUNT (list_price)
FROM product_information
WHERE list_price i= NULL
B. SELECT COUNT (NVL(list_price, 0))
FROM product_information
WHERE list_price is NULL
C. SELECT COUNT (DISTINCT list_price)
FROM product_information
WHERE list_price is NULL
D. SELECT COUNT (list_price)
FROM product_information
WHERE list_price is NULL

Answer: B

NEW QUESTION # 198
View the exhibit and examine the descriptions of the DEPT and LOCATIONS tables.
You want to update the CITY column of the DEPT table for all the rows with the corresponding value in the CITY column of the LOCATIONS table for each department.
Which SQL statement would you execute to accomplish the task?

A. UPDATE dept dSET city = (SELECT cityFROM locations lWHERE d.location_id = l.location_id);
B. UPDATE dept dSET city = ANY (SELECT cityFROM locations l)
C. UPDATE dept dSET city = ALL (SELECT cityFROM locations lWHERE d.location_id = l.location_id);
D. UPDATE dept dSET city = (SELECT cityFROM locations l)WHERE d.location_id = l.location_id;

Answer: A

NEW QUESTION # 199
Examine the structure of the DEPARTMENTS table.

You execute the following command:

Which two statements are true?

A. A new column, COUNTRY, can be added to the DEPARTMENTS table after executing the command.
B. Synonyms existing of the DEPARTMENTS table would have to be re-created.
C. Unique key constraints defined on the COUNTRY column are removed.
D. Views created in the DEPARTMENTS table that include the COUNTRY column are automatically modified and remain valid.
E. Indexes created on the COUNTRY column exist until the DROP UNUSED COLUMNS command is executed.

Answer: A,C

NEW QUESTION # 200
Which two statements are true about the results of using the INTERSECT operator in compound queries? (Choose two.)

A. The number of columns in each SELECT in the compound query can be different.
B. Column names in each SELECT in the compound query can be different.
C. Reversing the order of the intersected tables can sometimes affect the output.
D. INTERSECT ignores NULLs.
E. INTERSECT returns rows common to both sides of the compound query.

Answer: B,D

NEW QUESTION # 201
......

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