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Oracle 1z0-071 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: 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 2: Using Conversion Functions and Conditional Expressions	10%	- Describe implicit and explicit data type conversion - Use conditional IF THEN ELSE logic in a SELECT statement - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Apply the NVL, NULLIF, and COALESCE functions to data
Topic 3: Manipulating Data	14%	- Insert rows into a table - Control transactions - Delete rows from a table - Describe each data manipulation language (DML) statement - Update rows in a table
Topic 4: Working with Oracle Database SQL	8%	- Describe the Oracle Database architecture - Create a container database - Start up and shut down a database - Explain the installation of Oracle Database software
Topic 5: Reporting Aggregated Data Using Group Functions	15%	- Identify the available group functions - Include or exclude grouped rows by using the HAVING clause - Group data by using the GROUP BY clause - Describe the use of group functions
Topic 6: Displaying Data from Multiple Tables Using Joins	15%	- Write SELECT statements to access data from more than one table using equijoins and non-equijoins - 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
Topic 7: Controlling User Access	5%	- Grant privileges on tables and on a view - Distinguish between granting privileges and roles - Differentiate system privileges from object privileges
Topic 8: Using Subqueries to Solve Queries	15%	- List the types of subqueries - Define subqueries - Describe the types of problems that subqueries can solve - Write single-row and multi-row subqueries
Topic 9: Creating Other Schema Objects	10%	- Create synonyms for database objects - Create and maintain indexes - Create, maintain, and use sequences - Create, modify, and retrieve data from a view
Topic 10: Using DDL Statements to Create and Manage Tables	14%	- Categorize the main database objects - Create a simple table - Describe the data types that are available for columns - Alter table definitions - Drop, rename, and truncate tables - Review the table structure
Topic 11: Using Single-Row Functions to Customize Output	10%	- Describe the differences between single-row and multiple-row functions - Manipulate numbers with the ROUND, TRUNC, and MOD functions - Manipulate strings with character function in the SELECT and WHERE clauses - Perform arithmetic with date data - Manipulate dates with the date functions
Topic 12: Retrieving Data Using the SQL SELECT Statement	5%	- Execute a basic SELECT statement - List the capabilities of SQL SELECT statements - Differentiate between SQL statements and SQL*Plus commands
Topic 13: Restricting and Sorting Data	6%	- Use DEFINE and UNDEFINE commands - Limit the rows that are retrieved by a query - Use ampersand substitution to restrict and sort output at runtime - Sort the rows that are retrieved by a query

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Oracle Database SQL Sample Questions (Q72-Q77):

NEW QUESTION # 72
Examine the data in the PRODUCTS table:

Examine these queries:
1. SELECT prod name, prod list
FROM products
WHERE prod 1ist NOT IN(10,20) AND category _id=1;
2. SELECT prod name, | prod _ list
FROM products
WHERE prod list < > ANY (10,20) AND category _id= 1;
SELECT prod name, prod _ list
FROM products
WHERE prod_ list <> ALL (10, 20) AND category _ id= 1;
Which queries generate the same output?

A. 2 and 3
B. 1 and 3
C. 1, 2 and 3
D. 1 and 2

Answer: B

Explanation:
Based on the given PRODUCTS table and the SQL queries provided:
Query 1: Excludes rows where prod_list is 10 or 20 and category_id is 1.
Query 2: Includes rows where prod_list is neither 10 nor 20 and category_id is 1.
Query 3: Excludes rows where prod_list is both 10 and 20 (which is not possible for a single value) and category_id is 1.
The correct answer is A, queries 1 and 3 will produce the same result. Both queries exclude rows where prod_list is 10 or 20 and include only rows from category_id 1. The NOT IN operator excludes the values within the list, and <> ALL operator ensures that prod_list is not equal to any of the values in the list, which effectively excludes the same set of rows.
Query 2, using the <> ANY operator, is incorrect because this operator will return true if prod_list is different from any of the values in the list, which is not the logic represented by the other two queries.

NEW QUESTION # 73
Which four statements are true regarding primary and foreign key constraints and the effect they can have on table data? (Choose four.)

A. A table can have only one primary key and one foreign key
B. It is possible for child rows that have a foreign key to be deleted automatically from the child table at the time the parent row is deleted
C. Primary key and foreign key constraints can be defined at both the column and table level
D. Only the primary key can be defined at the column and table level
E. A table can have only one primary key but multiple foreign keys
F. It is possible for child rows that have a foreign key to remain in the child table at the time the parent row is deleted
G. The foreign key columns and parent table primary key columns must have the same names

Answer: B,C,E,G

NEW QUESTION # 74
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 = ALL (SELECT cityFROM locations lWHERE d.location_id = l.location_id);
B. UPDATE dept dSET city = (SELECT cityFROM locations l)WHERE d.location_id = l.location_id;
C. UPDATE dept dSET city = ANY (SELECT cityFROM locations l)
D. UPDATE dept dSET city = (SELECT cityFROM locations lWHERE d.location_id = l.location_id);

Answer: D

NEW QUESTION # 75
View the Exhibit and examine the description of the EMPLOYEES table.
You want to calculate the total renumeration for each employee. Total renumeration is the sum of the annual salary and the percentage commission earned for a year. Only a few employees earn commission.
Which SQL statement would you execute to get the desired output?

A. SELECT first_name, salary, salary*12+(salary*NVL2 (commission_pct,
salary,salary+commission_pct))"Total"FROM EMPLOYEES;
B. SELECT first_name, salary (salary + NVL (commission_pct, 0)*salary)*12 "Total"FROM EMPLOYEES;
C. SELECT first_name, salary, salary*12+salary*commission_pct "Total"FROM EMPLOYEES;
D. SELECT first_name, salary*12 + NVL(salary,0)*commission_pct, "Total"FROM EMPLOYEES;

Answer: A

NEW QUESTION # 76
Which three statements are true about the ALTER TABLE ----DROP COLUMN .....command?

A. The column in a composite PRIMARY KEY with the CASCADE option can be dropped.
B. A column can be dropped only if it does not contain any data.
C. A parent key column in the table cannot be dropped.
D. A column can be dropped only if another column exists in the table.
E. A dropped column can be rolled back.

Answer: E

NEW QUESTION # 77
......

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