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Oracle 1z1-071 Exam Syllabus Topics:

Section	Weight	Objectives
Using Conversion Functions and Conditional Expressions	10%	- Apply the NVL, NULLIF, and COALESCE functions to data - 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
Controlling User Access	5%	- Distinguish between granting privileges and roles - Differentiate system privileges from object privileges - Grant privileges on tables and on a view
Working with Oracle Database SQL	8%	- Describe the Oracle Database architecture - Explain the installation of Oracle Database software - Create a container database - Start up and shut down a database
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
Displaying Data from Multiple Tables Using Joins	15%	- View data that does not meet a join condition by using outer joins - Join a table to itself by using a self-join - Cross join tables - Write SELECT statements to access data from more than one table using equijoins and non-equijoins
Using DDL Statements to Create and Manage Tables	14%	- Create a simple table - Review the table structure - Categorize the main database objects - Drop, rename, and truncate tables - Alter table definitions - Describe the data types that are available for columns
Restricting and Sorting Data	6%	- 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 - Use DEFINE and UNDEFINE commands
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
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
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
Manipulating Data	14%	- Delete rows from a table - Control transactions - Insert rows into a table - Describe each data manipulation language (DML) statement - Update rows in a table
Reporting Aggregated Data Using Group Functions	15%	- Describe the use of group functions - Identify the available group functions - Include or exclude grouped rows by using the HAVING clause - Group data by using the GROUP BY clause
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

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Oracle Database SQL Sample Questions (Q88-Q93):

NEW QUESTION # 88
Examine the description of the BOOKS table:

The table has 100 rows.
Examine this sequence of statements issued in a new session;
INSERT INTO BOOKS VALUES ('ADV112' , 'Adventures of Tom Sawyer', NULL, NULL);
SAVEPOINT a;
DELETE from books;
ROLLBACK TO SAVEPOINT a;
ROLLBACK;
Which two statements are true?

A. The second ROLLBACK command replays the delete.
B. The first ROLLBACK command restores the 101 rows that were deleted, leaving the inserted row still to be committed.
C. The first ROLLBACK command restores the 101 rows that were deleted and commits the inserted row.
D. The second ROLLBACK command does nothing.
E. The second ROLLBACK command undoes the insert.

Answer: B,E

NEW QUESTION # 89
You execute the following commands:

For which substitution variables are you prompted for the input?

A. None, because no input required
B. Only 'hiredate'
C. Only 'mgr_id'
D. Both the substitution variables 'hiredate' and 'mgr_id\

Answer: D

NEW QUESTION # 90
Which statement is true regarding the default behavior of the ORDER BY clause?

A. Only those columns that are specified in the SELECT list can be used in the ORDER BY clause
B. In a character sort, the values are case-sensitive
C. NULL values are not considered at all by the sort operation
D. Numeric values are displayed from the maximum to the minimum value if they have decimal positions

Answer: B

Explanation:
Character Strings and Dates
Character strings and date values are enclosed with single quotation marks. Character values are case-sensitive and date values are format-sensitive.
The default date display format is DD-MON-RR.

NEW QUESTION # 91
Examine the structure of the SALES table.

Examine this statement:

Which two statements are true about the SALES1 table? (Choose two.)

A. It is created with no rows.
B. It will not be created because of the invalid WHERE clause.
C. It has PRIMARY KEY and UNIQUE constraints on the selected columns which had those constraints in the SALES table.
D. It will have NOT NULL constraints on the selected columns which had those constraints in the SALES table.
E. It will not be created because the column-specified names in the SELECT and CREATE TABLE clauses do not match.

Answer: A,D

NEW QUESTION # 92
View the Exhibit and examine the details of PRODUCT_INFORMATIONtable.

You have the requirement to display PRODUCT_NAMEfrom the table where the CATEGORY_IDcolumn has values 12or 13, and the SUPPLIER_IDcolumn has the value 102088. You executed the following SQL statement:
SELECT product_name
FROM product_information
WHERE (category_id = 12 AND category_id = 13) AND supplier_id = 102088; Which statement is true regarding the execution of the query?

A. It would not execute because the same column has been used in both sides of the ANDlogical operator to form the condition.
B. It would not execute because the entire WHEREclause condition is not enclosed within the parentheses.
C. It would execute but the output would return no rows.
D. It would execute and the output would display the desired result.

Answer: C

NEW QUESTION # 93
......

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