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Oracle 1z1-071 Exam Syllabus Topics:

Section	Weight	Objectives
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
Using DDL Statements to Create and Manage Tables	14%	- Alter table definitions - Create a simple table - Review the table structure - Describe the data types that are available for columns - Drop, rename, and truncate tables - Categorize the main database objects
Using Subqueries to Solve Queries	15%	- List the types of subqueries - Write single-row and multi-row subqueries - Describe the types of problems that subqueries can solve - Define subqueries
Working with Oracle Database SQL	8%	- Start up and shut down a database - Describe the Oracle Database architecture - Create a container database - Explain the installation of Oracle Database software
Retrieving Data Using the SQL SELECT Statement	5%	- List the capabilities of SQL SELECT statements - Differentiate between SQL statements and SQL*Plus commands - Execute a basic SELECT statement
Displaying Data from Multiple Tables Using Joins	15%	- Join a table to itself by using a self-join - 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
Manipulating Data	14%	- Update rows in a table - Control transactions - Describe each data manipulation language (DML) statement - Insert rows into a table - Delete rows from a table
Using Single-Row Functions to Customize Output	10%	- Manipulate strings with character function in the SELECT and WHERE clauses - Perform arithmetic with date data - Manipulate dates with the date functions - Manipulate numbers with the ROUND, TRUNC, and MOD functions - Describe the differences between single-row and multiple-row functions
Restricting and Sorting Data	6%	- Sort the rows that are retrieved by a query - Limit the rows that are retrieved by a query - Use DEFINE and UNDEFINE commands - Use ampersand substitution to restrict and sort output at runtime
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
Using Conversion Functions and Conditional Expressions	10%	- Apply the NVL, NULLIF, and COALESCE functions to data - 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
Reporting Aggregated Data Using Group Functions	15%	- Group data by using the GROUP BY clause - Include or exclude grouped rows by using the HAVING clause - Describe the use of group functions - Identify the available group functions
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 1z1-071 Prüfungsfragen mit Lösungen (Q356-Q361):

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

Antwort: D

357. Frage
Which two are true about external tables that use the ORACLE_DATAPUMPaccess driver? (Choose two.)

A. When creating an external table, data can be selected from another external table or from a table whose rows are stored in database blocks.
B. Creating an external table creates a dump file that can be used by an external table in the same or a different database.
C. Creating an external table creates a dump file that can be used only by an external table in the same database.
D. When creating an external table, data can be selected only from a table whose rows are stored in database blocks.
E. Creating an external table creates a directory object.

Antwort: A,E

Begründung:
The external tables feature is a complement to existing SQL*Loader functionality. It enables you to access data in external sources as if it were in a table in the database.
You must create the directory object before you create the external table.
Reference: https://docs.oracle.com/cd/B19306_01/server.102/b14215/et_concepts.htm
https://docs.oracle.com/cd/E11882_01/server.112/e22490/et_concepts.htm#SUTIL011

358. Frage
View the Exhibit and examine the structure of the SALES table.

The following query is written to retrieve all those product IDs from the SALES table that have more than 55000 sold and have been ordered more than 10 times.
SQL> SELECT prod_id
FROM sales
WHERE quantity_sold > 55000 and COUNT(*) > 10
GROUP BY prod_id
HAVING COUNT(*) > 10;
Which statement is true regarding this SQL statement?

A. It produces an error because COUNT(*) should be specified in the SELECT clause also.
B. It executes successfully but produces no result because COUNT(prod_id) should be used instead of COUNT(*).
C. It executes successfully and generates the required result.
D. It produces an error because COUNT(*) should be only in the HAVING clause and not in the WHERE clause.

Antwort: D

359. Frage
Examine thestructure of the BOOKS_TRANSACTIONS table:

You want to display the member IDs, due date, and late fee as $2 for all transactions.
Which SQL statement must you execute?

A. SELECT member_id AS "MEMBER ID", due_date AS "DUE DATE", $2 AS "LATE
FEE" FROM BOOKS_TRANSACTIONS;
B. SELECT member_id AS "MEMBER ID", due_date AS "DUE DATE", '$2' AS "LATE
FEE" FROM BOOKS_TRANSACTIONS;
C. SELECT member_id 'MEMBER ID', due_date 'DUE DATE', '$2 AS LATE FEE' FROM BOOKS_TRANSACTIONS;
D. SELECT member_id AS MEMBER_ID, due_date AS DUE_DATE, $2 AS LATE_FEE FROM BOOKS_TRANSACTIONS;

Antwort: B

360. Frage
Which statement is true regarding external tables?

A. ORACLE_LOADER and ORACLE_DATAPUMP have exactly the same functionality when used with an external table.
B. The default REJECT LIMIT for external tables is UNLIMITED.
C. The data and metadata for an external table are stored outside the database.
D. The CREATE TABLE AS SELECT statement can be used to upload data into a normal table in the database from an external table.

Antwort: D

Begründung:
https://docs.oracle.com/cd/B28359_01/server.111/b28310/tables013.htm

361. Frage
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