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Oracle 1z0-071 Exam Syllabus Topics:

Section	Objectives
Topic 1: SQL Retrieval	- SELECT statements and filtering data 1. ORDER BY and row limiting 2. WHERE clause and conditions - Joins and set operations 1. INNER, OUTER, CROSS joins 2. UNION, INTERSECT, MINUS
Topic 2: Subqueries and Advanced SQL	- Correlated subqueries and nested queries - Single-row and multi-row subqueries
Topic 3: Data Manipulation and Schema Objects	- DDL operations 1. CREATE, ALTER, DROP tables and constraints - DML operations 1. INSERT, UPDATE, DELETE, MERGE
Topic 4: SQL Functions	- Single-row functions 1. Character, numeric, date functions - Conversion and conditional functions 1. TO_CHAR, TO_NUMBER, CASE expressions
Topic 5: Relational Database Concepts	- Tables, rows, columns, and relational model basics - Data types and database objects overview

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Oracle Database SQL 1z0-071 Prüfungsfragen mit Lösungen (Q173-Q178):

173. Frage
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 second ROLLBACK command does nothing.
D. The second ROLLBACK command undoes the insert.
E. The first ROLLBACK command restores the 101 rows that were deleted and commits the inserted row.

Antwort: B,D

174. Frage
Which normal form is a table in if it has no multi-valued attributes and no partial dependencies?

A. First normal form
B. Fourth normal form
C. Second normal form
D. Third normal form

Antwort: C

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

Antwort: B

176. Frage
Examine the structure of the EMPLOYEES table.

You must display the details of employees who have manager with MANAGER_ID 100, who were hired in the past 6 months and who have salaries greater than 10000.
Which query would retrieve the required result?

A. SELECT last_name, hire_date, salary
FROM employees
WHERE manager_id = (SELECT employee_id FROM employees WHERE employee_id = 100) UNION ALL (SELECT last_name, hire_date, salary FROM employees WHERE hire_date > SYSDATE -180 INTERSECT SELECT last_name, hire_date, salary FROM employees WHERE salary > 10000);
B. SELECT last_name, hire_date, salary
FROM employees
WHERE manager_id = (SELECT employee_id FROM employees WHERE employee_id = '100') UNION SELECT last_name, hire_date, salary FROM employees WHERE hire_date > SYSDATE -180 INTERSECT SELECT last_name, hire_date, salary FROM employees WHERE salary > 10000;
C. (SELECT last_name, hire_date, salary
FROM employees
WHERE salary > 10000
UNION ALL
SELECT last_name, hire_date, salary
FROM employees
WHERE manager_ID = (SELECT employee_id FROM employees WHERE employee_id = 100)) UNION SELECT last_name, hire_date, salary FROM employees WHERE hire_date > SYSDATE -180;
D. SELECT last_name, hire_date, salary
FROM employees
WHERE salary > 10000
UNION ALL
SELECT last_name, hire_date, salary
FROM employees
WHERE manager_ID = (SELECT employee_id FROM employees WHERE employee_id = 100) INTERSECT SELECT last_name, hire_date, salary FROM employees WHERE hire_date > SYSDATE- 180;

Antwort: B

177. Frage
View the Exhibit and examine the structure of the SALES and PRODUCTS tables. (Choose two.)

In the SALES table, PROD_ID is the foreign key referencing PROD_ID in the PRODUCTS table. You must list each product ID and the number of times it has been sold.
Examine this query which is missing a JOIN operator:
SQL > SELECT p.prod_id, count(s.prod_id)
FROM products p ______________ sales s
ON p.prod_id = s.prod_id
GROUP BY p.prod_id;
Which two JOIN operations can be used to obtain the required output?

A. RIGHT OUTER JOIN
B. LEFT OUETR JOIN
C. FULL OUTER JOIN
D. JOIN

Antwort: B,C

178. Frage
......

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