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Oracle 1z0-071 Exam Syllabus Topics:

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

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Oracle Database SQL Sample Questions (Q296-Q301):

NEW QUESTION # 296
Which three statements are true about performing DML operations on a view with no INSTEAD OF triggers defined?

A. Views cannot be used to add rows to an underlying table If the table has columns with NOT NULL constraints lacking default values which are not referenced in the defining query of the view.
B. Views cannot be used to query rows from an underlying table if the table has a PRIMARY KEY and the primary key columns are not referenced in the defining query of the view.
C. Delete statements can always be done on a table through a view.
D. The WITH CHECK clause has no effect when deleting rows from the underlying table through the view.
E. Insert statements can always be done on a table through a view.
F. Views cannot be used to add or modify rows in an underlying table If the defining query of the view contains the DISTINCT keyword.

Answer: A,B,F

NEW QUESTION # 297
Examine the structure of the BOOKS_TRANSACTIONS table:

Examine the SQL statement:

Which statement is true about the outcome?

A. It displays details for members who have borrowed before today's date with either RM as TRANSACTION_TYPE or MEMBER_ID as A101 and A102.
B. It displays details for members who have borrowed before today with RM as TRANSACTION_TYPE and the details for members A101 or A102.
C. It displays details for only members A101 and A102 who have borrowed before today with RM TRANSACTION_TYPE.
D. It displays details only for members who have borrowed before today with RM as TRANSACTION_TYPE.

Answer: B

NEW QUESTION # 298
In which three situations does a transaction complete?

A. When a data definition language (DDL) statement is executed
B. When a TRUNCATE statement is executed after the pending transaction
C. When a PL/SQL anonymous block is executed
D. When a ROLLBACK command is executed
E. When a DELETE statement is executed

Answer: A,B,D

NEW QUESTION # 299
Examine this partial statement:
SELECT ename, sal,comm FROM emp
Now examine this output:

WHICH ORDER BY clause will generate the displayed output?

A. ORDER BY NVL(comm,0) ASC NULLS LAST, ename
B. ORDER BY comm DESC NULLS LAST, ename
C. ORDER BY NVL(comm,0) ASC NULLS FIRST, ename
D. ORDER BY NVL(enam,0) DESC, ename

Answer: B,D

NEW QUESTION # 300
Which two statements cause changes to the data dictionary?

A. DELETE FROM scott. emp;
B. GRANT UPDATE ON scott. emp TO fin manager;
C. AITER SESSION set NLs. _DATE FORMAT = 'DD/MM/YYYY';
D. SELECT * FROM user_ tab._ privs;
E. TRUNCATE TABLE emp:

Answer: B,E

Explanation:
The data dictionary is a read-only set of tables that provides information about the database. Certain operations that modify the database structure will cause changes to the data dictionary:
* Option B: GRANT UPDATE ON scott.emp TO fin_manager;
* Granting privileges on a table will change the data dictionary as it records the new privilege.
* Option D: TRUNCATE TABLE emp;
* Truncating a table affects the data dictionary because it removes all rows from a table and may also reset storage parameters.
Options A, C, and E do not cause changes to the data dictionary:
* Option A is incorrect because the DELETE command modifies data, not the data dictionary structure.
* Option C is incorrect because altering a session parameter does not change the data dictionary; it is a temporary change for the session.
* Option E is incorrect because a SELECT query does not change the database, it just retrieves information.

NEW QUESTION # 301
......

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