Oracle 1z1-071 Simulation Questions & 1z1-071 Real Dumps

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Oracle 1z1-071 Exam Syllabus Topics:

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

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Oracle Database SQL Sample Questions (Q116-Q121):

NEW QUESTION # 116
Sales data of a company is stored in two tables, SALES1and SALES2, with some data being duplicated across the tables. You want to display the results from the SALES1table, which are not present in the SALES2table.

Which set operator generates the required output?

A. UNION
B. INTERSECT
C. MINUS
D. PLUS
E. SUBTRACT

Answer: C

Explanation:
Explanation/Reference:
References:
https://docs.oracle.com/cd/B19306_01/server.102/b14200/queries004.htm

NEW QUESTION # 117
Evaluate the following SQL statement:

Which statement is true regarding the outcome of the above query?

A. It executes successfully and displays rows in the descending order of PROMO_CATEGORY.
B. It executes successfully but ignores the ORDER BYclause because it is not located at the end of the compound statement.
C. It produces an error because positional notation cannot be used in the ORDER BYclause with SET operators.
D. It produces an error because the ORDER BYclause should appear only at the end of a compound query- that is, with the last SELECTstatement.

Answer: D

NEW QUESTION # 118
Which two statements are true about views?

A. Views can be indexed.
B. Tables in the defining query of a view must always exist in order to create the view.
C. Views can be updated without the need to re-grant privileges on the view.
D. The with check clause prevents certain rows from being updated or inserted in the underlying table through the view.
E. The with check clause prevents certain rows from being displayed when querying the view.

Answer: C,D

NEW QUESTION # 119
The user SCOTT who is the owner of ORDERS and ORDER_ITEMS tables issues the following GRANT command:
GRANT ALL
ON orders, order_items
TO PUBLIC;
What correction needs to be done to the above statement?

A. Separate GRANT statements are required for ORDERS and ORDER_ITEMS tables.
B. ALL should be replaced with a list of specific privileges.
C. PUBLIC should be replaced with specific usernames.
D. WITH GRANT OPTION should be added to the statement.

Answer: A

Explanation:
Explanation
References:
http://docs.oracle.com/javadb/10.8.3.0/ref/rrefsqljgrant.html

NEW QUESTION # 120
Evaluate these commands which execute successfully:

Which two statements are true about the ORD_ITEMStable and the ORD_SEQsequence? (Choose two.)

A. If sequence ORD_SEQis dropped then the default value for column ORD_NOwill be NULL for rows inserted into ORD_ITEMS.
B. Column ORD_NOgets the next number from sequence ORD_SEQwhenever a row is inserted into ORD_ITEMSand no explicit value is given for ORD_NO.
C. Sequence ORD_SEQcycles back to 1 after every 5000 numbers and can cycle 20 times.
D. Any user inserting rows into table ORD_ITEMSmust have been granted access to sequence ORD_SEQ.
E. Sequence ORD_SEQis guaranteed not to generate duplicate numbers.

Answer: B,D

NEW QUESTION # 121
......

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