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Oracle Certified Expert, Oracle Database SQL Infrastructure Administrators is not the most daunting Oracle certification exam, but it would be unsuccessful without training. It is also strongly advised that candidates study well by taking 1Z0-071 practice exams. Any queries left unanswered would be treated as wrong, so after examining 1Z0-071 dumps you can reply to all questions. Although you are not sure which alternative is the right one, label the best choice as your response so that any query shouldn’t be left as unanswered at 1Z0-071 dumps pdf. This course helps students to identify sub-quests, incorporate multi-questions with SET operators in a single query and report community functions on aggregate results. His chief audience are administrators, researchers, developers and system managers. The course teaches students how to observe key structural elements of Oracle database 12c, to collect data from tables in lines and columns, to manage schema objects, to produce SELECT statements, to use scalar and correlated sub-quests and much more. This course helps students to know how to perform Oracle Database 12c administrative and management related tasks. The audience includes the administrator, the administrator of the database. The course aims to instruct the candidate’s concepts of data competence and auditing, management of tablespaces and undo data, management of the Oracle Database 12c network connections, security and privileges, the understanding of the architecture of the oracle database, monitoring and implementation of the proactive data base instance.

Topics of Oracle 1Z0-071: Oracle Database SQL Exam

The Oracle 1Z0-071 dumps tests the abilities and knowledge of the candidates by checking the following objectives:

Relational Database concepts

• Explaining the theoretical and physical aspects of a relational database
• Relating clauses in SQL Select Statement to Components of an ERD
• Explaining the relationship between a database and SQL

Retrieving Data using the SQL SELECT Statement

• Using Column aliases
• Using Arithmetic expressions and NULL values in the SELECT statement
• Using The SQL SELECT statement
• Using concatenation operator, literal character strings, alternative quote operator, and the DISTINCT keyword

Restricting and Sorting Data

• Limiting Rows Returned in a SQL Statement
• Using the DEFINE and VERIFY commands
• Using Substitution Variables
• Applying Rules of precedence for operators in an expression
• Sorting Data

Using Single-Row Functions to Customize Output

• Manipulating dates with the date function
• Manipulating numbers with the ROUND, TRUNC and MOD functions
• Performing arithmetic with date data
• Manipulating strings with character functions in SQL SELECT and WHERE clauses

Using Conversion Functions and Conditional Expressions

• Understanding implicit and explicit data type conversion
• Nesting multiple functions
• Applying the NVL, NULLIF, and COALESCE functions to data
• Using the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions

Reporting Aggregated Data Using Group Functions

• Using Group Functions
• Restricting Group Results
• Creating Groups of Data

Displaying Data from Multiple Tables

• Using Self-joins
• Use of non-equijoins
• Using OUTER joins
• Understanding and Using Cartesian Products
• Using Various Types of Joins

Using Subqueries to Solve Queries

• Using Multiple Row Subqueries
• Using Single Row Subqueries
• Update and delete rows using correlated subqueries

Using SET Operators

• Using The MINUS operator
• Using The UNION and UNION ALL operators
• Using the ORDER BY clause in set operations
• Matching the SELECT statements
• Using The INTERSECT operator

Managing Tables using DML statements

• Perform Insert, Update and Delete operations
• Performing multi table Inserts
• Managing Database Transactions
• Performing Merge statements
• Controlling transactions

Managing Indexes Synonyms and Sequences

• Managing Sequences
• Managing Indexes
• Managing Synonyms

Use DDL to manage tables and their relationships

• Creating and using external tables
• Creating tables
• Describing and Working with Tables
• Managing Constraints
• Describing and Working with Columns and Data Types
• Truncating tables
• Creating and using Temporary Tables
• Dropping columns and setting columns UNUSED

Managing Views

• Distinguishing between granting privileges and roles
• Granting privileges on tables
• Controlling User Access
• Managing Views
• Differentiating system privileges from object privileges

Managing Objects with Data Dictionary Views

• Working with CURRENT_DATE, CURRENT_TIMESTAMP,and LOCALTIMESTAMP
• Using data dictionary views
• Managing Data in Different Time Zones
• Working with INTERVAL data types

 

NEW QUESTION 107
View the Exhibit and examine the structure of the ORDERS table.

You must select ORDER_ID and ORDER_DATE for all orders that were placed after the last order placed by CUSTOMER_ID 101.
Which query would give you the desired result?

• A. SELECT order_id, order_date FROM ordersWHERE order_date > ALL(SELECT MAX(order_date) FROM orders ) AND customer_id = 101;
• B. SELECT order_id, order_date FROM ordersWHERE order_date > ALL(SELECT order_date FROM orders WHERE customer_id = 101);
• C. SELECT order_id, order_date FROM ordersWHERE order_date >ANY(SELECT order_date FROM orders WHERE customer_id = 101);
• D. SELECT order_id, order_date FROM ordersWHERE order_date > IN(SELECT order_date FROM orders WHERE customer_id = 101);

Answer: B

 

NEW QUESTION 108
View the Exhibit and examine the structure of the ORDERS table.
Which UPDATE statement is valid?

• A. UPDATE ordersSET order_date = '12-mar-2007',AND order_total
  TO_NUMBER(NULL)WHERE order_id = 2455;
• B. UPDATE ordersSET order_date = '12-mar-2007',order_total = NULLWHERE order_id
  2455;
• C. UPDATE ordersSET order_date = TO_DATE('12-mar-2007','dd-mon-yyyy'),SET order_total = TO_NUMBER (NULL)WHERE order_id = 2455;
• D. UPDATE ordersSET order_date = '12-mar-2007',order_total IS NULLWHERE order_id
  = 2455;

Answer: B

 

NEW QUESTION 109
Examine the description of the CUSTOMERS table:

Which two SELECT statements will return these results:
CUSTOMER_ NAME
--------------------
Mandy
Mary

• A. SELECT customer_ name FROM customers WHERE customer_ name='*Ma*';
• B. SELECT customer_ name FROM customers WHERE customer name LIKE 'Ma%' ;
• C. SELECT customer_ name FROM customers WHERE customer_ name KIKE .*Ma*';
• D. SELECT customer_ name FROM customers WHERE UPPER (customer name) LIKE 'MA&';
• E. SELECT customer_ name FROM customers WHERE UPPER (customer_ name ) LIKE 'MA*. ;
• F. SELECT customer_ name FROM customers WHERE customer_ name LIKE ' % a % ' ;
• G. SELECT customer_ name FROM customers WHERE customer name LIKE 'Ma*';

Answer: B,F

 

NEW QUESTION 110
Which two statements are true regarding the EXISTS operator used in the correlated subqueries? (Choose two.)

• A. The outer query stops evaluating the result set of the inner query when the first value is found.
• B. The outer query continues evaluating the result set of the inner query until all the values in the result set are processed.
• C. It is used to test whether the values retrieved by the inner query exist in the result of the outer query.
• D. It is used to test whether the values retrieved by the outer query exist in the result set of the inner query.

Answer: A,D

Explanation:
Explanation
http://www.techonthenet.com/oracle/exists.php

 

NEW QUESTION 111
Examine this partial command:

Which two clauses are required for this command to execute successfully? (Choose two.)

• A. the DEFAULT DIRECTORYclause
• B. the REJECT LIMITclause
• C. the access driver TYPEclause
• D. the ACCESS PARAMETERSclause
• E. the LOCATIONclause

Answer: C,E

 

NEW QUESTION 112
Evaluate the following CRTEATE TABLE commands:
CREATE_TABLE orders
(ord_no NUMBER (2) CONSTRAINT ord_pk PRIMARY KEY,
ord_date DATE,
cust_id NUMBER (4) );
CREATE TABLE ord_items
(ord _no NUMBER (2),
item_no NUMBER(3),
qty NUMBER (3) CHECK (qty BETWEEEN 100 AND 200),
expiry_date date CHECK (expiry_date> SYSDATE),
CONSTRAINT it_pk PRIMARY KEY (ord_no, item_no),
CONSTARAINT ord_fk FOREIGN KEY (ord_no) REFERENCES orders (ord_no) );
Why would the ORD_ITEMS table not get created?

• A. The CHECK constraint cannot be placed on columns having the DATE data type.
• B. The BETWEEN clause cannot be used for the CHECK constraint.
• C. SYSDATE cannot be used with the CHECK constraint.
• D. ORD_NO and ITEM_NO cannot be used as a composite primary key because ORD_NO is also the FOREIGN KEY.

Answer: C

 

NEW QUESTION 113
View the exhibit and examine the ORDERStable.

The ORDERStable contains data and all orders have been assigned a customer ID. Which statement would add a NOTNULLconstraint to the CUSTOMER_IDcolumn?

• A. ALTER TABLE orders
  ADD customer_id NUMBER(6)CONSTRAINT orders_cust_id_nn NOT NULL;
• B. ALTER TABLE orders
  ADD CONSTRAINT orders_cust_id_nn NOT NULL (customer_id);
• C. ALTER TABLE orders
  MODIFY customer_id CONSTRAINT orders_cust_nn NOT NULL (customer_id);
• D. ALTER TABLE orders
  MODIFY CONSTRAINT orders_cust_id_nn NOT NULL (customer_id);

Answer: C

 

NEW QUESTION 114
View the Exhibit and examine the structures of the employees and departments tables.
You must update the employees table according to these requirements::
-Update only those employees who work in Boston or Seattle (locations 2900 and 2700).
-Set department_id for these employees to the department id corresponding to London (locationid 2100).
-Set the employees' salary in iocation_id 2100 to 1.1 times the average salary of their department.
-Set the employees' commission In location_id 2100 to 1.5 times the average commission of their department.
You issue this command:
What is the result?

• A. It executes successfully but does not produce the desired update.
• B. It generates an error because a subquery cannot have a join condition in an update statement.
• C. It generates an error because multiple columns cannot be specified together in an UPDATE statement.
• D. It executes successfully and produces the desired update.

Answer: A

 

NEW QUESTION 115
MANAGER is an existing role with no privileges or roles.
EMP is an existing role containing the CREATE TABLE privilege.
EMPLOYEES is an existing table in the HR schema.
Which two commands execute successfully?

• A. GRANT CREATE TABLE, SELECT ON hr. employees TO manager;
• B. GRANT CREATE ANY SESSION, CREATE ANY TABLE TO manager;
• C. GRANT CREATE TABLE, emp TO manager;
• D. GRANT CREATE SEQUENCE TO manager, emp;
• E. GRANT SELECT, INSERT ON hr.employees TO manager WITH GRANT OPTION:

Answer: C,D

 

NEW QUESTION 116
Which two are true about a SQL statement using SET operators such as UNION?

• A. The data type of each column returned by the second query must be implicitly convertible to the data type of the corresponding column returned by the first query.
• B. The names and number of columns must be identical for all SELECT statements in the query.
• C. The number, but not names, of columns must be identical for all SELECT statements in the query.
• D. The data type group of each column returned by the second query must match the data type group of the corresponding column returned by the first query.
• E. The data type of each column returned by the second query must exactly match the data type of the corresponding column returned by the first query.

Answer: D,E

 

NEW QUESTION 117
View the Exhibit and examine the structure of ORDERS and ORDER_ITEMS tables.
ORDER_ID is the primary key in the ORDERS table. It is also the foreign key in the ORDER_ITEMS table wherein it is created with the ON DELETE CASCADE option.
Which DELETE statement would execute successfully?

• A. DELETE order_idFROM ordersWHERE order_total < 1000;
• B. DELETEFROM ordersWHERE (SELECT order_idFROM order_items);
• C. DELETE orders o, order_items IWHERE o.order_id = i.order_id;
• D. DELETE ordersWHERE order_total < 1000;

Answer: B

 

NEW QUESTION 118
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. PUBLIC should be replaced with specific usernames.
• B. Separate GRANT statements are required for ORDERS and ORDER_ITEMS tables.
• C. ALL should be replaced with a list of specific privileges.
• D. WITH GRANT OPTION should be added to the statement.

Answer: B

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

 

NEW QUESTION 119
Which three are true about the CREATE TABLE command?

• A. It can include the CREATE...INDEX statement for creating an index to enforce the primary key constraint.
• B. A user must have the CREATE ANY TABLE privilege to create tables.
• C. The owner of the table should have space quota available on the tablespace where the table is defined.
• D. It implicitly executes a commit.
• E. It implicitly rolls back any pending transactions.
• F. The owner of the table must have the UNLIMITED TABLESPACE system privilege.

Answer: A,C,D

 

NEW QUESTION 120
View the exhibit and examine the data in ORDERS_MASTER and MONTHLY_ORDERS tables.
ORDERS_MASTER
ORDER_ID
ORDER_TOTAL
1
1000
2
2000
3
3000
4
MONTHLY_ORDERS
ORDER_ID
ORDER_TOTAL
2
2500
3
Evaluate the following MERGE statement:
MERGE_INTO orders_master o
USING monthly_orders m
ON (o.order_id = m.order_id)
WHEN MATCHED THEN
UPDATE SET o.order_total = m.order_total
DELETE WHERE (m.order_total IS NULL)
WHEN NOT MATCHED THEN
INSERT VALUES (m.order_id, m.order_total)
What would be the outcome of the above statement?

• A. The ORDERS_MASTER table would contain the ORDER_IDs 1 and 2.
• B. The ORDERS_MASTER table would contain the ORDER_IDs 1, 2 and 3.
• C. The ORDERS_MASTER table would contain the ORDER_IDs 1, 2 and 4.
• D. The ORDERS_MASTER table would contain the ORDER_IDs 1, 2, 3 and 4.

Answer: C

Explanation:
References:
https://docs.oracle.com/cd/B28359_01/server.111/b28286/statements_9016.htm

 

NEW QUESTION 121
Examine the structure of the ORDERS table: (Choose the best answer.)

You want to find the total value of all the orders for each year and issue this command:
SQL> SELECT TO_CHAR(order_date,'rr'), SUM(order_total) FROM orders
GROUP BY TO_CHAR(order_date, 'yyyy');
Which statement is true regarding the result?

• A. It executes successfully but gives the correct output.
• B. It return an error because the datatype conversion in the SELECT list does not match the data type conversion in the GROUP BY clause.
• C. It returns an error because the TO_CHAR function is not valid.
• D. It executes successfully but does not give the correct output.

Answer: B

 

NEW QUESTION 122
Table EMPLOYEES contains columns including EMPLOYEE_ID, JOB_ID and SALARY.
Only the EMPLOYEE_ID column is indexed.
Rows exist for employees 100 and 200.
Examine this statement:

Which two statements are true? (Choose two.)

• A. Employees 100 and 200 will have the same JOB_ID as before the update command
• B. Employees 100 will have JOB_ID set to the same value as the JOB_ID of employee 200
• C. Employee 200 will have SALARY set to the same value as the SALARY of employee 100
• D. Employees 100 and 200 will have the same SALARY as before the update command
• E. Employee 200 will have JOB_ID set to the same value as the JOB_ID of employee 100
• F. Employee 100 will have SALARY set to the same value as the SALARY of employee 200

Answer: B,F

 

NEW QUESTION 123
......

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