Oracle 1z0-071 Exam Review Questions – Updated 2018
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Latest and Most Accurate Oracle 1z0-071 Dumps Exam Questions and Answers:
View the Exhibit for the structure of the STUDENT and FACULTY tables.
You need to display the faculty name followed by the number of students handled by the faculty at the base location. Examine the following two SQL statements:
Which statement is true regarding the outcome?
A. Only statement 1 executes successfully and gives the required result.
B. Only statement 2 executes successfully and gives the required result.
C. Both statements 1 and 2 execute successfully and give different results.
D. Both statements 1 and 2 execute successfully and give the same required result.
View the Exhibit and examine PRODUCTS and ORDER_ITEMS tables.
You executed the following query to display PRODUCT_NAME and the number of times the product has been ordered:
SELECT p.product_name, i.item_cnt
FROM (SELECT product_id, COUNT (*) item_cnt
GROUP BY product_id) i RIGHT OUTER JOIN products p
ON i.product_id = p.product_id;
What would happen when the above statement is executed?
A. The statement would execute successfully to produce the required output.
B. The statement would not execute because inline views and outer joins cannot be used together.
C. The statement would not execute because the ITEM_CNT alias cannot be displayed in the outer query.
D. The statement would not execute because the GROUP BY clause cannot be used in the inline view.
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Which statement is true regarding external tables?
A. The default REJECT LIMIT for external tables is UNLIMITED.
B. The data and metadata for an external table are stored outside the database.
C. ORACLE_LOADER and ORACLE_DATAPUMP have exactly the same functionality when used with an external table.
D. The CREATE TABLE AS SELECT statement can be used to unload data into regular table in the database from an external table.
Which two statements are true about Data Manipulation Language (DML) statements?
A. AH INSERT INTO. . .VALUES. . statement can add multiple rows per execution to a table.
B. An UPDATE…SET… statement can modify multiple rows based on multiple conditions on a table.
C. A DELETE FROM ….. statement can remove rows based on only a single condition on a table.
D. An INSERT INTO…VALUES….. statement can add a single row based on multiple conditions on a table.
E. A DELETE FROM….. statement can remove multiple rows based on multiple conditions on a table.
F. An UPDATE…SET…. statement can modify multiple rows based on only a single condition on a table.
Which two statements are true regarding roles? (Choose two.)
A. A role can be granted to itself.
B. A role can be granted to PUBLIC.
C. A user can be granted only one role at any point of time.
D. The REVOKE command can be used to remove privileges but not roles from other users.
E. Roles are named groups of related privileges that can be granted to users or other roles.
Which two statements are true regarding constraints? (Choose two.)
A. A foreign key cannot contain NULL values.
B. A column with the UNIQUE constraint can contain NULL.
C. A constraint is enforced only for the INSERT operation on a table.
D. A constraint can be disabled even if the constraint column contains data.
E. All the constraints can be defined at the column level as well as the table level