Free Access Oracle.1z0-071.v2022-09-21.q298 Practice Test (Page 33)

Question 156

Which two statements are true? (Choose two.)

A.The USER SYNONYMS view can provide information about private synonyms.

B.The user SYSTEM owns all the base tables and user-accessible views of the data dictionary.

C.The USER OBJECTS view can provide information about the tables and views created by the user only.

D.All the dynamic performance views prefixed with V$ are accessible to all the database users.

E.DICTIONARY is a view that contains the names of all the data dictionary views that the user can access.

Question 157

The first DROP operation is performed on PRODUCTS table using the following command:
DROP TABLE products PURGE;
Then you performed the FLASHBACK operation by using the following command:
FLASHBACK TABLE products TO BEFORE DROP;
Which statement describes the outcome of the FLASHBACK command?

A.It recovers only the table structure.

B.It recovers the table structure, data, and the indexes.

C.It recovers the table structure and data but not the related indexes.

D.It is not possible to recover the table structure, data, or the related indexes.

Question 158

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 ANY SESSION, CREATE ANY TABLE TO manager;

B.GRANT SELECT, INSERT ON hr.employees TO manager WITH GRANT OPTION:

C.GRANT CREATE SEQUENCE TO manager, emp;

D.GRANT CREATE TABLE, emp TO manager;

E.GRANT CREATE TABLE, SELECT ON hr. employees TO manager;

Question 159

Which three statements are correct regarding indexes? (Choose three.)

A.A non-deferrable PRIMARY KEY or UNIQUE KEY constraint in a table automatically attempts to create a unique index.

B.Indexes should be created on columns that are frequently referenced as part of any expression.

C.When a table is dropped, corresponding indexes are automatically dropped.

D.For each DML operation performed on a table, the corresponding indexes are automatically updated if required.

Question 160

Which statement will execute successfully?

A.SELECT 1 FROM DUAL
UNION
SELECT 2 FROM DUAL
ORDER BY 1, 2;

B.SELECT 1, 2 FROM DUAL
UNION
SELECT 3, 4 FROM DUAL
ORDER BY 3, 4;

C.SELECT 3 FROM DUAL
UNION
SELECT 4 FROM DUAL
ORDER BY 3 ;

D.SELECT 1, 2 FROM DUAL
UNION
SELECT 3, 4 FROM DUAL
ORDER BY 1, 2;

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Question 156

Question 157

Question 158

Question 159

Question 160

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