Quizzuri Oracle

SQL Programming #15

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Oracle Database Programming with SQL Section 15

1.         Regular expressions used as check constraints are another way to ensure data is formatted correctly prior to being written into the database table. True or False?
♦True (*)
♦False
2.         Regular expressions are a method of describing both simple and complex patterns for searching and manipulating. True or False?
♦True (*)
♦False
3.         REGULAR EXPRESSIONS can be used as part of a contraint definition. (True or False?)
♦True (*)
♦False
4.         A role can be granted to another role. True or False?
♦True (*)
♦False
5.         Which of the following simplifies the administration of privileges?
♦A role (*)
♦A trigger
♦An index
♦A view
6.         Which keyword would you use to grant an object privilege to all database users?
♦ADMIN
♦PUBLIC (*)
♦ALL
♦USERS
7.         User CRAIG creates a view named INVENTORY_V, which is based on the INVENTORY table. CRAIG wants to make this view available for querying to all database users. Which of the following actions should CRAIG perform?
♦He is not required to take any action because, by default, all database users can automatically access views.
♦He must grant each user the SELECT privilege on both the INVENTORY table and INVENTORY_V view.
♦He should assign the SELECT privilege to all database users for INVENTORY_V view. (*)
♦He should assign the SELECT privilege to all database users for the INVENTORY table.
8.         If you are granted privileges to your friend’s object, by default you may also grant access to this same object to other users. True or False?
♦True
♦False (*)
9.         Which data dictionary view shows which system privileges have been granted to a user?
♦USER_SYSTEM_PRIVS
♦USER_TAB_PRIVS
♦USER_SYS_PRIVS (*)
♦USER_SYSTEM_PRIVILEGES
10.       A Schema is a collection of Objects such as Tables, Views, and Sequences. True or False?
♦True (*)
♦False
11.       The database administrator wants to allow user Marco to create new tables in his own schema. Which privilege should be granted to Marco?
♦CREATE OBJECT
♦CREATE ANY TABLE
♦CREATE TABLE (*)
♦SELECT
12.       You are the database administrator. You want to create a new user JONES with a password of MARK, and allow this user to create his own tables. Which of the following should you execute?
            ♦CREATE USER jones IDENTIFIED BY mark;
GRANT CREATE SESSION TO jones;
            ♦CREATE USER jones IDENTIFIED BY mark;
GRANT CREATE SESSION TO jones;
GRANT CREATE TABLE TO jones;
(*)
            ♦CREATE USER jones IDENTIFIED BY mark;
GRANT CREATE TABLE TO jones;
            ♦GRANT CREATE SESSION TO jones;
GRANT CREATE TABLE TO jones;
13.       Which Object Privilege (other than Alter) can be granted to a Sequence?
♦INSERT
♦DELETE
♦UPDATE
♦SELECT (*)
14.       Object privileges are:
♦Required to gain access to the database.
♦Required to manipulate the content of objects in the database. (*)
♦Named groups of related privileges given to a user.
♦A collection of objects, such as tables, views, and sequences.
15.       The following table shows some of the output from one of the data dictionary views. Which view is being queried?
USERNAME    PRIVILEGE     ADMIN_OPTION
USCA_ORACLE_SQL01_S08            CREATE          VIEW NO
USCA_ORACLE_SQL01_S08            CREATE          TABLE NO
USCA_ORACLE_SQL01_S08            CREATE          SYNONYM NO
USCA_ORACLE_SQL01_S08            CREATE          TRIGGER NO
USCA_ORACLE_SQL01_S08            CREATE          SEQUENCE NO
USCA_ORACLE_SQL01_S08            CREATE          DATABASE NO♦user_tab_privs_recd (lists object privileges granted to the user)
♦role_sys_privs (lists system privileges granted to roles)
♦role_tab_privs (lists table privileges granted to roles)
♦user_sys_privs (lists system privileges granted to the user) (*)

16.         Which of the following best describes a role in an Oracle database?
♦A role is a type of system privilege.
♦A role is a name for a group of privileges. (*)
♦A role is the part that a user plays in querying the database.
♦A role is an object privilege which allows a user to update a table.
17.         A schema is:
♦A named group of related privileges given to a user.
♦A collection of objects, such as tables, views, and sequences. (*)
♦Required to gain access to the database.
♦Required to manipulate the content of objects in the database.
18.         System privileges are:
♦Required to manipulate the content of objects in the database.
♦Named groups of related privileges given to a user.
♦Required to gain access to the database. (*)
♦A collection of objects, such as tables, views, and sequences.
19.         You grant user AMY the CREATE SESSION privilege. Which type of privilege have you granted to AMY?
♦A user privilege
♦An object privilege
♦An access privilege
♦A system privilege (*)
20.         User ADAM has successfully logged on to the database in the past, but today he receives an error message stating that (although he has entered his password correctly) he cannot log on. What is the most likely cause of the problem?
♦One or more object privileges have been REVOKEd from Adam.
♦ADAM’s user account has been removed from the database.
♦ADAM’s CREATE USER privilege has been revoked.
♦ADAM’s CREATE SESSION privilege has been revoked. (*)
21.         Which of the following are system privileges?
(Choose two)      (Choose all correct answers)
♦INDEX
♦UPDATE
♦CREATE TABLE (*)
♦CREATE SYNONYM (*)
22.         _________________ are special characters that have a special meaning, such as a wildcard character, a repeating character, a non-matching character, or a range of characters. You can use several of these symbols in pattern matching.
♦Reference checks
♦Clip Art
♦Alphanumeric values
♦Meta characters (*)
23.         Regular expressions used as check constraints are another way to ensure data is formatted correctly prior to being written into the database table. True or False?
♦True (*)
♦False
24.         REGULAR EXPRESSIONS does exactly the same as LIKE–no more and no less. (True or False?)
♦True
♦False (*)
25.       A role can be granted to another role. True or False?
♦True (*)
♦False
26.       Which of the following best describes the purpose of the REFERENCES object privilege on a table?
♦It allows the user to create new tables which contain the same data as the referenced table.
♦It allows a user’s session to read from the table but only so that foreign key constraints can be checked.
♦It allows a user to refer to the table in a SELECT statement.
♦It allows a user to create foreign key constraints on the table. (*)
27.       When a user is logged into one database, he is restricted to working with objects found in that database. True or False?
♦True
♦False (*)
28.       What Oracle feature simplifies the process of granting and revoking privileges?
♦Object
♦Data dictionary
♦Role (*)
♦Schema
29.       Which of the following statements about granting object privileges is false?
            ♦Object privileges can only be granted through roles. (*)
            ♦An object owner can grant any object privilege on the object to any other user or role of the database.
            ♦To grant privileges on an object, the object must be in your own schema, or you must have been granted the object privileges WITH GRANT OPTION.
            ♦The owner of an object automatically acquires all object privileges on that object.
30.       When granting an object privilege, which option would you include to allow the grantee to grant the privilege to another user?
♦WITH GRANT OPTION (*)
♦WITH ADMIN OPTION
♦PUBLIC
♦FORCE
31.         Which of the following best describes a role in an Oracle database?
♦A role is a name for a group of privileges. (*)
♦A role is a type of system privilege.
♦A role is an object privilege which allows a user to update a table.
♦A role is the part that a user plays in querying the database.
32.         Which of the following are system privileges?
(Choose two)    (Choose all correct answers)
♦CREATE SYNONYM (*)
♦UPDATE
♦CREATE TABLE (*)
♦INDEX
33.         User ADAM has successfully logged on to the database in the past, but today he receives an error message stating that (although he has entered his password correctly) he cannot log on. What is the most likely cause of the problem?
♦ADAM’s CREATE USER privilege has been revoked.
♦One or more object privileges have been REVOKEd from Adam.
♦ADAM’s user account has been removed from the database.
♦ADAM’s CREATE SESSION privilege has been revoked. (*)
34.         Which of the following are object privileges? (Choose two)     (Choose all correct answers)
♦CREATE TABLE
♦INSERT (*)
♦SELECT (*)
♦DROP TABLE
35.         By Controlling User Access with Oracle Database Security, you can give access to specific Objects in the Database. True or False?
♦True (*)
♦False
36.         User JAMES has created a CUSTOMERS table and wants to allow all other users to SELECT from it. Which command should JAMES use to do this?
♦CREATE PUBLIC SYNONYM customers FOR james.customers;
♦GRANT SELECT ON customers TO ALL;
♦GRANT SELECT ON customers TO PUBLIC; (*)
♦GRANT customers(SELECT) TO PUBLIC;
37.         Parentheses are not used to identify the sub expressions within the expression. True or False?
♦True
♦False (*)
38.         REGULAR EXPRESSIONS can be used on CHAR, CLOB, and VARCHAR2 datatypes? (True or False)
♦True (*)
♦False
39.         REGULAR EXPRESSIONS does exactly the same as LIKE–no more and no less. (True or False?)
♦True
♦False (*)
40.       Roles are:
♦Required to gain access to the database.
♦Named groups of related privileges given to a user or another role. (*)
♦A collection of objects, such as tables, views, and sequences.
♦Required to manipulate the content of objects in the database.
41.       Which data dictionary view shows which system privileges have been granted to a user?
♦USER_SYS_PRIVS (*)
♦USER_SYSTEM_PRIVS
♦USER_SYSTEM_PRIVILEGES
♦USER_TAB_PRIVS
42.       Which statement would you use to remove an object privilege granted to a user?
♦ALTER USER
♦REMOVE
♦DROP
♦REVOKE (*)
43.       You need to grant user BOB SELECT privileges on the EMPLOYEES table. You want to allow BOB to grant this privileges to other users. Which statement should you use?
♦GRANT SELECT ON employees TO bob;
♦GRANT SELECT ON employees TO bob WITH ADMIN OPTION;
♦GRANT SELECT ON employees TO bob WITH GRANT OPTION; (*)
♦GRANT SELECT ON employees TO PUBLIC WITH GRANT OPTION;
44.       If you are granted privileges to your friend’s object, by default you may also grant access to this same object to other users. True or False?
♦True
♦False (*)
45.       User BOB’s schema contains an EMPLOYEES table. BOB executes the following statement:
GRANT SELECT ON employees TO mary WITH GRANT OPTION;
Which of the following statements can MARY now execute successfully? (Choose two)
(Choose all correct answers)
♦DROP TABLE bob.employees;
♦GRANT SELECT ON bob.employees TO PUBLIC; (*)
♦REVOKE SELECT ON bob.employees FROM bob;
♦SELECT FROM bob.employees; (*)
46.         REGULAR EXPRESSIONS can be used as part of a contraint definition. (True or False?)
♦True (*)
♦False
47.         Select the correct REGULAR EXPRESSION functions: (Choose two)   (Choose all correct answers)
♦REGEXP_INSTR, REGEXP_SUBSTR (*)
♦REGEXP_LIKE, REGEXP_NEAR
♦REGEXP_LIKE, REGEXP_REPLACE (*)
♦REGEXP_REPLACE, REGEXP_REFORM
48.         Which of these SQL functions used to manipulate strings is NOT a valid regular expression function ?
♦REGEXP_LIKE
♦REGEXP (*)
♦REGEXP_REPLACE
♦REGEXP_SUBSTR
49.         By Controlling User Access with Oracle Database Security, you can give access to specific Objects in the Database. True or False?
♦True (*)
♦False
50.         You want to grant privileges to user CHAN that will allow CHAN to update the data in the EMPLOYEES table. Which type of privileges will you grant to CHAN?
♦User privileges
♦Administrator privileges
♦System privileges
♦Object privileges (*)
51.         Which of the following privileges must be assigned to a user account in order for that user to connect to an Oracle database?
♦ALTER SESSION
♦OPEN SESSION
♦CREATE SESSION (*)
♦RESTRICTED SESSION
52.         The following table shows some of the output from one of the data dictionary views. Which view is being queried?
USERNAME    PRIVILEGE     ADMIN_OPTION
USCA_ORACLE_SQL01_S08            CREATE          VIEW NO
USCA_ORACLE_SQL01_S08            CREATE          TABLE NO
USCA_ORACLE_SQL01_S08            CREATE          SYNONYM NO
USCA_ORACLE_SQL01_S08            CREATE          TRIGGER NO
USCA_ORACLE_SQL01_S08            CREATE          SEQUENCE NO
USCA_ORACLE_SQL01_S08            CREATE          DATABASE NO♦user_sys_privs (lists system privileges granted to the user) (*)
♦role_tab_privs (lists table privileges granted to roles)
♦user_tab_privs_recd (lists object privileges granted to the user)
♦role_sys_privs (lists system privileges granted to roles)

53.         Which of the following best describes a role in an Oracle database?
♦A role is the part that a user plays in querying the database.
♦A role is a type of system privilege.
♦A role is an object privilege which allows a user to update a table.
♦A role is a name for a group of privileges. (*)
54.         You create a view named EMPLOYEES_VIEW on a subset of the EMPLOYEES table. User AUDREY needs to use this view to create reports. Only you and Audrey should have access to this view. Which of the following actions should you perform?
♦GRANT SELECT ON employees AND employees_view TO audrey;
♦GRANT SELECT ON employees_view TO public;
♦GRANT SELECT ON employees_view TO audrey; (*)
♦Do nothing. As a database user, Audrey’s user account has automatically been granted the SELECT privilege for all database objects.
55.       User CRAIG creates a view named INVENTORY_V, which is based on the INVENTORY table. CRAIG wants to make this view available for querying to all database users. Which of the following actions should CRAIG perform?
♦He should assign the SELECT privilege to all database users for the INVENTORY table.
♦He should assign the SELECT privilege to all database users for INVENTORY_V view. (*)
♦He is not required to take any action because, by default, all database users can automatically access views.
♦He must grant each user the SELECT privilege on both the INVENTORY table and INVENTORY_V view.
56.       Scott King owns a table called employees. He issues the following statement:
GRANT select ON employees TO PUBLIC;
Allison Plumb has been granted CREATE SESSION by the DBA. She logs into the database and issues the following statement:
GRANT ?select ON ?scott_king.employees TO jennifer_cho;
True or False: Allison’s statement will fail.
♦True (*)
♦False
57.       A role can be granted to another role. True or False?
♦True (*)
♦False
58.       Which of the following statements about granting object privileges is false?
♦Object privileges can only be granted through roles. (*)
♦An object owner can grant any object privilege on the object to any other user or role of the database.
♦To grant privileges on an object, the object must be in your own schema, or you must have been granted the object privileges WITH GRANT OPTION.
♦The owner of an object automatically acquires all object privileges on that object.
59.       Which keyword would you use to grant an object privilege to all database users?
♦ALL
♦PUBLIC (*)
♦ADMIN
♦USERS
60.       When a user is logged into one database, he is restricted to working with objects found in that database. True or False?
♦True
♦False (*)
61.         A Schema is a collection of Objects such as Tables, Views, and Sequences. True or False?
♦True (*)
♦False
62.         Which Object Privilege (other than Alter) can be granted to a Sequence?
♦INSERT
♦UPDATE
♦DELETE
♦SELECT (*)
63.         The following table shows some of the output from one of the data dictionary views. Which view is being queried?
USERNAME    PRIVILEGE     ADMIN_OPTION
USCA_ORACLE_SQL01_S08            CREATE          VIEW NO
USCA_ORACLE_SQL01_S08            CREATE          TABLE NO
USCA_ORACLE_SQL01_S08            CREATE          SYNONYM NO
USCA_ORACLE_SQL01_S08            CREATE          TRIGGER NO
USCA_ORACLE_SQL01_S08            CREATE          SEQUENCE NO
USCA_ORACLE_SQL01_S08            CREATE          DATABASE NO♦role_sys_privs (lists system privileges granted to roles)
♦user_sys_privs (lists system privileges granted to the user) (*)
♦role_tab_privs (lists table privileges granted to roles)
♦user_tab_privs_recd (lists object privileges granted to the user)

64.         What system privilege must be held in order to login to an Oracle database?
♦CREATE LOGIN
♦CREATE SESSION (*)
♦CREATE LOGON
♦No special privilege is needed; if your username exists in the database, you can login.
65.         Which of the following best describes a role in an Oracle database?
♦A role is an object privilege which allows a user to update a table.
♦A role is a name for a group of privileges. (*)
♦A role is a type of system privilege.
♦A role is the part that a user plays in querying the database.
66.         Which of the following Object Privileges can be granted on an individual column on a table? (Choose two)       (Choose all correct answers)
♦Delete
♦Select
♦Update (*)
♦References (*)
67.         REGULAR EXPRESSIONS can be used on CHAR, CLOB, and VARCHAR2 datatypes? (True or False)
♦True (*)
♦False
68.         Parentheses are not used to identify the sub expressions within the expression. True or False?
♦True
♦False (*)
69.         REGULAR EXPRESSIONS does exactly the same as LIKE–no more and no less. (True or False?)
♦True
♦False (*)
70.       Which of the following best describes the purpose of the REFERENCES object privilege on a table?
♦It allows a user to create foreign key constraints on the table. (*)
♦It allows a user to refer to the table in a SELECT statement.
♦It allows a user’s session to read from the table but only so that foreign key constraints can be checked.
♦It allows the user to create new tables which contain the same data as the referenced table.
71.       User CRAIG creates a view named INVENTORY_V, which is based on the INVENTORY table. CRAIG wants to make this view available for querying to all database users. Which of the following actions should CRAIG perform?
♦He should assign the SELECT privilege to all database users for the INVENTORY table.
♦He is not required to take any action because, by default, all database users can automatically access views.
♦He must grant each user the SELECT privilege on both the INVENTORY table and INVENTORY_V view.
♦He should assign the SELECT privilege to all database users for INVENTORY_V view. (*)
72.       Which statement would you use to remove an object privilege granted to a user?
♦DROP
♦REMOVE
♦REVOKE (*)
♦ALTER USER
73.       Roles are:
♦Named groups of related privileges given to a user or another role. (*)
♦A collection of objects, such as tables, views, and sequences.
♦Required to gain access to the database.
♦Required to manipulate the content of objects in the database.
74.       Which of the following statements about granting object privileges is false?
♦An object owner can grant any object privilege on the object to any other user or role of the database.
♦The owner of an object automatically acquires all object privileges on that object.
♦Object privileges can only be granted through roles. (*)
♦To grant privileges on an object, the object must be in your own schema, or you must have been granted the object privileges WITH GRANT OPTION.
75.       Which statement would you use to grant a role to users?
♦ASSIGN
♦ALTER USER
♦CREATE USER
♦GRANT (*)

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