单选题The user Alice wants to grant all users query privileges on her DEPT table. Which SQL statement accomplishes this?()AGRANT select ON dept TO ALL_ USER;BGRANT select ON dept TO ALL;CGRANT QUERY ON dept TO ALL_USERSDGRANT select ON dept TO PUBLIC;

单选题
The user Alice wants to grant all users query privileges on her DEPT table. Which SQL statement accomplishes this?()
A

GRANT select ON dept TO ALL_ USER;

B

GRANT select ON dept TO ALL;

C

GRANT QUERY ON dept TO ALL_USERS

D

GRANT select ON dept TO PUBLIC;


参考解析

解析: 暂无解析

相关考题:

The user Alice wants to grant all users query privileges on her DEPT table. Which SQL statement accomplishes this? () A. GRANT select ON dept TO ALL_ USER;B. GRANT select ON dept TO ALL;C. GRANT QUERY ON dept TO ALL_USERSD. GRANT select ON dept TO PUBLIC;

The user Sue issues this SQL statement:GRANT SELECT ON sue. EMP TO alice WITH GRANT OPTION; The user Alice issues this SQL statement:GRANT SELECT ON sue. EMP TO reena WITH GRANT OPTION; The user Reena issues this SQL statement:GRANT SELECT ON sue. EMP TO timber;The user Sue issues this SQL statement:REVOKE select on sue. EMP FROM alice;For which users does the revoke command revoke SELECT privileges on the SUE.EMP table?()A. Alice onlyB. Alice and ReenaC. Alice, Reena, and TimberD. Sue, Alice, Reena, and Timber

The DBA issues this SQL command:CREATE USER scottIDENTIFIES by tiger;What privileges does the user Scott have at this point? () A. No privileges.B. Only the SELECT privilege.C. Only the CONNECT privilege.D. All the privileges of a default user.

When should you create a role? () A. To simplify the process of creating new users using the CREATE USER xxx IDENTIFIED by yyy statement.B. To grant a group of related privileges to a user.C. When the number of people using the database is very high.D. To simplify the process of granting and revoking privileges.E. To simplify profile maintenance for a user who is constantly traveling.

The DBA issues this SQL command:What privileges does the user Scott have at this point?() A. No privileges.B. Only the SELECT privilege.C. Only the CONNECT privilege.D. All the privileges of a default user.

Which three statements are true about the working of system privileges in a multitenant control database(CDB) that has pluggable databases (PDBs)?() A. System privileges apply only to the PDB in which they are used.B. Local users cannot use local system privileges on the schema of a common user.C. The granter of system privileges must possess the set container privilege.D. Common users connected to a PDB can exercise privileges across other PDBs.E. System privileges with the with grant option container all clause must be granted to a common user before the common user can grant privileges to other users.

Which of the following statements is used to revoke all DML privileges on table EMPLOYEE from user TOM?() A.REVOKE ALL PRIVILEGES FROM USER tomB.REVOKE ALL ON EMPLOYEE FROM USER tomC.REVOKE EXECUTE ON EMPLOYEE FROM USER tomD.REVOKE PRIVILEGES ON EMPLOYEE FROM USER tom

The user SCOTT who is the owner of ORDERS and ORDERJTEMS 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、 ALL should be replaced with a list of specific privileges.C、 WITH GRANT OPTION should be added to the statement.D、 Separate GRANT statements are required for ORDERS and ORDERJTEMS tables.

What is true about the WITH GRANT OPTION clause?()A、It allows a grantee DBA privileges.B、It is required syntax for object privileges.C、It allows privileges on specified columns of tables.D、It is used to grant an object privilege on a foreign key column.E、It allows the grantee to grant object privileges to other users and roles.

The user Alice wants to grant all users query privileges on her DEPT table. Which SQL statement accomplishes this? ()A、GRANT select ON dept TO ALL_ USER;B、GRANT select ON dept TO ALL;C、GRANT QUERY ON dept TO ALL_USERSD、GRANT select ON dept TO PUBLIC;

The database users are connecting to the PROD database from different  applications, thereby degrading the database performance. The senior database administrator suspects the large number of concurrent connections to be the reason for low performance and asks you to restrict the number concurrent connections per database user to one.  Which action would you take to achieve this objective?()A、set the SESSIONS to 1 in the parameter fileB、grant SINGLE SESSION privilege to all of the usersC、set the SESSIONS_PER_USER to 1 in the users’ profileD、grant RESTRICTED SESSION privilege to all of the database usersE、create a role with SINGLE SESSION privilege and assign the role to the users

Which of the following approval member groups can an organization administrator grant privileges to?()A、ApprovalGroupB、Order ProcessC、User GroupD、User RegistrationE、AccessGroup

Which of the following statements is used to revoke all DML privileges on table EMPLOYEE from user TOM?()A、REVOKE ALL PRIVILEGES FROM USER tomB、REVOKE ALL ON EMPLOYEE FROM USER tomC、REVOKE EXECUTE ON EMPLOYEE FROM USER tomD、REVOKE PRIVILEGES ON EMPLOYEE FROM USER tom

The DBA issues this SQL command:CREATE USER scott IDENTIFIED by tiger;What privileges does the user Scott have at this point?()A、no privilegesB、only the SELECT privilegeC、only the CONNECT privilegeD、all the privileges of a default user

You have been asked to create three users, PUB1, PUB2 and PUB3, for three newly hired employees and to allocate unlimited quota on their default tablespace PUBLISHER_TBS with no other privileges. After creating the users, which method can you use for granting the required privileges?()A、grant CONNECT role to all of the three usersB、grant RESOURCE role to all of the three usersC、grant both CONNECT and RESOURCE role to all of the three usersD、execute ALTER USER .. QUOTA UNLIMITED ON publisher_tbs command for all of the three usersE、create role with UNLIMITED TABLESPACE system privilege and assign the role to all of the three users

The DBA issues this SQL command: CREATE USER scott IDENTIFIES by tiger; What privileges does the user Scott have at this point? ()A、No privileges.B、Only the SELECT privilege.C、Only the CONNECT privilege.D、All the privileges of a default user.

The user Sue issues this SQL statement: GRANT SELECT ON sue. EMP TO alice WITH GRANT OPTION; The user Alice issues this SQL statement: GRANT SELECT ON sue. EMP TO reena WITH GRANT OPTION; The user Reena issues this SQL statement: GRANT SELECT ON sue. EMP TO timber; The user Sue issues this SQL statement: REVOKE select on sue. EMP FROM alice; For which users does the revoke command revoke SELECT privileges on the SUE.EMP table?()A、Alice onlyB、Alice and ReenaC、Alice, Reena, and TimberD、Sue, Alice, Reena, and Timber

单选题What is true about the WITH GRANT OPTION clause?()AIt allows a grantee DBA privileges.BIt is required syntax for object privileges.CIt allows privileges on specified columns of tables.DIt is used to grant an object privilege on a foreign key column.EIt allows the grantee to grant object privileges to other users and roles.

单选题The user Sue issues this SQL statement: GRANT SELECT ON sue. EMP TO alice WITH GRANT OPTION; The user Alice issues this SQL statement: GRANT SELECT ON sue. EMP TO reena WITH GRANT OPTION; The user Reena issues this SQL statement: GRANT SELECT ON sue. EMP TO timber; The user Sue issues this SQL statement: REVOKE select on sue. EMP FROM alice; For which users does the revoke command revoke SELECT privileges on the SUE.EMP table?()AAlice onlyBAlice and ReenaCAlice, Reena, and TimberDSue, Alice, Reena, and Timber

单选题You have been asked to create three users, PUB1, PUB2 and PUB3, for three newly hired employees and to allocate unlimited quota on their default tablespace PUBLISHER_TBS with no other privileges. After creating the users, which method can you use for granting the required privileges?()Agrant CONNECT role to all of the three usersBgrant RESOURCE role to all of the three usersCgrant both CONNECT and RESOURCE role to all of the three usersDexecute ALTER USER .. QUOTA UNLIMITED ON publisher_tbs command for all of the three usersEcreate role with UNLIMITED TABLESPACE system privilege and assign the role to all of the three users

单选题The user SCOTT who is the owner of ORDERS and ORDERJTEMS 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 ALL should be replaced with a list of specific privileges.C WITH GRANT OPTION should be added to the statement.D Separate GRANT statements are required for ORDERS and ORDERJTEMS tables.

多选题Which three statements are true about the working of system privileges in a multitenant control database(CDB) that has pluggable databases (PDBs)?()ASystem privileges apply only to the PDB in which they are used.BLocal users cannot use local system privileges on the schema of a common user.CThe granter of system privileges must possess the set container privilege.DCommon users connected to a PDB can exercise privileges across other PDBs.ESystem privileges with the with grant option container all clause must be granted to a common user before the common user can grant privileges to other users.

单选题View the Exhibit and examine the privileges granted to the MGR_ROLE role. The user SKD has been grantedthe CONNECT and RESOURCE roles only. The database administrator (DBA) grants MGR_ROLE to the userSKD by executing the command: SQL GRANT MGR_ROLE TO SKD WITH ADMIN OPTION;  Which statement is true about the user SKD afterhe/she is granted this role()A The user SKD can grant only the MGR_ROLE role to other users, but not the privileges in it.B The user SKD can revoke the MGR_ROLE only from the users for whom he/she is the grantor.C The user SKD can grant the privileges in the MGR_ROLE role to other users, but not with ADMIN OPTION.D The user SKD can grant the privileges in the MGR_ROLE role to other users, but cannot revoke privilegesfrom them

单选题The user HR owns the EMP table. The user HR grants privileges to the user SCOTT by using this command:  SQL GRANT SELECT,INSERT,UPDATE ON emp TO scott WITH GRANT OPTION; The user SCOTT executes this command to grant privileges to the user JIM: SQL GRANT SELECT,INSERT,UPDATE ON hr.emp TO jim;  Now, the user HR decides to revoke privileges from JIM using this command: SQL REVOKE SELECT,INSERT,UPDATE ON emp FROM jim; Which statement is true after HR issues the REVOKE command()AThe command fails because SCOTT still has privileges.BThe command succeeds and privileges are revoked from JIM.CThe command fails because HR cannot revoke the privileges from JIM.DThe command succeeds and only HR has the privilege to perform the SELECT, INSERT, and UPDATEoperations on the EMP table.

单选题You are the DBA for an academic database. You need to create a role that allows a group of users to modify existing rows in the STUDENT_GRADES table. Which set of statements accomplishes this? ()ACREATE ROLL registrar; GRANT MODIFY ON student_grant TO registrar; GRANT registrar to user 1, user2, user3BCREATE NEW ROLE registrar; GRANT ALL ON student_grant TO registrar; GRANT registrar to user 1, user2, user3CCREATE ROLL registrar; GRANT UPDATE ON student_grant TO registrar; GRANT ROLE to user1, user2, user3DCREATE ROLL registrar; GRANT UPDATE ON student_grant TO registrar; GRANT registrar to user 1, user2, user3;ECREATE registrar; GRANT CHANGE ON student_grant TO registrar; GRANT registrar;

单选题The user Alice wants to grant all users query privileges on her DEPT table. Which SQL statement accomplishes this? ()AGRANT select ON dept TO ALL_ USER;BGRANT select ON dept TO ALL;CGRANT QUERY ON dept TO ALL_USERSDGRANT select ON dept TO PUBLIC;

多选题When should you create a role?()ATo simplify the process of creating new users using the CREATE USER xxx IDENTIFIED by yyy statement.BTo grant a group of relate privileges to a user.CWhen the number of people using the database is very high.DTo simplify the process of granting and revoking privileges.ETo simplify profile maintenance for a user who is constantly traveling.

单选题A user named Arren is executing this query:   select table_name,operation,undo_sql  from  flashback_transaction_query t,  (select versions_xid as xid  from employees versions between scn minvalue and maxvalue  where employee_id = 123) e  where t.xid = e.xid;   When the query runs,he receives an ORA-01031: insufficient privileges error. Since the user owns the employees table,you know that it is not the problem.  Which of the following SQL statements will correct this problem?()A GRANT SELECT ANY TRANSACTION TO ARRENB GRANT SELECT ON FLASHBACK_TRANSACTION_QUERY TO ARRENC GRANT SELECT_ANY_TRANSACTION TO ARREND GRANT FLASHBACK TO ARRENE GRANT SELECT ANY VIEW TO ARREN