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Examine the command:
SQL> ALTER USER skd ACCOUNT LOCK;
Which two statements are true after the command is executed()

A . The SKD user cannot log in to the database instance.
B . The objects owned by the SKD user are not accessible to any user.
C . The other users can access the objects owned by the SKD user, on which they have access.
D . The password for the SKD user expires and the user is forced to change the password at the next log i

You work as a database administrator for Supportcenter.cn. You want to create your database with the automatic undo management feature enable.Which two tasks must you perform to achieve this?() Set the UNDO_RETENTION parameter to AUTO.。 Create an initial undo segment in undotablespace.。 Set the UNDO_RETENTION parameter to 900 or more。 Set the initialization parameter UNDO_MANAGEMENT to AUTO。 Set the UNDO_MANAGEMENT parameter to the name of an undotablespace。 职工应当参加生育保险,由用人单位和职工按照国家规定缴纳生育保险费。 You want to back up your 100-GB database on a remote tape device. You are required to ensure that minimum network bandwidth is consumed while transferring the backups to the tape device. The current consumption of your CPU is approximately 40 percent. Which type of backup should you perform?() standard backup set。 image copy。 compressed backup。 user-managed backu。 小企业如何利用外部人力资源? 个人死亡同时符合领取基本养老保险丧葬补助金、工伤保险丧葬补助金和失业保险丧葬补助金条件的,其遗属可以选择两项领取。

Examine the command:
SQL> ALTER USER skd ACCOUNT LOCK;
Which two statements are true after the command is executed()

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