单选题Your test database is running in NOARCHIVELOG mode. What are the implications of this？ （）AYou can perform open database backups.BYou can perform closed database backups.CYou cannot perform schema-level logical backups.DYou can perform the backup of only the SYSTEM tablespace when the database is open.
单选题
Your test database is running in NOARCHIVELOG mode. What are the implications of this？ （）
A
You can perform open database backups.
B
You can perform closed database backups.
C
You cannot perform schema-level logical backups.
D
You can perform the backup of only the SYSTEM tablespace when the database is open.
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