多项选择题
A. ALTER PLUGGABLE DATABASE OPEN ALL ISSUED from the root
B. ALTER PLUGGABLE DATABASE OPEN ALL ISSUED from a pdb
C. ALTER PLUGGABLE DATABASE PDB OPEN issued from the seed
D. ALTER DATABASE PDB OPEN issued from the root
E. ALTER DATABASE OPEN issued from that pdb
F. ALTER PLUGGABLE DATABASE PDB OPEN issued from another pdb
G. ALTER PLUGGABLE DATABASE OPEN issued from that pdb
多项选择题 You executed this command to create a password file: $ orapwd file = orapworcl entries = 10 ignorecase = N Which two statements are true about the password file?（）
单项选择题 To enable the Database Smart Flash Cache, you configure the following parameters: DB_FLASH_CACHE_FILE = ‘/dev/flash_device_1’ , ‘/dev/flash_device_2’ DB_FLASH_CACHE_SIZE=64G What is the result when you start up the database instance?（）
多项选择题 You support Oracle Database 12c Oracle Database 11g, and Oracle Database log on the same server. All databases of all versions use Automatic Storage Management (ASM). Which three statements are true about the ASM disk group compatibility attributes that are set for a disk group?（）