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单选题
关于PDB数据库，正确的是（）
A
是全世界最主要的大分子一级结构数据库
B
其蛋白质结构数目与SwissProt/TrEMBL数据库中的序列数目相当
C
包括蛋白质、核酸、蛋白质-核酸复合物等生物大分子的三维结构数据库
D
由NCBI和EBI共同管理
E
由DDBJ进行日常维护
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更多 “单选题关于PDB数据库，正确的是（）A 是全世界最主要的大分子一级结构数据库B 其蛋白质结构数目与SwissProt/TrEMBL数据库中的序列数目相当C 包括蛋白质、核酸、蛋白质-核酸复合物等生物大分子的三维结构数据库D 由NCBI和EBI共同管理E 由DDBJ进行日常维护” 相关考题
考题
关于PDB数据库，正确的是A、是全世界最主要的大分子一级结构数据库B、其蛋白质结构数目与SwissProt/TrEMBL数据库中的序列数目相当C、包括蛋白质、核酸、蛋白质-核酸复合物等生物大分子的三维结构数据库D、由NCBI和EBI共同管理E、由DDBJ进行日常维护
考题
Your multitenant container database has three pluggable databases (PDBs): PDB1, PDB2, and PDB3.Which two RMAN commands may be; used to back up only the PDB1 pluggable database?()
A. BACKUP PLUGGABLE DATABASE PDB1 while connected to the root containerB. BACKUP PLUGGABLE DATABASE PDB1 while connected to the PDB1 containerC. BACKUP DATABASE while connected to the PDB1 containerD. BACKUP DATABASE while connected to the boot containerE. BACKUP PLUGGABLE database PDB1 while connected to PDB2
考题
Which two statements are true concerning the Resource Manager plans for individual pluggabledatabases (PDB plans) in a multitenant container database (CDB)?()
A. If no PDB plan is enabled for a pluggable database, then all sessions for that PDB are treated to an equal degree of the resource share of that pdb.B. In a PDB plan, subplans may be used with up to eight consumer groups.C. If a PDB plan is enabled for a pluggable database, then resources are allocated to consumer groups across all PDBs in the cdb.D. If no PDB plan is enabled for a pluggable database, then the PDB share in the CDB plan is dynamically calculated.E. If a PDB plan is enabled for a pluggable database, then resources are allocated to consumer groups based on the shares provided to the PDB in the CDB plan and the shares provided to the consumer groups in the PDB plan.
考题
Which statement is true concerning dropping a pluggable database (PDB)?()
A. The PDB must be open in read-only mode.B. The PDB must be in mount state.C. The PDB must be unplugged.D. The PDB data files are always removed from disk.E. A dropped PDB can never be plugged back into a multitenant container database (CDB).
考题
Your multitenant container database, CDB1, is running in ARCHIVELOG mode and has two pluggable databases, HR_PDB and ACCOUNTS_PDB. An RMAN backup exists for the database.You issue the command to open ACCOUNTS_PDB and find that the USERDATA.DBF data file for the default permanent tablespace USERDATA belonging to ACCOUNTS_PDB is corrupted.What should you do before executing the commands to restore and recover the data file in ACCOUNTS_PDB?（）A. Place CDB1 in the mount stage and then the USERDATA tablespace offline in ACCOUNTS_PDb.B. Place CDB1 in the mount stage and issue the ALTER PLUGGABLE DATABASE accounts_pdb CLOSE IMMEDIATE command.C. Issue the ALTER PLUGGABLE DATABASE accounts_pdb RESTRICTED command.D. Take the USERDATA tablespace offline in ACCOUNTS_PDb.
考题
连接MySQL后选择需要的数据库DB_NAME？以下哪些方法是对的（）A、连接后用USEDB_NAME选择数据库B、连接后用SETDB_NAME选择数据库C、用mysql-hhost-uuser-pDB_NAME连接数据库D、用mysql-hhost-uuser-p-TDB_NAME连接数据库
考题
Which statement is true concerning dropping a pluggable database (PDB)?（）A、The PDB must be open in read-only mode.B、The PDB must be in mount state.C、The PDB must be unplugged.D、The PDB data files are always removed from disk.E、A dropped PDB can never be plugged back into a multitenant container database (CDB).
考题
Which three statements are true concerning unplugging a pluggable database (PDB)?（）A、The PDB must be open in read only mode.B、The PDB must be dosed.C、The unplugged PDB becomes a non-cdb.D、The unplugged PDB can be plugged into the same multitenant container database (CDB)E、The unplugged PDB can be plugged into another cdb.F、The PDB data files are automatically removed from disk.
考题
Identify three valid methods of opening, pluggable databases (PDBs).（）A、ALTER PLUGGABLE DATABASE OPEN ALL ISSUED from the rootB、ALTER PLUGGABLE DATABASE OPEN ALL ISSUED from a pdbC、ALTER PLUGGABLE DATABASE PDB OPEN issued from the seedD、ALTER DATABASE PDB OPEN issued from the rootE、ALTER DATABASE OPEN issued from that pdbF、ALTER PLUGGABLE DATABASE PDB OPEN issued from another pdbG、ALTER PLUGGABLE DATABASE OPEN issued from that pdb
考题
多选题You create a new pluggable database, HR_PDB, from the seed database. Which three tablespaces arecreated by default in HR_PDB?（）ASYSTEMBSYSAUXCEXAMPLEDUNDOETEMPFUSERS
考题
单选题Which statement is true concerning dropping a pluggable database (PDB)?（）A
The PDB must be open in read-only mode.B
The PDB must be in mount state.C
The PDB must be unplugged.D
The PDB data files are always removed from disk.E
A dropped PDB can never be plugged back into a multitenant container database (CDB).
考题
多选题Identify three valid methods of opening, pluggable databases (PDBs).（）AALTER PLUGGABLE DATABASE OPEN ALL ISSUED from the rootBALTER PLUGGABLE DATABASE OPEN ALL ISSUED from a pdbCALTER PLUGGABLE DATABASE PDB OPEN issued from the seedDALTER DATABASE PDB OPEN issued from the rootEALTER DATABASE OPEN issued from that pdbFALTER PLUGGABLE DATABASE PDB OPEN issued from another pdbGALTER PLUGGABLE DATABASE OPEN issued from that pdb
考题
单选题Your multitenant container database, CDB1, is running in ARCHIVELOG mode and has two pluggable databases, HR_PDB and ACCOUNTS_PDB. An RMAN backup exists for the database. You issue the command to open ACCOUNTS_PDB and find that the USERDATA.DBF data file for the default permanent tablespace USERDATA belonging to ACCOUNTS_PDB is corrupted. What should you do before executing the commands to restore and recover the data file in ACCOUNTS_PDB?（）A
Place CDB1 in the mount stage and then the USERDATA tablespace offline in ACCOUNTS_PDb.B
Place CDB1 in the mount stage and issue the ALTER PLUGGABLE DATABASE accounts_pdb CLOSE IMMEDIATE command.C
Issue the ALTER PLUGGABLE DATABASE accounts_pdb RESTRICTED command.D
Take the USERDATA tablespace offline in ACCOUNTS_PDb.
考题
多选题Your multitenant container database has three pluggable databases (PDBs): PDB1, PDB2, and PDB3.Which two RMAN commands may be; used to back up only the PDB1 pluggable database?（）ABACKUP PLUGGABLE DATABASE PDB1 while connected to the root containerBBACKUP PLUGGABLE DATABASE PDB1 while connected to the PDB1 containerCBACKUP DATABASE while connected to the PDB1 containerDBACKUP DATABASE while connected to the boot containerEBACKUP PLUGGABLE database PDB1 while connected to PDB2
考题
单选题You are connected to a pluggable database (PDB) as a common user with DBA privileges. The STATISTICS_LEVEL parameter is PDB_MODIFIABLE. You execute the following: SQL ALTER SYSTEM SET STATISTICS_LEVEL = ALL SID = ‘*’ SCOPE = SPFILE; Which is true about the result of this command?（）A
The STATISTICS_LEVEL parameter is set to all whenever this PDB is re-opened.B
The STATISTICS_LEVEL parameter is set to ALL whenever any PDB is reopened.C
The STATISTICS_LEVEL parameter is set to all whenever the multitenant container database (CDB) is restarted.D
Nothing happens; because there is no SPFILE for each PDB, the statement is ignored.
考题
多选题Which two statements are true concerning the Resource Manager plans for individual pluggabledatabases (PDB plans) in a multitenant container database (CDB)?（）AIf no PDB plan is enabled for a pluggable database, then all sessions for that PDB are treated to an equal degree of the resource share of that pdb.BIn a PDB plan, subplans may be used with up to eight consumer groups.CIf a PDB plan is enabled for a pluggable database, then resources are allocated to consumer groups across all PDBs in the cdb.DIf no PDB plan is enabled for a pluggable database, then the PDB share in the CDB plan is dynamically calculated.EIf a PDB plan is enabled for a pluggable database, then resources are allocated to consumer groups based on the shares provided to the PDB in the CDB plan and the shares provided to the consumer groups in the PDB plan.
考题
单选题PDB数据库（）。A
是全世界最主要的大分子三级结构数据库B
其蛋白质结构数目与SwissProt/TrEMBL数据库中的序列数目相当C
包括了蛋白质、核酸、蛋白质/核酸复合物等结构数据D
由NCBI和EBI共同管理和维护
考题
多选题Which three statements are true concerning unplugging a pluggable database (PDB)?（）AThe PDB must be open in read only mode.BThe PDB must be dosed.CThe unplugged PDB becomes a non-cdb.DThe unplugged PDB can be plugged into the same multitenant container database (CDB)EThe unplugged PDB can be plugged into another cdb.FThe PDB data files are automatically removed from disk.
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