CMS专题
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 b
题目
The PDB must be open in read-only mode.
The PDB must be in mount state.
The PDB must be unplugged.
The PDB data files are always removed from disk.
A dropped PDB can never be plugged back into a multitenant container database (CDB).
相似问题和答案
第1题：
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).
第2题：
Which statement is TRUE concerning the flash point of a substance ________．
A.It is lower than the ignition temperature
B.It is the temperature at which a substance will spontaneously ignite
C.It is the temperature at which a substance，when ignited，will continue to burn
D.It is the temperature at which the released vapors will fall within the explosive range
第3题：
Concerning baby-sitting and managing a paper route, which of the following statement is true?
A． Both call for daily service.
B． Both call for a sense of responsibility.
C． Neither is affected by bad weather.
D． Neither is helpful to character development.
逻辑推理题。关于临时保姆和送报纸这两项工作，文中均有提到责任感的重要性，分别在第一段最后一句“This has its greatest．．．reliable，responsible and mature”(这项工作尤其适合女孩，一个可靠、负责和成熟的临时保姆可以挣到不少钱。)及最后一段第二句“The job also requires a sense of maturity and responsibility．．．”(这项工作同样需要成熟、稳重与责任感……)。
第4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).
正确答案:B
第5题：
Which statement is TRUE concerning combustible gas indicators ________．
A.One sample of air is adequate to test a tank
B.They do not work properly where there is a lack of oxygen
C.They will detect a lack of oxygen
D.They are calibrated to read the percentage chance of explosion
第6题：
A. All administration tasks must be done to a specific pluggable database.
B. The pluggable databases increase patching time.
C. The pluggable databases reduce administration effort.
D. The pluggable databases are patched together.
E. Pluggable databases are only used for database consolidation.
第7题：
Which statement is TRUE concerning the placard entitled Discharge of Oil Prohibited ________．
A.It is required on all vessels
B.It may be located in a conspicuous place in the wheelhouse
C.It may be located at the bilge and ballast pump control station
D.All of the above
第8题：
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.
第9题：
Which statement concerning GPS is TRUE ________．
A.It cannot be used in all parts of the world
B.There are 12 functioning GPS satellites at present
C.It may be suspended without warning
D.Two position lines are used to give a 2D fix
第10题：
Which three are true?（）
- A、A MERGE statement is used to merge the data of one table with data from another.
- B、A MERGE statement replaces the data of one table with that of another.
- C、A MERGE statement can be used to insert new rows into a table.
- D、A MERGE statement can be used to update existing rows in a table.
正确答案:A,C,D