多选题Which two data types can be converted to LOBs using an ALTER TABLE… MODIFY command？（）ARAWBLONGCVARCHARDLONG RAW

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多选题

Which two data types can be converted to LOBs using an ALTER TABLE… MODIFY command？（）

RAW

LONG

VARCHAR

LONG RAW

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相似问题和答案

第1题：

Which WAN service utilizes two different encapsulation types (one for data and one for signaling) on its data link layer?（）

A、ISDN
B、Frame Relay
C、ATM
D、FDDI

正确答案:A

第2题：

Which are the two options to which a menu can be assigned?（） (Choose two.)

A、menu
B、functions
C、data group
D、responsibility
E、functional group

正确答案:A,D

第3题：

Which two statements regarding a SQL profile are true?()

A. It is built by Automatic Tuning Optimizer.

B. It cannot be stored persistently in the data dictionary.

C. It can be used by the query optimizer automatically.

D. It can be created manually by using the CREATE PROFILE command.

参考答案：A, C

第4题：

Which two statements are true about a bitmap index？（）

A、It is recommended for the columns that have unique values.
B、It can be converted to a B-tree index by using the ALTER INDEX command.
C、It has a bitmap segment for each distinct value in the key column， containing a string of bits in which each bit represents the presence or absence of a key column value.
D、Updating the key column locks the whole bitmap segment that contains the bit for the key value to be updated.

正确答案:C,D

第5题：

Which two chart base types can you select using the Chart Wizard?（）

A、Line
B、Column
C、Bubble
D、Flowchart
E、OHLC candle stock

正确答案:A,B

第6题：

Which of the following media types can hold the GREATEST amount of data？（）

A、 DVD
B、 SDLT
C、 LTO
D、 Blu-Ray

正确答案:C

第7题：

The RMAN BACKUP command using the DELETE INPUT option can be used with which three types of files？（）

A、data files
B、backup sets
C、control files
D、archived redo log files

正确答案:A,B,D

第8题：

Which two statements are true regarding the USING clause in table joins?（）

A、It can be used to join a maximum of three tables
B、It can be used to restrict the number of columns used in a NATURAL join
C、It can be used to access data from tables through equijoins as well as nonequijoins
D、It can be used to join tables that have columns with the same name and compatible data types

正确答案:B,D

第9题：

Which two statements about bigfile tablespaces are true？（）

A、The bigfile tablespace have only one data file.
B、The segment space management is automatic.
C、The extent management is dictionary managed.
D、The database can have only one bigfile tablespace.
E、The bigfile tablespace can be converted to a smallfile tablespace.

正确答案:A,B

第10题：

Which two operations can be flashed back using the Flashback technology？（）

A、DROP USER SMITH；
B、DROP TABLE EMPLOYEES；
C、DROP TABLESPACE USERS；
D、ALTER TABLE SALES_REP DROP PARTITION P1；
E、ALTER TABLE EMPLOYEES DROP COLUMN DESIG_ID；

正确答案:A,B

Which two data types can be converted to LOBs using an ALTER

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