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【单项选择题】

The DB_BLOCK_CHECKING initialization parameter is set to OFF.Which block checking would be performed?（）

A、A. The Oracle database will perform block checking for the index blocks only

B、B. The Oracle database will not perform block checking for any of the data blocks

C、C. The Oracle database will perform block checking for the default permanent tablespace only

D、D. The Oracle database will perform block checking for the data blocks in all user tablespaces

E、E. The Oracle database will perform block checking for the data blocks in the SYSTEM tablespace only

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更多“The DB_BLOCK_CHECKING initialization parameter is set to OFF.Which block checking would be performed?（）”相关的问题
第1题
[单选题] The database has the data block size set to 8 KB. You need to import a tablespace with a 4 KB block size into the database. Which additional memory parameter（s） should be configured to perform a transportable tablespace import？（）

A、 DB_4K_CACHE_SIZE only  B、 DB_8K_CACHE_SIZE only  C、 DB_BLOCK_SIZE and DB_4K_CACHE_SIZE  D、 DB_BLOCK_SIZE and DB_8K_CACHE_SIZE  E、 SGA_TARGET and DB_4K_CACHE_SIZE  F、 DB_CACHE_SIZE only  

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第2题
[单选题] You have the following requirements in relation to the detection of block corruption for your database instance: 1. Check for logical self-consistency of data blocks when modified in memory. 2. Checksums are calculated before and after the block change. 3. Checks are performed for the lost writes to the physical standby database. Which method would help you perform the above checks automatically? （）

A、Set the DB_SECUREFILE parameter to PERMITTED  B、Set the DB_ULTRA_SAFE parameter to DATA_ONLY  C、Set the DB_LOCK_CHECKSUM parameter to TYPICAL  D、Set the DB_LOST_WRITE_PROTECT parameter to TYPICAL  

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第3题
[单选题] 如果想要配置Oracle以使用校验和来验证数据块，将初始化参数（）设置为TRUE。

A、DB_BLOCK  B、DB_EXTENT_CHECKSUM  C、DB_BLOCK_CHECKSUM  D、DB_SEQENT_CHECKSUM  

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第4题
[判断题] 数据块是Oracle数据库读/写数据的最小存储单元，它的大小由初始化参数db_block_size决定，在Oracle数据库创建时就决定了db_block_size的值。

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第5题
[单选题] The DB_BLOCK_CHECKING initialization parameter is set to OFF. 数据库块检测初始化参数被设定为关  Which block checking would be performed?（）

A、The Oracle database will perform block checking for the index blocks only   B、The Oracle database will not perform block checking for any of the data blocks   C、The Oracle database will perform block checking for the default permanent tablespace only   D、The Oracle database will perform block checking for the data blocks in all user tablespaces   E、The Oracle database will perform block checking for the data blocks in the SYSTEM tablespace only Oracle  

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第6题
[] The DB_BLOCK_CHECKING initialization parameter is set to OFF. Which block checking would be performed？（）  

A、A. The Oracle database will perform block checking for the index blocks only  B、B. The Oracle database will not perform block checking for any of the data blocks  C、C. The Oracle database will perform block checking for the default permanent tablespace only  D、D. The Oracle database will perform block checking for the data blocks in all user tablespaces  E、E. The Oracle database will perform block checking for the data blocks in the SYSTEM tablespace only  

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第7题
[单选题] The DB_BLOCK_CHECKING initialization parameter is set to FALSE. What level of block checking would be performed？（）

A、 The Oracle database will not perform block checking for any of the data blocks.  B、 The Oracle database will perform block checking for the default permanent tablespace only.   C、 The Oracle database will perform block checking for the data blocks in all user tablespaces.  D、 The Oracle database will perform block checking for the data blocks in the SYSTEM tablespace only.  E、 The Oracle database will perform block checking for the data blocks in the SYSTEM and SYSAUX tablespaces.  

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第8题
[单选题] You are maintaining the PROD database of TeleSoft Corporation. You have initialized the following DB_BLOCK_CHECKING parameter in the init.ora file：  DB_BLOCK_CHECKING = TRUE；  What will be the result of setting this parameter？（）

A、 Only data blocks of the SYSTEM tablespace will be checked.  B、 Only data blocks of the SYSAUX tablespace will be checked.  C、 A checksum will occur only on the checkpoint.  D、 A checksum will occur every time a block is modified.  

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第9题
[单选题] A block that can be opened at the hook or shackle end to receive a bight of the line is a（）.

A、bight block  B、gin block  C、heel block  D、snatch block  

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