DB_BLOCK_SIZE初始化参数的度量单位是（）。
A: BLOCK
B: BYTE
C: PAGE
D: ROW
A: BLOCK
B: BYTE
C: PAGE
D: ROW
举一反三
- 数据库中标准的数据块（data block）容量是由初始化参数（）指定的。 A: 文件大小 B: 文件长度 C: 文件类型 D: DB_BLOCK_SIZE
- 下面关于数据块（data block）的说法错误的是（）？ A: data block是Oracle存储数据的最小单位 B: 不可以在同一个数据库中指定多个不同的data block大小 C: db_block_size参数控制默认的data block大小 D: 数据存储在data block中
- Identify two situations in which the block header grows in a data block. （） A: when row directories need more row entries B: when there is row migration in the data block C: when there is an increase in the PCTFREE value for the data block D: when more transaction slots are required than are initially configured
- Identify two situations in which the block header grows in a data block. （） A: Awhen row directories need more row entries B: Bwhen there is row migration in the data block C: Cwhen there is an increase in the PCTFREE value for the data block D: Dwhen more transaction slots are required than are initially configured
- Block Size 是不可以修改的