Which statements are true about checkpointing()
A. The checkpoint frequency decreases with the smaller redo log file size.
B. It ensures that all committed data is written to the data files during normal shutdown.
C. The frequent full checkpoint in a database can cause the overall degradation of the database performance.
D. It prompts the Checkpoint (CKPT) process to write data to the data files and redo information to the onlineredo log file
TPM与SOT结合,保证进行维修维护工作的员工安全。
A. 正确
B. 错误
1839年,第一艘装有螺旋桨推进器的蒸汽船叫()。
抵债资产账面余额扣除抵债资产跌价准备后的净额为()。
A. 账面余额
B. 抵债资产净值
C. 抵债资产余额
D. 不良余额