A user executes the statement; PURGE BINARY LOGS TO 'mysql-bin.010'; What is the result?()
A. It deletes all binary log files, except 'mysql-in.010'
B. It deletes all binary log files up to and including 'mysql-bin.010'
C. It deletes all binary log files before 'mysql-bin.010'
D. It deletes all binary log files after 'mysql-bin.010'
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ZD6型电动转辙机的自动开闭器各接点片压力均匀,接触压力不小于()。
社会工作价值是一套有关人类福利、公平、公正、尊严等方面的理想信念。
A. 正确
B. 错误
男,25岁。体重50kg。Ⅱ度以上烧伤面积40%,其第一个24小时的前8小时内补液量为()。
A. 1000ml
B. 1500ml
C. 2000ml
D. 2500ml
E. 3000ml