开放存取(Open Access,简称OA)或开放获取是国际学术界、出版界、图书情报界为了推动科研成果利用互联网自由传播而采取的行动。以下期刊属于OA期刊的是()
A、图书情报工作
B、情报学报
C、PLoS Neglected Tropical Diseases
D、Scientometrics
A、图书情报工作
B、情报学报
C、PLoS Neglected Tropical Diseases
D、Scientometrics
A、’SQL ALTER DATABASE OPEN’; B、SQL ALTER DATABASE ’OPEN’; C、OPEN DATABASE; D、DATABASE OPEN
A、A. alter database open B、B. alter database open repairlog C、C. alter database open resetlogs D、D. alter database open resetlog E、E. alter database resetlogs open
A、add a copy of the log for/datafs B、open hd5 C、mirrorvg rootvg D、split /usr as it is too big
A、ALTER DATABASE OPEN; B、ALTER DATABASE CLEAR LOGFILE; C、ALTER DATABASE OPEN RESETLOGS; D、ALTER DATABASE OPEN NORESETLOGS;
A、Closing an open stream. B、Flushing an open stream. C、Writing to an open stream. D、Writing a line separator to an open stream.
A、Closing an open stream. B、Flushing an open stream. C、Writing to an open stream. D、Writing a line separator to an open stream.
A、The database would open normally. B、The database would not open, and it would stop at mount stage. C、The database would open after automatically performing instance recovery. D、The database would not open, and you have to perform database recovery to open it.