The database is configured for automatic archive logging. Along with the other required parameters, this entry is in the initialization file:log_archive_dest2="SERVICE=standby_db1 MANDATORY REOPEN=600" From where does the database resolve standby_db1?()
A、control file
B、tnsnames.ora
C、data dictionary
D、initialization parameter file
当到达文件尾端或出错时,字符读取函数的返回值都是EOF,为进一步确认文件是否已到文件尾,应当通过()函数来判断。
A、ferror
B、feof
C、cleanerr
D、perror
下列不属于洋地黄中毒表现的是()
A、头晕、头痛
B、黄视
C、心律失常
D、恶心、呕吐
E、水肿、蛋白尿
网间结算标准应当以()为基础核定。
什么是高斯过程?其主要性质有哪些?
Which statement at line 7 constructs an instance of the inner class?()
A、 InsideOne ei = eo.new InsideOne():
B、 eo.InsideOne ei= co.new InsideOne():
C、 InsideOne ei = EnclosingOne.new InsideOne():
D、 EnclosingOne.insideOne ei = eo.new InsideOne():