Which two client requests are captured during database replay Capture?() Flashback queries。 Shared server requests。 Login and logoff activities of sessions。 Direct path load of data from external files by using utilities such as SQL *loader。 Data definition language (DDL) and data manipulation language (DML) operatio。
如果某房地产的售价为5000万元,其中建筑物价格3000万元,地价2000万元,该房地产的年客观收益为450万元,建筑物的资本化率为10%,那么土地的资本化率最接近于()。 9%。 12.5%。 7.5%。 5%。
Given: Which statement is true?() Compilation succeeds.。 Class A does not compile.。 The method declared on line 9 cannot be modified to throw TestException.。 TestA compiles if line 10 is enclosed in a try/catch block that catches TestException.。
How can a directory named /dirl be excluded during a restore of files backed up by name with the backup command() By using the restore -x option followed by /dirl。 By adding an entry in the /etc/restore.exclude file。 By using the restore -i option to enter interactive mode and executing the command:delete /dirl。 By using the restore -i option when running restore to specify a text file containing ’/dirl1 as one of the lines in it。
食物中钙含量水平高时可引起铅的吸收量增加,并引起铅中毒。
改革开放后,我国城市社会组织发生了巨大变化,表现在()。