You are maintaining your database in Oracle10g. You want to store the information about the backup of the database in the control file. You issue the following statement: SQL>ALTER SYSTEM SET CONTROL_FILE_RECORD_KEEP_TIME=400; What is the outcome of this statement? () The statement will not execute successfully.。 The statement will execute successfully, and the backups metadata will be maintained in the control file for 400 days。 The statement will execute successfully, and the backups metadata will be maintained in the recovery catalog for 400 days.。 Backups will be deleted from the media after 400 days.。
实行最严格的水资源管理制度要建立四项制度,这四项制度不包括() 建立用水总量控制制度。 建立用水效率控制制度。 建立水资源分配制度。 建立水功能区限制纳污制度。
Given: What is the result?() An exception is thrown at runtime.。 r, e, o,。 Compilation fails.。 r, t, t,。
比例与分割
资产的非市场价值也是资产交易中的一种相对公平合理的价值,只是其相对合理性的适用范围较窄。
选择垫片材料的首要条件是考虑垫片的()