Your database is functioning in NOARCHIVELOG mode. Your database contains 15 tablespaces. You want to use Recovery Manager （RMAN） to perform backups. Which two backups would you be able to perform when the database is being accessed by users？（） Backup of offline tablespaces.。 Backup of read-only tablespaces.。 Backup of system-critical tablespaces.。 Backup of online， locally managed tablespaces.。 Backup of read/write dictionary-managed tablespaces.。
往复式压缩机在每次大修中，必须对主轴进行拆卸。
Which two statements are true about the RMAN validate database command?（） It checks the database for intrablock corruptions.。 It can detect corrupt pfiles.。 It can detect corrupt spfiles.。 It checks the database for interblock corruptions.。 It can detect corrupt block change tracking files.。
Assume that you would like to clone an existing WebLogic Domain and enable some customizations. What scenario would you choose?（） In the Enterprise Manager, find the domain to be cloned. Choose "Clone WebLogic Domain" from the context menu. In the graphical wizard, customize and extend the domain if needed. These steps will only clone only the domain configuration. Binaries with deployments are needed to be cloned by operation on the file system. 。 In the Enterprise Manager, find the domain to be cloned. Choose "Clone WebLogic Domain" from the context menu. In the graphical wizard, customize the domain. These steps clone the binaries and domain configuration. If the extension is needed, perform it after cloning in the WebLogic web-based console. 。 In the Enterprise Manager, find the domain to be cloned. Choose "Clone WebLogic Domain" from the context menu. In the graphical wizard, customize and extend the domain if it is needed. These steps clone the binaries and domain configuration. 。 In the Enterprise Manager, find the domain to be cloned. Choose "Clone WebLogic Domain" from the context menu. These steps clone the binaries and domain configuration. If the customization or extension is needed, complete that after cloning in the WebLogic web-based console. 。 In the file system, copy the domain structure of the configuration directory and paste it in the new location. Modify configuration files for address and port. If further customization is needed, open the WebLogic web-based console and perform these modifications.。
根据乳化液易与其连续性液体相混溶的特点来确定乳化液的类型时的鉴别方法是（） 染色法。 冲淡法。 电导法。 湿润法。
In your database instance， the STATISTICS_LEVEL initialization parameter is set to BASIC.
What isthe impact of this setting（）
