Through which action are Currency Codes created？ （） select New Row in Currency Codes application。 select Action Currency Codes in the Database Configuration application。 select an Organization in the Currency Codes application and add a new row。 select the Base Currency lookup in the Organizations application and add a new row。
在小接地电流系统中，发生单相接地故障时，因（），所以一般允许短时间运行。 不破坏系统电压的对称。 地电流较小造不成危害。 因相电压低对系统造不成危害。
You are working as a Database Administrator. You erroneously dropped an important table named WAREHOUSE_DETAILS. The table resides in a non-SYSTEM tablespace. The following dependent objects have been defined on the dropped table： Due to limited space， some of the indexes and triggers have been removed from the Recycle Bin. You decide to recover the table by using Flashback Drop. You execute the following statement： SQL>FLASHBACK TABLE warehouse_details TO BEFORE DROP； What will be the implication of executing this statement？（） Only the WAREHOUSE_DETAILS table is recovered， and none of the dependent objects are recovered.。 The WAREHOUSE_DETAILS table is recovered along with the NOT NULL constraints， primary key constraint， and the referential integrity constraints.。 The WAREHOUSE_DETAILS table is recovered along with all the dependent objects except the indexes and triggers previously removed from the Recycle Bin.。 The WAREHOUSE_DETAILS table is recovered along with all the dependent objects except the referential integrity constraints and the indexes and triggers previously removed from the Recycle Bin.。
You have been recently hired as a database administrator. Your senior manager asks you to study the production database server and submit a report on the settings done by the previous DBA. While observing the server settings， you find that the following parameter has been set in the parameter file of the database： REMOTE_OS_AUTHENT = TRUE What could have been the reason to set this parameter as TRUE？（） to enable operating system authentication for a remote client。 to restrict the scope of administration to identical operating systems。 to allow the start up and shut down of the database from a remote client。 to enable the administration of the operating system from a remote client。 to disable the administration of the operating system from a remote client。
生产安全事故发生单位对事故发生负有责任的，发生重大事故的，依法处50万元以上100万元以下的罚款。
19世纪晚期英法经济发展相对缓慢，其相似的最主要原因是（）。
