电流互感器的运行情况与（）相似。 变压器的空载运行。 变压器的短路运行。 变压器的开路运行。 变压器的负载运行。
The user HR owns the EMP table. The user HR grants privileges to the user SCOTT by using this command： SQL> GRANT SELECT，INSERT，UPDATE ON emp TO scott WITH GRANT OPTION； The user SCOTT executes this command to grant privileges to the user JIM： SQL> GRANT SELECT，INSERT，UPDATE ON hr.emp TO jim； Now， the user HR decides to revoke privileges from JIM using this command： SQL> REVOKE SELECT，INSERT，UPDATE ON emp FROM jim； Which statement is true after HR issues the REVOKE command（） The command fails because SCOTT still has privileges.。 The command succeeds and privileges are revoked from JIM.。 The command fails because HR cannot revoke the privileges from JIM.。 The command succeeds and only HR has the privilege to perform the SELECT， INSERT， and UPDATEoperations on the EMP table.。
地理信息
What will be the result of using the SQL> DROP USER SCOTT CASCADE； command？（） The user， Scott， is dropped， all the objects in Scott’s schema are placed in the Recycle Bin， and the objects that are already in the Recycle Bin are dropped.。 The user， Scott， is dropped， all the objects in Scott’s schema are placed in the Recycle Bin， and all the objects in the Recycle Bin， belonging to the user Scott， are not dropped.。 The user， Scott， is dropped， all the objects in the Scott’s schema are not placed in the Recycle Bin， and the objects in the Recycle Bin， belonging to the user， Scott， are not dropped.。 The user， Scott， is dropped， all the objects in Scott’s schema are not placed in the Recycle Bin， and the objects in the Recycle Bin are dropped.。
俾斯麦出任普鲁士首相后，推行“铁血政策”目的是（）。 使用武力巩固统治。 镇压人民革命运动。 扫清障碍实现统一。 维护维也纳体系。
在资产评估价值类型确定的情况下，资产评估方法选择具有（）。
