At design time, you create a query record group for the LOV associated with the HOTEL text item in a form module for the Travel Planner Application. When is the record group deleted?（） When the user navigates to the HOTEL item. 。 When the form module successfully compiles. 。 After Form Builder validates the SELECT statement and dismisses the New Record Group dialog box. 。 When the user enters data in the HOTEL item, and the Validate from List property for the HOTEL item is set to YES.。
南水北调工程中央建设管理组织机构为（）南水北调工程建设委员会 中央。 国务院。 政府。 地方。
View the Exhibit and examine the privileges granted to the SL_REP user. The EMP table is owned by the SCOTT user. The SL_REP user executes the following command: SQL> GRANT SELECT ON scott.emp TO hr; Which statement describes the outcome of the command（） The command executes successfully.。 The command produces an error because the EMP table is owned by SCOTT.。 The command produces an error because SL_REP has the GRANT ANY OBJECT PRIVILEGE withoutADMIN_OPTION.。 The command produces an error because SL_REP does not have the SELECT privilege withGRANT_OPTION on the EMP table.。
Which two statements are true about the Application Grid ？（） Application Grid computing brings key industry-leading technologies like MS IIS and Grade WebLogic Server together.。 Application Grid computing promotes well architectured sharing of resources.。 Application Grid computing based on Oracle’s RAC technology.。 Application Grid computing results in more predictable behavior through better instrumentation and more optimal allocation of resources.。
简要叙述机器设备评估的特点。
接地汇集线：接地汇集线是指作为接地导体的条状铜排，通常作为接地系统的主干（母线），可以敷设成环形或（）
