You are creating a new form for the Order Entry application. You define a record group that will be created when the form is executing this built in: CREATE_GROUP(rg_emplist, global_scope) Which form(s) in the application will have access to this record group?（） All forms in the application. 。 Any forms opened by the user who initiated the record group. 。 Only the form issuing the CREATE_GROUP built-in. 。 Any forms referenced by the form that contains the procedure.。
（）为达到与地连接的目的，一根或一组与土壤（大地）密切接触并提供与土壤（大地）之间的电气连接的导体。 接地体。 接地线。 接地条。 接地管。
Examine the parameter for your database instance: You generated the execution plan for the following query in the plan table and noticed that the nested loop join was done. After actual execution of the query, you notice that the hash join was done in the execution plan: Identify the reason why the optimizer chose different execution plans.（） The optimizer used a dynamic plan for the query.。 The optimizer chose different plans because automatic dynamic sampling was enabled.。 The optimizer used re-optimization cardinality feedback for the query.。 The optimizer chose different plan because extended statistics were created for the columns used.。
什么是无损检测？
What characteristics make ADSL the likely choice among DSL technologies for Teleworker?（） most widely deployed by service providers 。 provides asymmetrical bandwidth, including high speed downlink。 data rate is affected by distance to the Central Office。 provides the furthest reach at T1 speeds 。 supports connection of two routers without the use of a DSL access concentrator。
我国古代不少统治者重视制度的创新，下列制度沿用时间最长的是（）。
