Informatica 中 parameter file  参数文件配置规则:
参数文件的头部内容
[Global] All Integration Services, Integration Service processes, workflows, worklets, and sessions.
[Service:service name] The named Integration Service and workflows, worklets, and sessions that this service runs.
[Service:service name.ND:node name] The named Integration Service process and workflows, worklets, and sessions that this service process runs.
[folder name.WF:workflow name] The named workflow and all sessions within the workflow.
[folder name.WF:workflow name.WT:worklet name] The named worklet and all sessions within the worklet.
[folder name.WF:workflow name.WT:worklet name.WT:worklet name...] The nested worklet and all sessions within the nested worklet.
[folder name.WF:workflow name.ST:session name]
-or-
[folder name.WF:workflow name.WT:worklet name.ST:session name]
-or-
[folder name.session name]
-or-
[session name] The named session.

参数文件的内容:

[HET_TGTS.WF:wf_TCOMMIT1] 
$$platform=windows
参数文件的标题head 只能定义一次,否则 下面的 参数信息将不起作用
[HET_TGTS.WF:wf_TCOMMIT1]
$$platform=unix
$DBConnection_ora=Ora2

取参数文件定义的范围越小,则此参数的值Ora3
[HET_TGTS.WF:wf_TGTS_ASC_ORDR]
$DBConnection_ora=Ora2
[HET_TGTS.WF:wf_TGTS_ASC_ORDR.ST:s_TGTS_ASC_ORDR]
$DBConnection_ora=Ora3

参数文件例子 
File created by RSmith 11/12/2005
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[Service:IntSvs_01]
$PMSuccessEmailUser=pcadmin@mail.com
$PMFailureEmailUser=pcadmin@mail.com
[HET_TGTS.WF:wf_TCOMMIT_INST_ALIAS]
$$platform=unix
[HET_TGTS.WF:wf_TGTS_ASC_ORDR.ST:s_TGTS_ASC_ORDR]
$$platform=unix
$DBConnection_ora=Ora2
$ParamAscOrderOverride=UPDATE T_SALES SET CUST_NAME = :TU.CUST_NAME, DATE_SHIPPED = :TU.DATE_SHIPPED, TOTAL_SALES = :TU.TOTAL_SALES WHERE CUST_ID = :TU.CUST_ID
[ORDERS.WF:wf_PARAM_FILE.WT:WL_PARAM_Lvl_1]
$$DT_WL_lvl_1=02/01/2005 01:05:11
$$Double_WL_lvl_1=2.2
[ORDERS.WF:wf_PARAM_FILE.WT:WL_PARAM_Lvl_1.WT:NWL_PARAM_Lvl_2]
$$DT_WL_lvl_2=03/01/2005 01:01:01
$$Int_WL_lvl_2=3
$$String_WL_lvl_2=ccccc