Question regarding Update from an ODS

Hi Experts,

I have an issue of data mismatch between oa ODS 0FIGL_O02 and the InfocubeSFIGL_C02.

the infocube is getting updated through the ODS(By means of generated Datasource).

I have some Question:

1) If i delete the data selectively from Infocube and ODS and then load full request for that selection:

wather the change log data will be deeted autometically while deleting the data selectively from ODS?.

2) I am not getting all generated the generated datasource inspite of selecting "Display generated Objects" from Menu bar.

Please Help me ASAP.

Thanks ain advance

Jitendra Joshi