iExpense - AP_EXPENSE_FEED_LINES_ALL vs AP_CREDIT_CARD_TRXNS_ALL

Hello

Can someone tell me the difference between these 2 tables ?

AP_EXPENSE_FEED_LINES_ALL and AP_CREDIT_CARD_TRXNS_ALL

We want to build a SQL loader program to load the transactions from a Credit Card provider for iExpense.

Most of the reading I've been doing says to populate the AP_CREDIT_CARD_TRXNS_ALL table. But I'm also reading about AP_EXPENSE_FEED_LINES_ALL.

So, kinda confused here.

Also, would appreciate if anyone has used SQLloader to shed some info on the process of loading CC transactions into iExpense.

Thanks

Len