如果我在现有行中插入行或更新值，那么更新列的那些索引是否会更新？

OR do I need to update them specifically. The situation is this: I have a table with 1.5 million rows and 90 columns. We have done a massive amount of cleanup on the data and I need to know if i should rebuild the indexes OR if they were already rebuilt during the UPDATE and INSERT operation on that table.OR do I need to update them specifically. The s