<p>How would I disable and later enable all indexes in a given schema/database in Oracle?</p>

<p>Note: This is to make sqlldr run faster.</p>

From here:
http://forums.oracle.com/forums/thread.jspa?messageID=2354075
```
alter session set skip_unusable_indexes = true;
```
```
alter index your_index unusable;
```
do import...
```
alter index your_index rebuild [online];
```