| $comment |
Adds a comment to the query to identify queries in the database profiler output. |
| $explain |
Forces MongoDB to report on query execution plans. See explain(). |
| $hint |
Forces MongoDB to use a specific index. See hint() |
| $maxScan |
Limits the number of documents a cursor will return for a query. See limit(). |
| $max |
Specifies a minimum exclusive upper limit for the index to use in a query. See max(). |
| $min |
Specifies a minimum inclusive lower limit for the index to use in a query. See min(). |
| $orderby |
Returns a cursor with documents sorted according to a sort specification. See sort(). |
| $returnKey |
Forces the cursor to only return fields included in the index. |
| $showDiskLoc |
Modifies the documents returned to include references to the on-disk location of each document. |
| $snapshot |
Forces the query to use the index on the _id field. See snapshot(). |
| $query |
Wraps a query document. |
