MongoDB: db.commandHelp() method
db.commandHelp
The db.commandHelp() method is used to return help information for a database command.
Syntax:
db.commandHelp(command)
Parameters:
| Name | Description | Required / Optional |
Type |
|---|---|---|---|
| command | The name of a database command. | Required | string |
Example: MongoDB: db.commandHelp() method
The following command will display the help text of command findAndModify.
db.commandHelp('findAndModify');
Output:
> db.commandHelp('findAndModify');
help for: findAndModify { findAndModify: "collection", query: {processed:false}, update: {$set: {processed:true}}, new: true}
{ findAndModify: "collection", query: {processed:false}, remove: true, sort: {priority:-1}}
Either update or remove is required, all other fields have default values.
Output is in the "value" field
Retrieve the restaurants data from here
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