> For the complete documentation index, see [llms.txt](https://wilmerags.gitbook.io/digital-garden/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://wilmerags.gitbook.io/digital-garden/code/databases/mongo.md).

# Mongo

**Export database**:

```sh
mongodump --host <database-host> -d <database-name> --port <database-port> --out directory
```

**Import database**:

```sh
mongorestore --host <database-host> -d <database-name> --port <database-port> foldername
```

uri is also an option:

```sh
mongorestore --uri="uri" --dir="dir"
```

**Search by regex**

```js
db.collectionname.find({"name": {'$regex':'^File'}})
# All the documents that start with File
```

**Update field for a existing document**

```js
# Example
db.agents.find().forEach((doc) => {  doc.tags[0] = doc.tags[0].replace(">", "-"); db.agents.save(doc); });
```

## Python utils

**count records**

```python
collection.count_documents(query_string)
```

**Make sure update was done**

```python
try:
    result = self.settings_store.admin_users.update_one(user_query, language_insert)
    return result.matched_count > 0
except errors.PyMongoError as e:
    return False
```

## Useful tools

* [restheart](https://restheart.org/)