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Dec 9, 2018
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Adds instructions for error messages #3

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16 changes: 15 additions & 1 deletion README.md
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## Course
Thanks for taking the Intro to MongoDB course, created by Scott Moss & Frontend Masters. This course aims to cover a wide intro into using MongoDb with Nodejs. Topics refrain from going deep, but instead, focus on a wide view.
## Excercises
Note: To handle the error "MongoError: E11000 duplicate key error collection" by dropping the database
```bash
mongo
use dbName;
db.dropDatabase();
exit
```
(dbName is the name of the database)

### Installing MongoDB
Ther are many ways to install MongoDB. [The offical website](https://www.mongodb.com/download-center#community) has you covered either way. After installation, you might have to add a `dbPath`, a location where mongodb saves your data. You can do so like this.
There are many ways to install MongoDB. [The offical website](https://www.mongodb.com/download-center#community) has you covered either way. After installation, you might have to add a `dbPath`, a location where mongodb saves your data. You can do so like this.
```bash
mkdir -p /data/db
```
Note: If you have an error like "data directory not found" or "permission denied" while installing MongoDB:
```bash
sudo mkdir /data/db
sudo chown -R $USER /data/db
```
### Models
* location - `exercises/models`
* commands
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