> For the complete documentation index, see [llms.txt](https://gchandra.gitbook.io/big-data-and-tools-with-nosql/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://gchandra.gitbook.io/big-data-and-tools-with-nosql/big-data-overview/the-big-4-vs/variety.md).

# Variety

### Variety <a href="#variety" id="variety"></a>

#### Types of Data <a href="#types-of-data-2" id="types-of-data-2"></a>

**By Source**

* Social Media (YT, FB, LinkedIn, Twitter...)
* IoT (Sensors, Cameras..)
* Stock Market, Smart Cars, Smart gadgets

**By Data format**

* Structured Data (rows/columns CSV,Excel)
* Semi-Structured Data (JSON / XML)
* Unstructured Data (Video, Audio, Document, Email)

### Format of Data

**Structured Data**

| ID  | Name           | Join Date  |
| --- | -------------- | ---------- |
| 101 | Rachel Green   | 2020-05-01 |
| 201 | Joey Tribianni | 1998-07-05 |
| 301 | Monica Geller  | 1999-12-14 |
| 401 | Cosmo Kramer   | 2001-06-05 |

#### **Semi-Structred Data** <a href="#format-of-data" id="format-of-data"></a>

**JSON**

```
[
   {
      "id":1,
      "name":"Rachel Green",
      "gender":"F",
      "series":"Friends"
   },
   {
      "id":"2",
      "name":"Sheldon Cooper",
      "gender":"M",
      "series":"BBT"
   }
]

```

**XML**

```
<?xml version="1.0" encoding="UTF-8"?>
<actors>
   <actor>
      <id>1</id>
      <name>Rachel Green</name>
      <gender>F</gender>
      <series>Friends</series>
   </actor>

   <actor>
      <id>2</id>
      <name>Sheldon Cooper</name>
      <gender>M</gender>
      <series>BBT</series>
   </actor>
</actors>
```

### UnStructured Data

Images, Video, Audio, Email, Log files, Web Scraping

```
Rachel Green acted in Friends series. Her role is very popular. 
Similarly Sheldon Cooper acted in BBT. He acted as nerd physicist.
```