# Amazon DynamoDB, Cassandra vs MongoDB Atlas Comparison

| | Amazon DynamoDB | Cassandra | MongoDB Atlas | 
|---|---|---|---|
| **Star Rating** | 4.4 out of 5 | 4.1 out of 5 | 4.5 out of 5 | 
| **Total Reviews** | 529 | 35 | 369 | 
| **Largest Market Segment** | Enterprise (34.2% of reviews) | Enterprise (48.5% of reviews) | Small-Business (57.6% of reviews) | 
| **Entry Level Price** | No pricing available | No pricing available | No pricing available | 

---
## Top Pros & Cons

### Amazon DynamoDB

Pros:
- Scalability (11 reviews)
- Ease of Use (8 reviews)

Cons:
- Expensive (9 reviews)
- Query Complexity (7 reviews)

### Cassandra

**Not enough data**

### MongoDB Atlas

Pros:
- Ease of Use (8 reviews)
- User Interface (7 reviews)

Cons:
- Expensive Pricing (3 reviews)
- Unclear Pricing (3 reviews)

---
## Ratings Comparison
| Rating | Amazon DynamoDB | Cassandra | MongoDB Atlas | 
|---|---|---|---|
  | **Meets Requirements** | 8.7 (379 reviews) | 8.3 (29 reviews) | 8.9 (270 reviews) | 
  | **Ease of Use** | 8.7 (382 reviews) | 7.8 (29 reviews) | 9.0 (272 reviews) | 
  | **Ease of Setup** | 8.9 (176 reviews) | 8.2 (18 reviews) | 9.1 (102 reviews) | 
  | **Ease of Admin** | 8.8 (164 reviews) | 7.9 (16 reviews) | 8.7 (96 reviews) | 
  | **Quality of Support** | 8.6 (359 reviews) | 7.5 (24 reviews) | 8.7 (241 reviews) | 
  | **Has the product been a good partner in doing business?** | 8.9 (155 reviews) | 7.4 (13 reviews) | 8.8 (91 reviews) | 
  | **Product Direction (% positive)** | 9.0 (355 reviews) | 6.9 (26 reviews) | 9.3 (266 reviews) | 

---
## Pricing

### Amazon DynamoDB

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

### Cassandra

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

### MongoDB Atlas

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

---
## Features Comparison By Category

### Business Intelligence

| Product | Score | Reviews |
|---|---|---|
| **Amazon DynamoDB** | N/A | N/A |
| **Cassandra** | N/A | N/A |
| **MongoDB Atlas** | 8.6/10 | 62 |

#### Reports

| Feature | Amazon DynamoDB | Cassandra | MongoDB Atlas | 
|---|---|---|---|
| **Reports Interface** | Not enough data | Not enough data | 8.2 (51 reviews) | 
| **Steps to Answer** | Not enough data | Not enough data | 8.2 (49 reviews) | 
| **Graphs and Charts** | Not enough data | Not enough data | 8.9 (57 reviews) | 
| **Score Cards** | Not enough data | Not enough data | 8.9 (46 reviews) | 
| **Dashboards** | Not enough data | Not enough data | 8.9 (55 reviews) | 

#### Self Service 

| Feature | Amazon DynamoDB | Cassandra | MongoDB Atlas | 
|---|---|---|---|
| **Calculated Fields** | Not enough data | Not enough data | Not enough data | 
| **Data Column Filtering** | Not enough data | Not enough data | Not enough data | 
| **Data Discovery** | Not enough data | Not enough data | Not enough data | 
| **Search** | Not enough data | Not enough data | Not enough data | 
| **Collaboration / Workflow** | Not enough data | Not enough data | Not enough data | 
| **Automodeling** | Not enough data | Not enough data | Not enough data | 

#### Advanced Analytics

| Feature | Amazon DynamoDB | Cassandra | MongoDB Atlas | 
|---|---|---|---|
| **Predictive Analytics** | Not enough data | Not enough data | Not enough data | 
| **Data Visualization** | Not enough data | Not enough data | Not enough data | 
| **Big Data Services** | Not enough data | Not enough data | Not enough data | 

#### Building Reports

| Feature | Amazon DynamoDB | Cassandra | MongoDB Atlas | 
|---|---|---|---|
| **Data Transformation** | Not enough data | Not enough data | Not enough data | 
| **Data Modeling** | Not enough data | Not enough data | Not enough data | 
| **WYSIWYG Report Design** | Not enough data | Not enough data | Not enough data | 
| **Integration APIs** | Not enough data | Not enough data | Not enough data | 

#### Platform

| Feature | Amazon DynamoDB | Cassandra | MongoDB Atlas | 
|---|---|---|---|
| **Mobile User Support** | Not enough data | Not enough data | Not enough data | 
| **Customization ** | Not enough data | Not enough data | Not enough data | 
| **User, Role, and Access Management** | Not enough data | Not enough data | Not enough data | 
| **Internationalization** | Not enough data | Not enough data | Not enough data | 
| **Sandbox / Test Environments** | Not enough data | Not enough data | Not enough data | 
| **Performance and Reliability** | Not enough data | Not enough data | Not enough data | 
| **Breadth of Partner Applications** | Not enough data | Not enough data | Not enough data | 

### Data Visualization

| Product | Score | Reviews |
|---|---|---|
| **Amazon DynamoDB** | N/A | N/A |
| **Cassandra** | N/A | N/A |
| **MongoDB Atlas** | 8.6/10 | 64 |

#### Reports

| Feature | Amazon DynamoDB | Cassandra | MongoDB Atlas | 
|---|---|---|---|
| **Reports Interface** | Not enough data | Not enough data | 8.2 (51 reviews) | 
| **Steps to Answer** | Not enough data | Not enough data | 8.2 (49 reviews) | 
| **Graphs and Charts** | Not enough data | Not enough data | 8.9 (57 reviews) | 
| **Score Cards** | Not enough data | Not enough data | 8.9 (46 reviews) | 
| **Dashboards** | Not enough data | Not enough data | 8.9 (55 reviews) | 

#### Reports

| Feature | Amazon DynamoDB | Cassandra | MongoDB Atlas | 
|---|---|---|---|
| **Reports Interface** | Not enough data | Not enough data | 8.6 (53 reviews) | 
| **Share Reports** | Not enough data | Not enough data | 8.6 (51 reviews) | 
| **Steps to Answer** | Not enough data | Not enough data | 7.9 (48 reviews) | 

#### Generative AI

| Feature | Amazon DynamoDB | Cassandra | MongoDB Atlas | 
|---|---|---|---|
| **AI Text Generation** | Not enough data | Not enough data | Not enough data | 
| **AI Text Summarization** | Not enough data | Not enough data | Not enough data | 

#### Visualization

| Feature | Amazon DynamoDB | Cassandra | MongoDB Atlas | 
|---|---|---|---|
| **Graphs and Charts** | Not enough data | Not enough data | 9.0 (56 reviews) | 
| **Score Cards** | Not enough data | Not enough data | 8.4 (46 reviews) | 
| **Dashboards** | Not enough data | Not enough data | 9.2 (55 reviews) | 
| **Formats** | Not enough data | Not enough data | 8.5 (49 reviews) | 

#### Data Updates

| Feature | Amazon DynamoDB | Cassandra | MongoDB Atlas | 
|---|---|---|---|
| **Historical Snapshots** | Not enough data | Not enough data | 8.6 (46 reviews) | 
| **Real-Time Updating** | Not enough data | Not enough data | 8.7 (54 reviews) | 

#### Collaboration

| Feature | Amazon DynamoDB | Cassandra | MongoDB Atlas | 
|---|---|---|---|
| **Sharing** | Not enough data | Not enough data | 8.6 (49 reviews) | 
| **Co-Editing** | Not enough data | Not enough data | 8.5 (43 reviews) | 
| **Devices** | Not enough data | Not enough data | 8.1 (47 reviews) | 

#### Data Updates

| Feature | Amazon DynamoDB | Cassandra | MongoDB Atlas | 
|---|---|---|---|
| **Historical Snapshots** | Not enough data | Not enough data | 8.6 (44 reviews) | 
| **Real-Time Updating** | Not enough data | Not enough data | 8.7 (50 reviews) | 
| **Email Reports** | Not enough data | Not enough data | 8.3 (46 reviews) | 

### Key Value Databases

| Product | Score | Reviews |
|---|---|---|
| **Amazon DynamoDB** | 8.7/10 | 147 |
| **Cassandra** | N/A | N/A |
| **MongoDB Atlas** | N/A | N/A |

#### Data Management

| Feature | Amazon DynamoDB | Cassandra | MongoDB Atlas | 
|---|---|---|---|
| **Data Model** | 8.4 (130 reviews) ✓ Verified | Not enough data | Not enough data | 
| **Data Types** | 8.4 (132 reviews) ✓ Verified | Not enough data | Not enough data | 

#### Availability

| Feature | Amazon DynamoDB | Cassandra | MongoDB Atlas | 
|---|---|---|---|
| **Auto Sharding** | 8.7 (103 reviews) ✓ Verified | Not enough data | Not enough data | 
| **Auto Recovery** | 8.9 (112 reviews) ✓ Verified | Not enough data | Not enough data | 
| **Data Replication** | 9.1 (114 reviews) ✓ Verified | Not enough data | Not enough data | 

#### Performance 

| Feature | Amazon DynamoDB | Cassandra | MongoDB Atlas | 
|---|---|---|---|
| **Integrated Cache** | 8.5 (101 reviews) ✓ Verified | Not enough data | Not enough data | 

#### Security

| Feature | Amazon DynamoDB | Cassandra | MongoDB Atlas | 
|---|---|---|---|
| **Role-Based Authorization** | 8.9 (119 reviews) ✓ Verified | Not enough data | Not enough data | 
| **Authentication** | 9.0 (118 reviews) ✓ Verified | Not enough data | Not enough data | 
| **Audit Logs** | 8.5 (112 reviews) ✓ Verified | Not enough data | Not enough data | 
| **Encryption** | 8.8 (108 reviews) ✓ Verified | Not enough data | Not enough data | 

#### Support

| Feature | Amazon DynamoDB | Cassandra | MongoDB Atlas | 
|---|---|---|---|
| **Multi-Model** | 8.3 (100 reviews) ✓ Verified | Not enough data | Not enough data | 
| **Operating Systems** | 8.6 (101 reviews) ✓ Verified | Not enough data | Not enough data | 

### Document Databases

| Product | Score | Reviews |
|---|---|---|
| **Amazon DynamoDB** | 8.7/10 | 111 |
| **Cassandra** | N/A | N/A |
| **MongoDB Atlas** | 8.9/10 | 61 |

#### Data Management

| Feature | Amazon DynamoDB | Cassandra | MongoDB Atlas | 
|---|---|---|---|
| **Data Model** | 8.8 (90 reviews) | Not enough data | 9.2 (56 reviews) | 
| **Data Types** | 8.8 (90 reviews) | Not enough data | 9.3 (56 reviews) | 
| **Built - In Search** | 8.5 (84 reviews) | Not enough data | 8.7 (53 reviews) | 
| **Event Triggers** | 8.5 (74 reviews) | Not enough data | 8.7 (50 reviews) | 

#### Availability

| Feature | Amazon DynamoDB | Cassandra | MongoDB Atlas | 
|---|---|---|---|
| **Auto Sharding** | 8.7 (77 reviews) | Not enough data | 8.9 (48 reviews) | 
| **Auto Recovery** | 8.9 (80 reviews) | Not enough data | 8.6 (49 reviews) | 
| **Data Replication** | 8.9 (83 reviews) | Not enough data | 9.0 (52 reviews) | 

#### Performance

| Feature | Amazon DynamoDB | Cassandra | MongoDB Atlas | 
|---|---|---|---|
| **Query Optimization** | 8.4 (87 reviews) | Not enough data | 8.6 (54 reviews) | 

#### Security

| Feature | Amazon DynamoDB | Cassandra | MongoDB Atlas | 
|---|---|---|---|
| **Role-Based Authorization** | 8.9 (82 reviews) | Not enough data | 9.0 (55 reviews) | 
| **Authentication** | 9.1 (81 reviews) | Not enough data | 9.2 (56 reviews) | 
| **Audit Logs** | 8.5 (75 reviews) | Not enough data | 8.8 (51 reviews) | 
| **Encryption** | 8.7 (78 reviews) | Not enough data | 9.0 (53 reviews) | 

#### Support

| Feature | Amazon DynamoDB | Cassandra | MongoDB Atlas | 
|---|---|---|---|
| **Multi-Model** | 8.5 (70 reviews) | Not enough data | 8.5 (52 reviews) | 
| **Operating Systems** | 8.4 (73 reviews) | Not enough data | 9.2 (50 reviews) | 
| **BI Connectors** | 8.3 (57 reviews) | Not enough data | 8.7 (40 reviews) | 

### Wide Column Database

| Product | Score | Reviews |
|---|---|---|
| **Amazon DynamoDB** | N/A | N/A |
| **Cassandra** | N/A | N/A |
| **MongoDB Atlas** | N/A | N/A |

#### Storage

| Feature | Amazon DynamoDB | Cassandra | MongoDB Atlas | 
|---|---|---|---|
| **Data Storage Method** | Not enough data | Not enough data | Not enough data | 

#### Scalability

| Feature | Amazon DynamoDB | Cassandra | MongoDB Atlas | 
|---|---|---|---|
| **Database Scalability** | Not enough data | Not enough data | Not enough data | 
| **Auto Sharding** | Not enough data | Not enough data | Not enough data | 

#### Security

| Feature | Amazon DynamoDB | Cassandra | MongoDB Atlas | 
|---|---|---|---|
| **Order Preserving Encryption** | Not enough data | Not enough data | Not enough data | 

#### Support

| Feature | Amazon DynamoDB | Cassandra | MongoDB Atlas | 
|---|---|---|---|
| **Data Types Support** | Not enough data | Not enough data | Not enough data | 
| **Different Operating Systems** | Not enough data | Not enough data | Not enough data | 
| **Multi model Database Support** | Not enough data | Not enough data | Not enough data | 

#### Agentic AI - Wide Column Database

| Feature | Amazon DynamoDB | Cassandra | MongoDB Atlas | 
|---|---|---|---|
| **Decision Making** | Not enough data | Not enough data | Not enough data | 

### Database as a Service (DBaaS)

| Product | Score | Reviews |
|---|---|---|
| **Amazon DynamoDB** | 8.8/10 | 188 |
| **Cassandra** | N/A | N/A |
| **MongoDB Atlas** | 8.8/10 | 160 |

#### Configuration

| Feature | Amazon DynamoDB | Cassandra | MongoDB Atlas | 
|---|---|---|---|
| **Application Performance** | 9.0 (167 reviews) | Not enough data | 9.2 (136 reviews) | 
| **Orchestration** | 8.7 (153 reviews) | Not enough data | 8.5 (117 reviews) | 
| **Database Monitoring** | 8.9 (162 reviews) | Not enough data | 9.0 (129 reviews) | 
| **Anomaly Detection** | 8.4 (131 reviews) | Not enough data | 8.3 (109 reviews) | 
| **Network Security** | 9.0 (142 reviews) | Not enough data | 9.0 (122 reviews) | 

#### Database Administration

| Feature | Amazon DynamoDB | Cassandra | MongoDB Atlas | 
|---|---|---|---|
| **Provisioning** | 8.8 (141 reviews) | Not enough data | 8.8 (125 reviews) | 
| **Governance** | 8.9 (130 reviews) | Not enough data | 8.8 (116 reviews) | 
| **Auditing** | 8.6 (125 reviews) | Not enough data | 8.6 (110 reviews) | 

#### Availability

| Feature | Amazon DynamoDB | Cassandra | MongoDB Atlas | 
|---|---|---|---|
| **Scalability** | 9.3 (165 reviews) | Not enough data | 9.2 (129 reviews) | 
| **Backup** | 9.0 (158 reviews) | Not enough data | 8.8 (125 reviews) | 
| **Archiving** | 8.7 (145 reviews) | Not enough data | 8.5 (113 reviews) | 
| **Indexing** | 8.9 (154 reviews) | Not enough data | 9.0 (127 reviews) | 

#### Security

| Feature | Amazon DynamoDB | Cassandra | MongoDB Atlas | 
|---|---|---|---|
| **Data Masking** | 8.8 (89 reviews) | Not enough data | 8.7 (74 reviews) | 
| **Authentication And Single Sign-On** | 9.0 (102 reviews) | Not enough data | 9.0 (80 reviews) | 
| **Data Anonymization** | 8.8 (91 reviews) | Not enough data | 8.7 (72 reviews) | 

#### Data Management

| Feature | Amazon DynamoDB | Cassandra | MongoDB Atlas | 
|---|---|---|---|
| **Data Replication** | 8.9 (109 reviews) | Not enough data | 8.7 (79 reviews) | 
| **Advanced Data Analytics** | 8.7 (91 reviews) | Not enough data | 8.8 (68 reviews) | 

### NoSQL Databases

| Product | Score | Reviews |
|---|---|---|
| **Amazon DynamoDB** | N/A | N/A |
| **Cassandra** | N/A | N/A |
| **MongoDB Atlas** | N/A | N/A |

#### Database Features

| Feature | Amazon DynamoDB | Cassandra | MongoDB Atlas | 
|---|---|---|---|
| **Storage** | Not enough data | Not enough data | Not enough data | 
| **Availability** | Not enough data | Not enough data | Not enough data | 
| **Stability** | Not enough data | Not enough data | Not enough data | 
| **Scalability** | Not enough data | Not enough data | Not enough data | 
| **Security** | Not enough data | Not enough data | Not enough data | 
| **Data Manipulation** | Not enough data | Not enough data | Not enough data | 
| **Query Language** | Not enough data | Not enough data | Not enough data | 

---
## Categories

**Unique to Amazon DynamoDB (3):** [Document Databases](https://www.g2.com/categories/document-databases), [Database as a Service (DBaaS) Providers](https://www.g2.com/categories/database-as-a-service-dbaas), [Key Value Databases](https://www.g2.com/categories/key-value-databases)

**Unique to Cassandra (2):** [Wide Column Database Software](https://www.g2.com/categories/wide-column-database), [Key Value Databases](https://www.g2.com/categories/key-value-databases)

**Unique to MongoDB Atlas (3):** [Database as a Service (DBaaS) Providers](https://www.g2.com/categories/database-as-a-service-dbaas), [Document Databases](https://www.g2.com/categories/document-databases), [Data Visualization Tools](https://www.g2.com/categories/data-visualization-tools)


---
## Reviewer Demographics

### By Company Size

| Segment | Amazon DynamoDB | Cassandra | MongoDB Atlas | 
|---|---|---|---|
| **Small-Business** | 32.4% | 18.2% | 57.6% | 
| **Mid-Market** | 33.4% | 33.3% | 25.3% | 
| **Enterprise** | 34.2% | 48.5% | 17.2% | 

### By Industry

#### Amazon DynamoDB

- **Computer Software:** 27.2%
- **Information Technology and Services:** 16.7%
- **Financial Services:** 7.0%
- **Hospital & Health Care:** 3.2%
- **Banking:** 3.0%
- **Computer & Network Security:** 2.8%
- **Accounting:** 2.2%
- **Marketing and Advertising:** 2.2%
- **Retail:** 2.2%
- **Education Management:** 2.0%
- **Other:** 31.4%

#### Cassandra

- **Information Technology and Services:** 30.3%
- **Internet:** 18.2%
- **Computer Software:** 12.1%
- **Retail:** 9.1%
- **Computer & Network Security:** 6.1%
- **Telecommunications:** 3.0%
- **Research:** 3.0%
- **Political Organization:** 3.0%
- **Marketing and Advertising:** 3.0%
- **Higher Education:** 3.0%
- **Other:** 9.1%

#### MongoDB Atlas

- **Computer Software:** 29.9%
- **Information Technology and Services:** 21.8%
- **Higher Education:** 4.1%
- **Education Management:** 4.1%
- **Financial Services:** 3.2%
- **Consumer Services:** 2.0%
- **Telecommunications:** 1.7%
- **Internet:** 1.5%
- **Insurance:** 1.5%
- **Marketing and Advertising:** 1.5%
- **Other:** 28.8%

---
## Alternatives

### Alternatives to Amazon DynamoDB

- [Couchbase](https://www.g2.com/products/couchbase/reviews) — 4.3/5 stars (150 reviews)
- [Azure Cosmos DB](https://www.g2.com/products/azure-cosmos-db/reviews) — 4.2/5 stars (68 reviews)
- [Redis Software](https://www.g2.com/products/redis-software/reviews) — 4.5/5 stars (134 reviews)
- [Google Cloud Firestore](https://www.g2.com/products/google-cloud-firestore/reviews) — 4.2/5 stars (97 reviews)
- [MongoDB](https://www.g2.com/products/mongodb/reviews) — 4.5/5 stars (554 reviews)
- [Arango](https://www.g2.com/products/arango/reviews) — 4.6/5 stars (115 reviews)
- [DigitalOcean](https://www.g2.com/products/digitalocean/reviews) — 4.6/5 stars (746 reviews)
- [ScyllaDB](https://www.g2.com/products/scylladb/reviews) — 4.5/5 stars (427 reviews)
- [Google Cloud SQL](https://www.g2.com/products/google-cloud-sql/reviews) — 4.5/5 stars (366 reviews)
- [IBM Db2](https://www.g2.com/products/ibm-db2/reviews) — 4.1/5 stars (682 reviews)

### Alternatives to Cassandra

- [ScyllaDB](https://www.g2.com/products/scylladb/reviews) — 4.5/5 stars (427 reviews)
- [Redis Software](https://www.g2.com/products/redis-software/reviews) — 4.5/5 stars (134 reviews)
- [Arango](https://www.g2.com/products/arango/reviews) — 4.6/5 stars (115 reviews)
- [Azure Cosmos DB](https://www.g2.com/products/azure-cosmos-db/reviews) — 4.2/5 stars (68 reviews)
- [Couchbase](https://www.g2.com/products/couchbase/reviews) — 4.3/5 stars (150 reviews)
- [OrientDB](https://www.g2.com/products/orientdb/reviews) — 3.9/5 stars (60 reviews)
- [Aerospike](https://www.g2.com/products/aerospike/reviews) — 4.4/5 stars (83 reviews)
- [Azure Table Storage](https://www.g2.com/products/azure-table-storage/reviews) — 4.3/5 stars (16 reviews)
- [Cloudera Data Platform](https://www.g2.com/products/cloudera-cloudera-data-platform/reviews) — 4.1/5 stars (136 reviews)
- [Amazon ElastiCache](https://www.g2.com/products/amazon-elasticache/reviews) — 4.5/5 stars (87 reviews)

### Alternatives to MongoDB Atlas

- [Google Cloud Firestore](https://www.g2.com/products/google-cloud-firestore/reviews) — 4.2/5 stars (97 reviews)
- [Azure Cosmos DB](https://www.g2.com/products/azure-cosmos-db/reviews) — 4.2/5 stars (68 reviews)
- [Amazon DocumentDB](https://www.g2.com/products/amazon-documentdb/reviews) — 4.3/5 stars (44 reviews)
- [Amazon Relational Database Service (RDS)](https://www.g2.com/products/amazon-relational-database-service-rds/reviews) — 4.5/5 stars (906 reviews)
- [DigitalOcean](https://www.g2.com/products/digitalocean/reviews) — 4.6/5 stars (746 reviews)
- [Amazon Aurora](https://www.g2.com/products/amazon-aurora/reviews) — 4.5/5 stars (457 reviews)
- [Google Cloud SQL](https://www.g2.com/products/google-cloud-sql/reviews) — 4.5/5 stars (366 reviews)
- [Azure SQL Database](https://www.g2.com/products/azure-sql-database/reviews) — 4.5/5 stars (240 reviews)
- [Oracle Database](https://www.g2.com/products/oracle-database/reviews) — 4.3/5 stars (1010 reviews)
- [Google Cloud BigTable](https://www.g2.com/products/google-cloud-bigtable/reviews) — 4.4/5 stars (41 reviews)

---
## Top Discussions

### Amazon DynamoDB

- Title: [Which of the following is a feature of DynamoDB?](https://www.g2.com/discussions/which-of-the-following-is-a-feature-of-dynamodb) — 3 comments
  > **Top comment:** "It is document database and it has capacity to scale horizontally more than 10 trillion request per day with peaks greater than 20 million requests per second."
- Title: [What is Amazon DynamoDB describe an application that can benefit from Amazon Dynamodb?](https://www.g2.com/discussions/what-is-amazon-dynamodb-describe-an-application-that-can-benefit-from-amazon-dynamodb) — 3 comments
  > **Top comment:** "Nice"
- Title: [how do i create a amazon dynamodb table locally?](https://www.g2.com/discussions/how-do-i-create-a-amazon-dynamodb-table-locally) — 2 comments, 2 upvotes
  > **Top comment:** "There is no way that you can setup a DynamoDB locally. In fact, there is no AWS service that you can setup locally. 
However, there are some other tools..."
- Title: [What is the most complex usage of dynamodb?](https://www.g2.com/discussions/32345-what-is-the-most-complex-usage-of-dynamodb) — 2 comments, 1 upvote
  > **Top comment:** "G2 is not honest.

I wrote 4 detailed reviews because I should win a $10 Amazon gift card for each review. According to G2 dashboard, my reviews reached..."
- Title: [What kind of database is DynamoDB?](https://www.g2.com/discussions/what-kind-of-database-is-dynamodb) — 1 comment
  > **Top comment:** "In short, Fast, Scalable, Robust NoSQL"

### Cassandra

No discussions available for this product.

### MongoDB Atlas

- Title: [can we axpect more feature available to students as developerss it would be verry helpful](https://www.g2.com/discussions/can-we-axpect-more-feature-available-to-students-as-developerss-it-would-be-verry-helpful) — 4 comments, 1 upvote
  > **Top comment:** "yes."
- Title: [Is MongoDB Atlas free?](https://www.g2.com/discussions/is-mongodb-atlas-free) — 3 comments
  > **Top comment:** "No it's not free - it's MongoDB's end to end management service "
- Title: [What is the difference between MongoDB and Mongodb Atlas?](https://www.g2.com/discussions/what-is-the-difference-between-mongodb-and-mongodb-atlas) — 2 comments
  > **Top comment:** "MongoDB is the Database only.  You can run MongoDB in your machine or in a server, but you would need to manage it. 
MongoDB Atlas is the Database as a..."
- Title: [How does MongoDB Atlas handle backups?](https://www.g2.com/discussions/backups) — 2 comments, 1 upvote *(includes official response)*
  > **Top comment:** "Continuous Backup:

MongoDB Atlas continuously backs up your data, ensuring your backups are just a few seconds behind the operational system. The platform..."
- Title: [What scale does MongoDB Atlas support?](https://www.g2.com/discussions/scalability-6bf8928f-a43e-41fa-a268-080310558f58) — 2 comments, 1 upvote *(includes official response)*
  > **Top comment:** "MongoDB is one of the most scalable databases on the planet, and MongoDB Atlas brings you that same scalability, but with us managing it for you:

You can..."

---
**Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/amazon-web-services-aws-amazon-dynamodb-vs-cassandra-vs-mongodb-atlas)