IBM Db2 Database vs SingleStore comparison

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IBM Db2 Database

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Executive Summary

We performed a comparison between IBM Db2 Database and SingleStore based on real PeerSpot user reviews.

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Relational Databases Tools

November 2025

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Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:

Categories and Ranking

IBM Db2 Database

Average Rating

8.2

Reviews Sentiment

6.7

Number of Reviews

Ranking in other categories

Relational Databases Tools (6th)

SingleStore

Average Rating

8.8

Reviews Sentiment

7.4

Number of Reviews

Ranking in other categories

Database as a Service (DBaaS) (11th), Vector Databases (15th)

Mindshare comparison

While both are Databases solutions, they serve different purposes. IBM Db2 Database is designed for Relational Databases Tools and holds a mindshare of 6.8%, down 7.2% compared to last year.
SingleStore, on the other hand, focuses on Database as a Service (DBaaS), holds 3.0% mindshare, up 1.3% since last year.

Relational Databases Tools Market Share Distribution
Product	Market Share (%)
IBM Db2 Database	6.8%
SQL Server	13.2%
Oracle Database	11.8%
Other	68.2%

Relational Databases Tools

Database as a Service (DBaaS) Market Share Distribution
Product	Market Share (%)
SingleStore	3.0%
Amazon RDS	16.7%
MongoDB Atlas	13.2%
Other	67.1%

Database as a Service (DBaaS)

Featured Reviews

reviewer2708292

Associate Director, Data Architecture at a financial services firm with 10,001+ employees

Support improves setup and maintenance while pricing influences decision

If you have a similar use case and the same deal with IBM as our company, it is definitely a good option and choice. The company I work with has more than 50,000 people and more than 500 support staff. We are not locked into one database vendor. We typically work with multiple database vendors simultaneously, selecting the top choice based on the deals we make and other considerations. We do not use IBM Db2 Database related to AI at this moment because our AI project PLC is still very small scale. We may consider it in the future if we have enough scale. Overall rating for IBM Db2 Database is 8.5 out of 10.

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reviewer2321985

Database Administrator at a tech services company with 1-10 employees

Supports in-memory data types, storing data on RAM for high performance

For new customers, it's very tough to start. Their documentation isn't organized, and there's no online training available. SingleStore is working on it, but that's a major drawback. Also, technically, SingleStore needs more features on the SQL part. Most SQL boards work in MySQL, and SingleStore integrated all its sequel with MySQL, so nearly 99% of MySQL code runs on SingleStore. But features like TVF and UDL lack depth. Users have to walk into it, and SingleStore has minimal features there. IUDF, TVF, and stored procedures are not as advanced as SQL Server's. That's one thing I would like to see improved.

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Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:

Pros

"Reliable, robust with great features."

"The scalability and availability of this solution are the most valuable features."

"The IBM Db2 multi-workload helps me manage diverse business applications with easy management."

"It is a scalable solution."

"The most valuable features are the simplicity of the database and the access to Db2 and Db2 information."

"The performance of the solution is valuable."

"Some of the most valuable features are the scaling from a small very cheap installation to a very large enterprise installation. In addition, the backups and assistance are good."

"The solution is easy to install and simple to maintain. The most valuable aspect of the solution is its general user-friendliness for users of all kinds."

More IBM Db2 Database pros

"The product can automatically reinstall and reconfigure in case of a shutdown."

"The most valuable feature is the ability to create pipelines, streamline and extract data from the pipelines."

"MemSQL supports the MySQL protocol, and many functions are similar, so the learning curve is very short."

"The ability to store data in memory is a standout feature, enhanced by robust failover mechanisms."

"It's a distributed relational database, so it does not have a single server, it has multiple servers. Its architecture itself is fast because it has multiple nodes to distribute the workload and process large amounts of data."

"The paramount advantage is the exceptional speed."

Cons

"IBM's products tend to be quite costly, especially given the availability of free, open-source alternatives."

"IBM Db2 Database could improve with better security."

"The price should be lower."

"There could be better integration with some cloud solutions."

"They could enhance the product's cloud integration and general-purpose database capabilities."

"There could be more user-friendly tools with features such as drag-and-drop functionality, visual basics, and low-code capabilities."

"The technical support team is not very good when compared to the efficiency of Oracle's support."

"The product’s user interface is not easy to use."

More IBM Db2 Database cons

"Having the ability to migrate servers using a single command would be extremely beneficial."

"There should be more pipelines available because I think that if MemSQL can connect to other services, that would be great."

"We don't get good discounts in Pakistan."

"For new customers, it's very tough to start. Their documentation isn't organized, and there's no online training available. SingleStore is working on it, but that's a major drawback."

"Poor key distribution can significantly impact performance, requiring a backward approach in design rather than adding tables incrementally."

"It is not the optimal choice for direct data collection through queries, and it's more suited for aggregation tasks."

Pricing and Cost Advice

"We normally handle large size businesses and as far as I am aware, the license is negotiable based on the number of users and the quantitative data."

"We purchase the product's yearly license."

"It's very expensive."

"The solution's pricing is fine."

"I rate the price of the IBM Db2 Database an eight out of ten."

"Compared to other databases, Db2 is relatively cheaper."

"We don't see what the specific price of the DB2 license is because we pay for the backup license as a package."

"The solution costs less than other products."

More IBM Db2 Database pricing and cost advice

"I would advise users to try the free 128GB version."

"The product's licensing is not expensive. It is comparable."

"SingleStore is a bit expensive."

"They have two main options: cloud installation and bare-metal installation, each with different pricing models."

"Using it for analytical purposes can be cost-effective in the long run, especially in terms of infrastructure."

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Top Industries

By visitors reading reviews

Financial Services Firm

19%

Manufacturing Company

Computer Software Company

Government

Financial Services Firm

31%

Computer Software Company

10%

Comms Service Provider

Manufacturing Company

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

By reviewers
Company Size	Count
Small Business	20
Midsize Enterprise	13
Large Enterprise	48

By reviewers
Company Size	Count
Small Business	4
Large Enterprise	3

Questions from the Community

What do you like most about IBM Db2 Database?

Db2 database scalability and performance capabilities match our database needs. It covers pretty much everything a database administrator or engineer might need.

What is your experience regarding pricing and costs for IBM Db2 Database?

IBM Db2 is an expensive solution. While I am not heavily involved with pricing, additional companies provide capabilities or products like those from BMC, which many installations might also purchase.

What needs improvement with IBM Db2 Database?

The IBM Db2 Database is a good solution, but now there is a high maintenance charge. The IBM Db2 Database needs improved support, and there are many difficulties in using it. We tend to use the clo...

What is your experience regarding pricing and costs for SingleStore DB?

Using it for analytical purposes can be cost-effective in the long run, especially in terms of infrastructure. While building an on-premise cluster incurs an initial cost for servers with ample RAM...

SQL Server vs IBM Db2 Database

Comparisons

Compared 36% of the time

Oracle Database vs IBM Db2 Database

Compared 17% of the time

SAP HANA vs IBM Db2 Database

Compared 11% of the time

Teradata vs IBM Db2 Database

Compared 11% of the time

Oracle Multitenant vs IBM Db2 Database

Compared 2% of the time

More IBM Db2 Database Competitors

ClickHouse vs SingleStore

Compared 8% of the time

SQL Server vs SingleStore

Compared 7% of the time

Supabase Vector vs SingleStore

Compared 6% of the time

CockroachDB vs SingleStore

Compared 6% of the time

Citus Data vs SingleStore

Compared 2% of the time

More SingleStore Competitors

Product Reports

Download IBM Db2 Database product report

IBM Db2 Database

December 2025

Download SingleStore product report

December 2025

Also Known As

DB2

No data available

Overview

DB2 Enterprise for Linux, UNIX, and Windows is the ideal data server for the most demanding workloads. New XML support is designed to help firms minimize the time and effort it takes to persist and use their XML data reducing development costs and improving business agility.

IBM

SingleStore delivers the performance you need for enterprise AI, providing the most performant data platform for apps and analytics at scale. SingleStore enables organizations to scale from one to one million customers in one unified platform. SingleStore offers transparent pricing as shown here https://www.singlestore.com/pricing/

SingleStore caters to over 400 customers globally, including major banks and tech companies in 50+ countries and 40+ verticals. It offers seamless scaling for both transactional and analytical workloads, simplifying data management with its MySQL compatibility and real-time processing capabilities. SingleStore's distributed architecture ensures speed and reliability, efficiently handling large data volumes.

What are the key features of SingleStore?

MySQL Compatibility: Eases the learning curve for users.
Built-in Pipelines: Connects to S3, Kafka, and more.
High Concurrency: Processes billions of records swiftly.
Replication & Failover: Enhances speed and reliability.
In-memory Storage: Ensures data safety and quick access.

What benefits can users find in SingleStore reviews?

Automatic Reconfiguration: Simplifies management tasks.
Impressive SQL Performance: Supports complex queries efficiently.
Scalability: Handles large datasets with a multi-node setup.

Top banks and fintech companies leverage SingleStore for efficient management of financial data, while media and telecom industries use it for scalable metadata management and improved data processing. Retail and eCommerce sectors benefit from enhanced transactional capabilities, reducing the need for separate databases and optimizing reporting processes. SingleStore's capacity to unite diverse workloads makes it a strategic choice across many sectors.

Sample Customers

Knorr-Bremse, Mizuho Bank Ltd., Australian Government Department of Defence, SCHWENK Zement, Friedhelm Loh Group, YAZAKI Europe Limited, Ekornes ASA, Baldor Electric, VSN Systemen BV, Lion Brewery (Ceylon) PLC, PLANSEE Group, TE Connectivity, Hansgrohe SE, Openmatics, University of Toronto

400+ customers including: 6sense, Adobe, Akamai, Ant Money, Arcules, CARFAX, Cigna, Cisco, Comcast, DELL, DBS Bank, Dentsu, DirectlyApply, EY, Factors.AI, Fathom Analytics, FirstEnergy, GE, Goldman Sachs, Heap, Hulu, IMAX, impact.com, Kroger, LG, LiveRamp, Lumana, Nvidia, OpenDialog, Outreach, Palo Alto Networks, PicPay, RBC, Samsung, SegMetrics, Siemens, SiteImprove, SiriusXM, SK Telecom, SKAI, SONY, STC, SunRun, TATA, Thorn, ZoomInfo.