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SQL Server vs kdb+ comparison

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Comparison Buyer's Guide

Executive Summary

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

kdb+
Ranking in Relational Databases Tools
40th
Average Rating
9.0
Number of Reviews
1
Ranking in other categories
No ranking in other categories
SQL Server
Ranking in Relational Databases Tools
1st
Average Rating
8.4
Reviews Sentiment
6.5
Number of Reviews
276
Ranking in other categories
Database Management Systems (DBMS) (2nd)
 

Mindshare comparison

As of November 2026, in the Relational Databases Tools category, the mindshare of kdb+ is 1.0%, up from 0.6% compared to the previous year. The mindshare of SQL Server is 10.2%, down from 14.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Relational Databases Tools Mindshare Distribution
ProductMindshare (%)
SQL Server10.2%
kdb+1.0%
Other88.8%
Relational Databases Tools
 

Featured Reviews

Nitin Garg - PeerSpot reviewer
Vice President - Financial Services at Evalueserve
An easy-to-deploy solution that can be used for data ingestion and usage
I work for a fintech company where we create several strategies generally built on finance data, which are like one-time series data. We deal with huge bulk data on a daily basis, and we use kdb+ for data ingestion and usage The most valuable feature of kdb+ is the speed at which it returns the…
Shakti Gupta - PeerSpot reviewer
SQL server database administrator at a tech vendor with 10,001+ employees
Hybrid data platform has strengthened performance, security, and incident response for production
SQL Server is very mature, but I see areas for improvement, especially in performance tuning, troubleshooting, and automation. Although tools such as Query Store and dynamic management views are powerful, some troubleshooting tasks still require senior SQL Server database administrator expertise. It would be valuable to have more intelligent, built-in recommendations for root cause analysis, indexing, blocking, and query optimization. I would also like to see simplified and consistent management across on-premises SQL Server and Azure SQL services, as managing hybrid environments sometimes requires different tools and approaches. Finally, improved patching, updates, monitoring, and cost and license transparency could make SQL Server easier to manage at the enterprise scale. One area I would improve in SQL Server is its documentation and troubleshooting guidance. SQL Server documentation is comprehensive, but for complex production issues, I would like to see more real-world troubleshooting examples, especially for scenarios such as Always On synchronization issues, blocking and deadlocks, performance degradation, and upgrade features.

Quotes from Members

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

Pros

"The solution returns data quickly, and data retrieval is fast in kdb+."
"We have been very satisfied with its capabilities over the last decade."
"SQL Server suffices our main requirement of a small database, and it is also very cost-effective."
"The features that we have found the most valuable are reliability, availability perspective, and current scalability."
"The solution can be deployed in a few minutes."
"I like that it's very easy to use, and Veeam is excellent. There are tons of experts and writers in the area now, and we don't find the same for other databases."
"SQL Server is an inexpensive solution. I recommend it if the project isn't sensitive. SQL is similar to Oracle and integrates well with tools in the cloud environment. The difference is that Oracle is for data solutions where there is replication and moderation."
"Overall, it is generally a good product, and if you're interested in using this solution, my advice is to do your research because it's a good product, but there are other products available."
"The initial setup is easy, flawless."
 

Cons

"The solution should have a more user-friendly user interface."
"The scalability could be better."
"The product performance can become slow when the data reaches sizes like a terabyte."
"It may be a licensing issue, but sometimes its operating speed becomes slow if we have multiple users. It's lacking some performance, but it's acceptable because we have a heavy load."
"Third-party services from Redgate should be built-in to it, like SQL Search."
"Performance could be improved. There could be more support toward PHP-based websites and toward providing direct plugins for connections, and the related services or application services could be improved."
"If you are a new user then this solution could be difficult, they could improve by making the overall usage easier."
"Even if you have some technical agreement with Microsoft, the technical support of the solution won't help you. The support needs to be improved."
"The solution’s initial setup could be complex, requiring some design of how you want to lay everything out and what type of storage you want to put certain things on."
 

Pricing and Cost Advice

Information not available
"Some of our clients purchase the license and others do not, they use Express SQL Server."
"My advice is quite straightforward. If you know the number of users who really and truly need access to the Server then it is a no-brainer. If you do not know, then get the basic package and minimum licenses and start from there. Needless to say, users can develop/use data structures outside and then deploy onto the Server."
"The price of SQL Server could be better in the African market. The licensing model needs to be improved, it is confusing."
"Pricing is reasonable for small organizations, but the scaling increases the price."
"Cost is a major derivative for any organization. It has a reasonable cost value, and its cloud support is also better than others. Comparatively, Oracle can do the same things or is even better in certain areas, but it is expensive. The cost along with the support are the plus factors for SQL Server."
"SQL Server offers three versions. You can get a free trial for 30 days."
"We are on a monthly subscription and the price could improve. However, the price has worked out well in some deployments. The problem is you never know what kind of services been installed and you have to be in touch with many people, such as which servers are active or which are not. I did face a couple of issues in terms of subscriptions and the pricing model. They have improved over time."
"There is a license required for the use of SQL Server and we are on an annual subscription."
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Top Industries

By visitors reading reviews
Financial Services Firm
37%
Comms Service Provider
10%
Educational Organization
6%
Energy/Utilities Company
6%
Financial Services Firm
34%
Outsourcing Company
10%
Manufacturing Company
7%
Construction Company
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business119
Midsize Enterprise60
Large Enterprise122
 

Questions from the Community

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Would you say the price of SQL Server is high compared to that of similar products?
SQL Server is fairly priced because it has various editions, depending on the number of users, servers, or core packs you are using. If you compare the product to others in this category, the price...
Has using SQL Server helped your organization in any way?
SQL Server has helped my organization through partitioning to distribute the workload, as it splits them up into smaller pieces so the machines can easily deal with it. However, this comes with a h...
Which authentication mode is best for SQL Server?
My company connects through SQL Server authentication. We have company Windows accounts, but we do not want to connect the two, out of security concerns and to keep things separated for our own pur...
 

Comparisons

 

Also Known As

No data available
Microsoft SQL Server, MSSQL, MS SQL
 

Overview

 

Sample Customers

UniCredit, AIRBUS
Microsoft SQL Server is used by businesses in every industry, including Great Western Bank, Aviva, the Volvo Car Corporation, BMW, Samsung, Principality Building Society, Wellmark Blue Cross and Blue Shield, and the Catholic District School Board of Eastern Ontario.
Find out what your peers are saying about Microsoft, Oracle, SAP and others in Relational Databases Tools. Updated: October 2026.
920,769 professionals have used our research since 2012.