September database Ranking: Microsoft SQL Server rare decline in scores

DB-Engines database update popularity rankings published in September, before the top 20 are as follows:

Clearly can be seen, consistent with the overall rankings and last month. And last month, there are no fractional decline of PostgreSQL and MongoDB finally "return to the right path", scores have increased slightly. Compared with last month, PostgreSQL and MongoDB increased scores were 0.91 and 5.50. But if compared to last year's score and the two can be said to be a huge step forward.

But this list of the most surprising or Microsoft SQL Server performance, it's rare to score has decreased, decreased 8.12 points from the previous month. Look back to the Microsoft SQL Server fractional change in trend this year:

You can see, this is the first time it appears this year scores of decline.

Changes related to other areas, as well as the full ranking, please see  https://db-engines.com/en/ranking .

Next, look at the top ten trends Figure :

Overall, scores TOP 5 database maintained a rising trend, while the score behind the database are showing momentum of decline.

Finally, look at the rankings for each database.

Relational Database Top 10 is as follows:

Key-Value database 10 as before:

Document Database Top 10 is as follows:

FIG front database 10 as follows:

Timing Database Top 10 is as follows:

It can be seen in the timing inside the database, it has moved up faster GridDB and TimescaleDB.

DB-Engines rank the database management system based on popularity, rankings updated monthly. Data rankings based on five different indicators :

1. The number of keywords search engines Google and Bing search

2. Search number of Google Trends

3. Indeed job search sites in the amount of

4. LinkedIn is mentioned several personal information keywords

5. Stackoverflow 上相关的问题和关注者数量

这份榜单分析旨在为数据库相关从业人员提供一个技术方向的参考，其中涉及到的排名情况并非基于产品的技术先进程度或市场占有率等因素。无论排名先后，选择适合与企业业务需求相比配的技术，才是最重要的。