Table of Contents Global Time Series Databases Software Market Status and Outlook 2020-2025 1 Market Overview 1.1 Time Series Databases Software Definition 1.1.1 Analysis of Macroeconomic Indicators 1.1.2 Years Considered 1.2 Time Series Databases Software Segment by Type 1.2.1 Cloud-based 1.2.2 Web-based 1.3 Market Analysis by Application 1.3.1 Large Enterprises 1.3.2 SMEs 1.4 Global Time Series Databases Software Market Size (Million USD) Comparison by Regions (2020-2025) 1.4.1 Global Time Series Databases Software Market Size (2015-2025) 1.4.2 North America Time Series Databases Software Status and Prospect (2015-2025) 1.4.3 Europe Time Series Databases Software Status and Prospect (2015-2025) 1.4.4 Asia-Pacific Time Series Databases Software Status and Prospect (2015-2025) 1.4.5 South America Time Series Databases Software Status and Prospect (2015-2025) 1.4.6 Middle East & Africa Time Series Databases Software Status and Prospect (2015-2025) 1.5 Market Dynamics 1.5.1 Market Opportunities 1.5.2 Market Risk 1.5.3 Market Driving Force 1.5.4 Porter's Five Forces Analysis 1.5.5 SWOT Analysis 1.6 Coronavirus Disease 2019 (Covid-19): Time Series Databases Software Industry Impact 1.6.1 How the Covid-19 is Affecting the Time Series Databases Software Industry 1.6.2 Time Series Databases Software Business Impact Assessment - Covid-19 1.6.3 Market Trends and Time Series Databases Software Potential Opportunities in the COVID-19 Landscape 1.6.4 Measures / Proposal against Covid-19 2 Global Time Series Databases Software Market Competition by Players 2.1 Global Time Series Databases Software Revenue and Market Share by Players (2018-2020) 2.2 Global Time Series Databases Software Industry Concentration Ratio (CR5 and HHI) 2.3 Top 5 Time Series Databases Software Players Market Share 2.4 Top 10 Time Series Databases Software Players Market Share 2.5 Date of Key Players Enter into Time Series Databases Software Market 2.6 Key Players Time Series Databases Software Product Offered 2.7 Mergers & Acquisitions Planning 3 Analysis of @@@@ Industry Key Players 3.1 InfluxData 3.1.1 Company Details 3.1.2 Product Information 3.1.3 InfluxData Time Series Databases Software Revenue and Gross Margin (2018-2020) 3.1.4 Main Business Overview 3.1.5 InfluxData News 3.2 Trendalyze 3.2.1 Company Details 3.2.2 Product Information 3.2.3 Trendalyze Time Series Databases Software Revenue and Gross Margin (2018-2020) 3.2.4 Main Business Overview 3.2.5 Trendalyze News 3.3 Amazon Timestream 3.3.1 Company Details 3.3.2 Product Information 3.3.3 Amazon Timestream Time Series Databases Software Revenue and Gross Margin (2018-2020) 3.3.4 Main Business Overview 3.3.5 Amazon Timestream News 3.4 DataStax 3.4.1 Company Details 3.4.2 Product Information 3.4.3 DataStax Time Series Databases Software Revenue and Gross Margin (2018-2020) 3.4.4 Main Business Overview 3.4.5 DataStax News 3.5 Prometheus 3.5.1 Company Details 3.5.2 Product Information 3.5.3 Prometheus Time Series Databases Software Revenue and Gross Margin (2018-2020) 3.5.4 Main Business Overview 3.5.5 Prometheus News 3.6 QuasarDB 3.6.1 Company Details 3.6.2 Product Information 3.6.3 QuasarDB Time Series Databases Software Revenue and Gross Margin (2018-2020) 3.6.4 Main Business Overview 3.6.5 QuasarDB News 3.7 Warp 10 3.7.1 Company Details 3.7.2 Product Information 3.7.3 Warp 10 Time Series Databases Software Revenue and Gross Margin (2018-2020) 3.7.4 Main Business Overview 3.7.5 Warp 10 News 3.8 InfluxDB 3.8.1 Company Details 3.8.2 Product Information 3.8.3 InfluxDB Time Series Databases Software Revenue and Gross Margin (2018-2020) 3.8.4 Main Business Overview 3.8.5 InfluxDB News 3.9 kdb+ 3.9.1 Company Details 3.9.2 Product Information 3.9.3 kdb+ Time Series Databases Software Revenue and Gross Margin (2018-2020) 3.9.4 Main Business Overview 3.9.5 kdb+ News 3.10 Actian X 3.10.1 Company Details 3.10.2 Product Information 3.10.3 Actian X Time Series Databases Software Revenue and Gross Margin (2018-2020) 3.10.4 Main Business Overview 3.10.5 Actian X News 3.11 Axibase Time Series Database 3.11.1 Company Details 3.11.2 Product Information 3.11.3 Axibase Time Series Database Time Series Databases Software Revenue and Gross Margin (2018-2020) 3.11.4 Main Business Overview 3.11.5 Axibase Time Series Database News 4 Global Time Series Databases Software Market Size Categorized by Regions 4.1 Global Time Series Databases Software Revenue and Market Share by Regions 4.2 North America Time Series Databases Software Revenue and Growth Rate (2015-2020) 4.3 Europe Time Series Databases Software Revenue and Growth Rate (2015-2020) 4.4 Asia-Pacific Time Series Databases Software Revenue and Growth Rate (2015-2020) 4.5 South America Time Series Databases Software Revenue and Growth Rate (2015-2020) 4.6 Middle East & Africa Time Series Databases Software Revenue and Growth Rate (2015-2020) 5 North America Time Series Databases Software Market Size Categorized by Countries 5.1 North America Time Series Databases Software Revenue and Market Share by Countries 5.1.1 North America Time Series Databases Software Revenue by Countries (2015-2020) 5.1.2 United States Time Series Databases Software Revenue and Growth Rate (2015-2020) 5.1.3 Canada Time Series Databases Software Revenue and Growth Rate (2015-2020) 5.1.4 Mexico Time Series Databases Software Revenue and Growth Rate (2015-2020) 5.2 North America Time Series Databases Software Market Size and Market Share by Players (2018-2020) 5.3 North America Time Series Databases Software Revenue and Market Share by Type (2015-2020) 5.4 North America Time Series Databases Software Revenue Market Share by Application (2015-2020) 6 Europe Time Series Databases Software Market Size Categorized by Countries 6.1 Europe Time Series Databases Software Revenue and Market Share by Countries 6.1.1 Europe Time Series Databases Software Revenue by Countries (2015-2020) 6.1.2 Germany Time Series Databases Software Revenue and Growth Rate (2015-2020) 6.1.3 UK Time Series Databases Software Revenue and Growth Rate (2015-2020) 6.1.4 France Time Series Databases Software Revenue and Growth Rate (2015-2020) 6.1.5 Russia Time Series Databases Software Revenue and Growth Rate (2015-2020) 6.1.6 Italy Time Series Databases Software Revenue and Growth Rate (2015-2020) 6.1.7 Spain Time Series Databases Software Revenue and Growth Rate (2015-2020) 6.2 Europe Time Series Databases Software Market Size and Market Share by Players (2018-2020) 6.3 Europe Time Series Databases Software Revenue and Market Share by Type (2015-2020) 6.4 Europe Time Series Databases Software Revenue and Market Share by Application (2015-2020) 7 Asia-Pacific Time Series Databases Software Market Size Categorized by Countries 7.1 Asia-Pacific Time Series Databases Software Revenue and Market Share by Countries 7.1.1 Asia-Pacific Time Series Databases Software Revenue by Countries (2015-2020) 7.1.2 China Time Series Databases Software Revenue and Growth Rate (2015-2020) 7.1.3 Japan Time Series Databases Software Revenue and Growth Rate (2015-2020) 7.1.4 Korea Time Series Databases Software Revenue and Growth Rate (2015-2020) 7.1.5 India Time Series Databases Software Revenue and Growth Rate (2015-2020) 7.1.6 Southeast Asia Time Series Databases Software Revenue and Growth Rate (2015-2020) 7.1.7 Australia Time Series Databases Software Revenue and Growth Rate (2015-2020) 7.2 Asia-Pacific Time Series Databases Software Market Size and Market Share by Players (2018-2020) 7.3 Asia-Pacific Time Series Databases Software Sales, Revenue and Market Share by Type (2015-2020) 7.4 Asia-Pacific Time Series Databases Software Revenue and Market Share by Application (2015-2020) 8 South America Time Series Databases Software Market Size Categorized by Countries 8.1 South America Time Series Databases Software Revenue and Market Share by Countries 8.1.1 South America Time Series Databases Software Revenue by Countries (2015-2020) 8.1.2 Brazil Time Series Databases Software Revenue and Growth Rate (2015-2020) 8.2 South America Time Series Databases Software Market Size and Market Share by Players (2018-2020) 8.3 South America Time Series Databases Software Revenue and Market Share by Type (2015-2020) 8.4 South America Time Series Databases Software Revenue Market Share by Application (2015-2020) 9 Middle East & Africa Time Series Databases Software Market Size Categorized by Countries 9.1 Middle East & Africa Time Series Databases Software Revenue and Market Share by Countries 9.1.1 Middle East & Africa Time Series Databases Software Revenue by Countries (2015-2020) 9.1.2 GCC Countries Time Series Databases Software Revenue and Growth Rate (2015-2020) 9.1.3 Turkey Time Series Databases Software Revenue and Growth Rate (2015-2020) 9.1.4 Egypt Time Series Databases Software Revenue and Growth Rate (2015-2020) 9.1.5 South Africa Time Series Databases Software Revenue and Growth Rate (2015-2020) 9.2 Middle East & Africa Time Series Databases Software Market Size and Market Share by Players (2018-2020) 9.3 Middle East & Africa Time Series Databases Software Revenue and Market Share by Type 9.4 Middle East & Africa Time Series Databases Software Revenue Market Share by Application (2015-2020) 10 Market Size Segment by Type 10.1 Global Time Series Databases Software Revenue and Market Share by Type (2015-2020) 10.2 Global Time Series Databases Software Market Forecast by Type (2020-2025) 10.3 Cloud-based Revenue and Growth Rate 10.4 Web-based Revenue and Growth Rate 11 Global Time Series Databases Software Market Segment by Application 11.1 Global Time Series Databases Software Revenue Market Share by Application (2015-2020) 11.2 Time Series Databases Software Market Forecast by Application (2020-2025) 11.3 Large Enterprises Revenue Growth Rate (2015-2025) 11.4 SMEs Revenue Growth Rate (2015-2025) 12 Global Time Series Databases Software Market Forecast 12.1 Global Time Series Databases Software Market Size Forecast (2020-2025) 12.2 North America Time Series Databases Software Revenue Market Forecast (2020-2025) 12.3 Europe Time Series Databases Software Revenue Market Forecast (2020-2025) 12.4 Asia-Pacific Time Series Databases Software Revenue Market Forecast (2020-2025) 12.5 South America Time Series Databases Software Revenue Market Forecast (2020-2025) 12.6 Middle East & Africa Time Series Databases Software Revenue Market Forecast (2020-2025) 13 Research Findings and Conclusion 14 Appendix

List of Tables and Figures Table Global Time Series Databases Software Revenue (Million US$) by Type Figure Global Revenue Market Share of Time Series Databases Software by Product Type in 2019 Figure Global Time Series Databases Software Market by Regions (2019) Table Breakdown of Time Series Databases Software by Company Type (Tier 1, Tier 2 and Tier 3) Table Global Time Series Databases Software Value Growth (CAGR) (2019-2025) by Type Figure Time Series Databases Software Market Share by Company Type (Tier 1, Tier 2 and Tier 3) Table Cloud-based Detail Table Web-based Detail Table Global Time Series Databases Software Revenue (Million US$) by Application Figure Global Time Series Databases Software Revenue Market Share by Application in 2019 Figure Large Enterprises Picture Figure SMEs Picture Table Global Market Time Series Databases Software Comparison by Regions (M USD) 2019-2025 Figure Global Time Series Databases Software Market Size (Million US$) (2015-2025) Figure North America Time Series Databases Software Revenue (Million US$) Growth Rate (2015-2025) Figure Europe Time Series Databases Software Revenue (Million US$) Growth Rate (2015-2025) Figure Asia-Pacific Time Series Databases Software Revenue (Million US$) Growth Rate (2015-2025) Figure South America Time Series Databases Software Revenue (Million US$) Growth Rate (2015-2025) Figure Middle East & Africa Time Series Databases Software Revenue (Million US$) Growth Rate (2015-2025) Table Market Opportunities in Next Few Years Table Market Risks Analysis Table Market Drivers Figure Porter's Five Forces Analysis Table SWOT Analysis Table Global Time Series Databases Software Revenue by Players (2018-2020) Figure Global Time Series Databases Software Revenue Market Share by Players in 2019 Table Global Time Series Databases Software Players Market Concentration Ratio (CR5 and HHI) Figure Top 5 Time Series Databases Software Players (Revenue) Market Share in 2019 Figure Top 10 Time Series Databases Software Players (Revenue) Market Share in 2019 Table Date of Key Players Enter into Time Series Databases Software Market Table Key Players Time Series Databases Software Product Type Table Mergers & Acquisitions Planning Table InfluxData Company Profile Figure Time Series Databases Software Product Picture and Specifications of InfluxData Table Time Series Databases Software Revenue (M USD) and Gross Margin 2018-2020 Figure InfluxData Time Series Databases Software Market Share (2018-2020) Table InfluxData Main Business Table InfluxData Recent Development Table Trendalyze Company Profile Figure Time Series Databases Software Product Picture and Specifications of Trendalyze Table Time Series Databases Software Revenue (M USD) and Gross Margin 2018-2020 Figure Trendalyze Time Series Databases Software Market Share (2018-2020) Table Trendalyze Main Business Table Trendalyze Recent Development Table Amazon Timestream Company Profile Figure Time Series Databases Software Product Picture and Specifications of Amazon Timestream Table Time Series Databases Software Revenue (M USD) and Gross Margin 2018-2020 Figure Amazon Timestream Time Series Databases Software Market Share (2018-2020) Table Amazon Timestream Main Business Table Amazon Timestream Recent Development Table DataStax Company Profile Figure Time Series Databases Software Product Picture and Specifications of DataStax Table Time Series Databases Software Revenue (M USD) and Gross Margin 2018-2020 Figure DataStax Time Series Databases Software Market Share (2018-2020) Table DataStax Main Business Table DataStax Recent Development Table Prometheus Company Profile Figure Time Series Databases Software Product Picture and Specifications of Prometheus Table Time Series Databases Software Revenue (M USD) and Gross Margin 2018-2020 Figure Prometheus Time Series Databases Software Market Share (2018-2020) Table Prometheus Main Business Table Prometheus Recent Development Table QuasarDB Company Profile Figure Time Series Databases Software Product Picture and Specifications of QuasarDB Table Time Series Databases Software Revenue (M USD) and Gross Margin 2018-2020 Figure QuasarDB Time Series Databases Software Market Share (2018-2020) Table QuasarDB Main Business Table QuasarDB Recent Development Table Warp 10 Company Profile Figure Time Series Databases Software Product Picture and Specifications of Warp 10 Table Time Series Databases Software Revenue (M USD) and Gross Margin 2018-2020 Figure Warp 10 Time Series Databases Software Market Share (2018-2020) Table Warp 10 Main Business Table Warp 10 Recent Development Table InfluxDB Company Profile Figure Time Series Databases Software Product Picture and Specifications of InfluxDB Table Time Series Databases Software Revenue (M USD) and Gross Margin 2018-2020 Figure InfluxDB Time Series Databases Software Market Share (2018-2020) Table InfluxDB Main Business Table InfluxDB Recent Development Table kdb+ Company Profile Figure Time Series Databases Software Product Picture and Specifications of kdb+ Table Time Series Databases Software Revenue (M USD) and Gross Margin 2018-2020 Figure kdb+ Time Series Databases Software Market Share (2018-2020) Table kdb+ Main Business Table kdb+ Recent Development Table Actian X Company Profile Figure Time Series Databases Software Product Picture and Specifications of Actian X Table Time Series Databases Software Revenue (M USD) and Gross Margin 2018-2020 Figure Actian X Time Series Databases Software Market Share (2018-2020) Table Actian X Main Business Table Actian X Recent Development Table Axibase Time Series Database Company Profile Figure Time Series Databases Software Product Picture and Specifications of Axibase Time Series Database Table Time Series Databases Software Revenue (M USD) and Gross Margin 2018-2020 Figure Axibase Time Series Database Time Series Databases Software Market Share (2018-2020) Table Axibase Time Series Database Main Business Table Axibase Time Series Database Recent Development Figure Global Time Series Databases Software Revenue (Million USD) and Growth Rate (%) (2015-2020) Table Global Time Series Databases Software Revenue by Regions (2015-2020) Table Global Time Series Databases Software Revenue Market Share by Regions (2015-2020) Figure Global Time Series Databases Software Revenue Market Share by Regions in 2019 Figure North America Time Series Databases Software Revenue and Growth Rate (2015-2020) Figure Europe Time Series Databases Software Revenue and Growth Rate (2015-2020) Figure Asia-Pacific Time Series Databases Software Revenue s and Growth Rate (2015-2020) Figure South America Time Series Databases Software Revenue and Growth Rate (2015-2020) Figure Middle East & Africa Time Series Databases Software Revenue and Growth Rate (2015-2020) Figure North America Time Series Databases Software Revenue and Growth Rate (2015-2020) Table North America Time Series Databases Software Revenue by Countries (2015-2020) Table North America Time Series Databases Software Revenue Market Share by Countries (2015-2020) Figure North America Time Series Databases Software Revenue Market Share by Countries in 2019 Figure United States Time Series Databases Software Revenue and Growth Rate (2015-2020) Figure Canada Time Series Databases Software Revenue and Growth Rate (2015-2020) Figure Mexico Time Series Databases Software Revenue and Growth Rate (2015-2020) Table North America Time Series Databases Software Market Size by Players (2018-2020) (Million US$) Figure North America Time Series Databases Software Revenue Market Share by Players in 2019 Table North America Time Series Databases Software Revenue by Type (2015-2020) Table North America Time Series Databases Software Revenue Share by Type (2015-2020) Table North America Time Series Databases Software Revenue by Application (2015-2020) Table North America Time Series Databases Software Revenue Share by Application (2015-2020) Figure Europe Time Series Databases Software Revenue and Growth Rate (2015-2020) Table Europe Time Series Databases Software Revenue by Countries (2015-2020) Table Europe Time Series Databases Software Revenue Market Share by Countries (2015-2020) Figure Europe Time Series Databases Software Revenue Market Share by Countries in 2019 Figure Germany Time Series Databases Software Revenue and Growth Rate (2015-2020) Figure UK Time Series Databases Software Revenue and Growth Rate (2015-2020) Figure France Time Series Databases Software Revenue and Growth Rate (2015-2020) Figure Russia Time Series Databases Software Revenue and Growth Rate (2015-2020) Figure Italy Time Series Databases Software Revenue and Growth Rate (2015-2020) Figure Spain Time Series Databases Software Revenue and Growth Rate (2015-2020) Table Europe Time Series Databases Software Market Size by Players (2018-2020) (Million US$) Figure Europe Time Series Databases Software Revenue Market Share by Players in 2019 Table Europe Time Series Databases Software Revenue by Type (2015-2020) Table Europe Time Series Databases Software Revenue Share by Type (2015-2020) Table Europe Time Series Databases Software Revenue by Application (2015-2020) Table Europe Time Series Databases Software Revenue Share by Application (2015-2020) Figure Asia-Pacific Time Series Databases Software Revenue and Growth Rate (2015-2020) Table Asia-Pacific Time Series Databases Software Revenue by Countries (2015-2020) Table Asia-Pacific Time Series Databases Software Revenue Market Share by Countries (2015-2020) Figure Asia-Pacific Time Series Databases Software Revenue Market Share by Countries in 2019 Figure China Time Series Databases Software Revenue and Growth Rate (2015-2020) Figure Japan Time Series Databases Software Revenue and Growth Rate (2015-2020) Figure Korea Time Series Databases Software Revenue and Growth Rate (2015-2020) Figure India Time Series Databases Software Revenue and Growth Rate (2015-2020) Figure Southeast Asia Time Series Databases Software Revenue and Growth Rate (2015-2020) Figure Australia Time Series Databases Software Revenue and Growth Rate (2015-2020) Table Asia-Pacific Time Series Databases Software Market Size by Players (2018-2020) (Million US$) Figure Asia-Pacific Time Series Databases Software Revenue Market Share by Players in 2019 Table Asia-Pacific Time Series Databases Software Revenue by Type (2015-2020) Table Asia-Pacific Time Series Databases Software Revenue Share by Type (2015-2020) Table Asia-Pacific Time Series Databases Software Revenue by Application (2015-2020) Table Asia-Pacific Time Series Databases Software Revenue Share by Application (2015-2020) Figure South America Time Series Databases Software Revenue and Growth Rate (2015-2020) Table South America Time Series Databases Software Revenue by Countries (2015-2020) Table South America Time Series Databases Software Revenue Market Share by Countries (2015-2020) Figure South America Time Series Databases Software Revenue Market Share by Countries in 2019 Figure Brazil Time Series Databases Software Revenue and Growth Rate (2015-2020) Table South America Time Series Databases Software Market Size by Players (2018-2020) (Million US$) Figure South America Time Series Databases Software Revenue Market Share by Players in 2019 Table South America Time Series Databases Software Revenue by Type (2015-2020) Table South America Time Series Databases Software Revenue Share by Type (2015-2020) Table South America Time Series Databases Software Revenue by Application (2015-2020) Table South America Time Series Databases Software Revenue Share by Application (2015-2020) Figure Middle East & Africa Time Series Databases Software Revenue and Growth Rate (2015-2020) Table Middle East & Africa Time Series Databases Software Revenue by Countries (2015-2020) Table Middle East & Africa Time Series Databases Software Revenue Market Share by Countries (2015-2020) Figure Middle East & Africa Time Series Databases Software Revenue Market Share by Countries in 2019 Figure GCC Countries Time Series Databases Software Revenue and Growth Rate (2015-2020) Figure Turkey Time Series Databases Software Revenue and Growth Rate (2015-2020) Figure Egypt Time Series Databases Software Revenue and Growth Rate (2015-2020) Figure South Africa Time Series Databases Software Revenue and Growth Rate (2015-2020) Table Middle East & Africa Time Series Databases Software Market Size by Players (2018-2020) (Million US$) Figure Middle East & Africa Time Series Databases Software Revenue Market Share by Players in 2019 Table Middle East & Africa Time Series Databases Software Revenue by Type (2015-2020) Table Middle East & Africa Time Series Databases Software Revenue Share by Type (2015-2020) Table Middle East & Africa Time Series Databases Software Revenue by Application (2015-2020) Table Middle East & Africa Time Series Databases Software Revenue Share by Application (2015-2020) Table Global Time Series Databases Software Revenue (USD Million) by Type (2015-2020) Table Global Time Series Databases Software Revenue Share by Type (2015-2020) Figure Global Time Series Databases Software Revenue Share by Type (2015-2020) Figure Global Time Series Databases Software Revenue Share by Type in 2019 Table Global Time Series Databases Software Revenue Forecast by Type (2020-2025) Figure Global Time Series Databases Software Market Share Forecast by Type (2020-2025) Figure Global Cloud-based Revenue and Growth Rate (2015-2025) Figure Global Web-based Revenue and Growth Rate (2015-2025) Table Global Time Series Databases Software Revenue by Application (2015-2020) Table Global Time Series Databases Software Revenue Share by Application (2015-2020) Figure Global Time Series Databases Software Revenue Share by Application (2015-2020) Figure Global Time Series Databases Software Revenue Share by Application in 2019 Table Global Time Series Databases Software Revenue Forecast by Application (2020-2025) Figure Global Time Series Databases Software Market Share Forecast by Application (2020-2025) Figure Global Large Enterprises Revenue Growth Rate (2015-2025) Figure Global SMEs Revenue Growth Rate (2015-2025) Figure Global Time Series Databases Software Revenue (Million USD) and Growth Rate Forecast (2020-2025) Table Global Time Series Databases Software Revenue (Million USD) Forecast by Regions (2020-2025) Figure Global Time Series Databases Software Revenue Market Share Forecast by Regions (2020-2025) Figure North America Time Series Databases Software Revenue Market Forecast (2020-2025) Figure Europe Time Series Databases Software Revenue Market Forecast (2020-2025) Figure Asia-Pacific Time Series Databases Software Revenue Market Forecast (2020-2025) Figure South America Time Series Databases Software Revenue Market Forecast (2020-2025) Figure Middle East & Africa Time Series Databases Software Revenue Market Forecast (2020-2025) Figure Methodology/Research Approach Figure Market Size Estimation Figure Author List

InfluxData Trendalyze Amazon Timestream DataStax Prometheus QuasarDB Warp 10 InfluxDB kdb+