Period
to 22 February 2018

The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for Snowflake Schema skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Snowflake Schema over the 6 months to 22 February 2018 with a comparison to the same period in the previous 2 years.

Snowflake Schema
England > London
6 months to
22 Feb 2018
Same period 2017 Same period 2016
Rank 776 801 894
Rank change year-on-year +25 +93 -15
Permanent jobs citing Snowflake Schema 45 15 6
As % of all permanent IT jobs advertised in London 0.064% 0.021% 0.007%
As % of the Database & Business Intelligence category 0.21% 0.072% 0.022%
Number of salaries quoted 25 10 5
London median annual salary £65,000 £47,500 £65,000
Median salary % change year-on-year +36.84% -26.92% +30.00%
10th Percentile £42,400 £43,250 £50,000
90th Percentile £86,000 £59,900 £80,500
England median annual salary £55,000 £45,000 £40,750
% change year-on-year +22.22% +10.43% -18.50%

Snowflake Schema is in the Databases and Business Intelligence category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in London with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
London
Permanent vacancies with a requirement for database or business intelligence skills 21,313 20,854 26,740
As % of all permanent IT jobs advertised in London 30.40% 29.83% 31.29%
Number of salaries quoted 17,597 18,207 22,934
London median annual salary £60,000 £57,500 £55,000
Median salary % change year-on-year +4.35% +4.55% +4.56%
10th Percentile £37,500 £35,000 £35,000
90th Percentile £90,000 £87,500 £85,000
England median annual salary £50,000 £47,500 £47,500
% change year-on-year +5.26% - +5.56%

Snowflake Schema
Job Vacancy Trend in London

Job postings citing Snowflake Schema as a percentage of all IT jobs advertised in London.

Job vacancy trend for Snowflake Schema in London

Snowflake Schema
Salary Trend in London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Snowflake Schema in London.

Salary trend for Snowflake Schema in London

Snowflake Schema
Salary Histogram in London

The salary distribution of IT jobs citing Snowflake Schema in London over the 6 months to 22 February 2018.

Salary histogram for Snowflake Schema in London

Snowflake Schema
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Snowflake Schema within the London region over the 6 months to 22 February 2018. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London -14 12 £65,000 +25.00% 4
Snowflake Schema
England

For the 6 months to 22 February 2018, IT jobs citing Snowflake Schema also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads across the London region with a requirement for Snowflake Schema.

1 45 (100.00%) SQL
2 38 (84.44%) Business Intelligence
3 33 (73.33%) SQL Server
4 29 (64.44%) Data Modelling
5 27 (60.00%) Visualisation
6 23 (51.11%) Data Visualisation
6 23 (51.11%) Analytics
7 21 (46.67%) ETL
8 20 (44.44%) Agile Software Development
8 20 (44.44%) Dimensional Modelling
8 20 (44.44%) SQL Server Integration Services
9 19 (42.22%) Microsoft
9 19 (42.22%) Linux
10 18 (40.00%) Data Warehouse
11 16 (35.56%) Microsoft Excel
11 16 (35.56%) MySQL
11 16 (35.56%) Oracle
11 16 (35.56%) Degree
11 16 (35.56%) Computer Science
11 16 (35.56%) SQL Server Analysis Services
11 16 (35.56%) NoSQL
12 15 (33.33%) MongoDB
12 15 (33.33%) Vertica
12 15 (33.33%) Data Analytics
12 15 (33.33%) Marketing
12 15 (33.33%) Statistics
12 15 (33.33%) Star Schema
12 15 (33.33%) SQL Server Reporting Services
12 15 (33.33%) VB
12 15 (33.33%) VBA

Snowflake Schema
Co-occurring IT Skills in London by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 1 (2.22%) SAS
Applications
1 16 (35.56%) Microsoft Excel
2 1 (2.22%) MS Visio
Cloud Services
1 12 (26.67%) Microsoft Azure
2 5 (11.11%) Amazon AWS
3 3 (6.67%) Azure Data Factory
3 3 (6.67%) Data Lake Analytics
Communications & Networking
1 4 (8.89%) Network Security
Database & Business Intelligence
1 33 (73.33%) SQL Server
2 20 (44.44%) SQL Server Integration Services
3 18 (40.00%) Data Warehouse
4 16 (35.56%) MySQL
4 16 (35.56%) NoSQL
4 16 (35.56%) SQL Server Analysis Services
5 15 (33.33%) MongoDB
5 15 (33.33%) SQL Server Reporting Services
5 15 (33.33%) Star Schema
6 12 (26.67%) Azure SQL Database
7 11 (24.44%) OLAP
8 10 (22.22%) OLTP
9 7 (15.56%) Power BI
9 7 (15.56%) SQL Server 2012
10 6 (13.33%) Hadoop
10 6 (13.33%) SQL Server 2016
11 5 (11.11%) Amazon RDS
11 5 (11.11%) Apache Hive
11 5 (11.11%) Big Data
11 5 (11.11%) SQL Server 2008
Development Applications
1 6 (13.33%) SQL Server Management Studio (SSMS)
2 5 (11.11%) Git (software)
2 5 (11.11%) Team Foundation Server
3 4 (8.89%) RStudio
4 1 (2.22%) ERwin
4 1 (2.22%) Toad
General
1 15 (33.33%) Marketing
2 8 (17.78%) Advertising
3 4 (8.89%) Finance
3 4 (8.89%) Games
4 1 (2.22%) Financial Institution
4 1 (2.22%) Manufacturing
4 1 (2.22%) Pharmaceutical
Job Titles
1 20 (44.44%) Developer
2 16 (35.56%) Business Intelligence Consultant
2 16 (35.56%) Consultant
2 16 (35.56%) SQL Developer
3 13 (28.89%) Business Intelligence Developer
3 13 (28.89%) SQL BI Developer
4 10 (22.22%) Analytics Consultant
4 10 (22.22%) Analytics Developer
4 10 (22.22%) Data Analytics Consultant
4 10 (22.22%) Data Consultant
4 10 (22.22%) Data Visualisation Consultant
4 10 (22.22%) Data Visualisation Developer
5 6 (13.33%) Microsoft BI Consultant
5 6 (13.33%) Microsoft Consultant
6 5 (11.11%) Architect
6 5 (11.11%) Data Model Consultant
6 5 (11.11%) Database Developer
6 5 (11.11%) SQL Database Developer
7 4 (8.89%) Data Architect
7 4 (8.89%) Python Developer
Libraries, Frameworks & Software Standards
1 5 (11.11%) MDX
2 4 (8.89%) D3.js
2 4 (8.89%) REST
2 4 (8.89%) SOAP
3 1 (2.22%) JSON
3 1 (2.22%) RESTful
3 1 (2.22%) Web Services
3 1 (2.22%) XML
Miscellaneous
1 16 (35.56%) Computer Science
2 6 (13.33%) Analytical Skills
2 6 (13.33%) Driving Licence
3 4 (8.89%) User Experience
4 1 (2.22%) Algorithms
4 1 (2.22%) Market Risk
Operating Systems
1 19 (42.22%) Linux
2 15 (33.33%) Windows
Processes & Methodologies
1 38 (84.44%) Business Intelligence
2 29 (64.44%) Data Modelling
3 27 (60.00%) Visualisation
4 23 (51.11%) Analytics
4 23 (51.11%) Data Visualisation
5 21 (46.67%) ETL
6 20 (44.44%) Agile Software Development
6 20 (44.44%) Dimensional Modelling
7 15 (33.33%) Data Analytics
7 15 (33.33%) Marketing Intelligence
7 15 (33.33%) Statistics
8 11 (24.44%) Mentoring
9 10 (22.22%) Kimball Methodology
9 10 (22.22%) Release Management
10 9 (20.00%) SQL Optimisation
11 8 (17.78%) Performance Tuning
12 7 (15.56%) Inmon Methodology
13 6 (13.33%) SDLC
14 5 (11.11%) Data Architecture
15 4 (8.89%) Predictive Analytics
Programming Languages
1 45 (100.00%) SQL
2 15 (33.33%) VB
2 15 (33.33%) VBA
3 9 (20.00%) PowerShell
3 9 (20.00%) T-SQL
4 5 (11.11%) Python
4 5 (11.11%) R
5 4 (8.89%) Data Analysis Expressions (DAX)
5 4 (8.89%) JavaScript
6 1 (2.22%) PL/SQL
6 1 (2.22%) SAS Macro
Qualifications
1 16 (35.56%) Degree
2 1 (2.22%) Computer Science Degree
2 1 (2.22%) PhD
Quality Assurance & Compliance
1 5 (11.11%) Data Quality
Vendors
1 19 (42.22%) Microsoft
2 16 (35.56%) Oracle
3 15 (33.33%) Vertica
4 10 (22.22%) Tableau
5 1 (2.22%) Cognos
5 1 (2.22%) Informatica