Period
to 24 November 2017

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 24 November 2017 with a comparison to the same period in the previous 2 years.

Snowflake Schema
England > London
6 months to
24 Nov 2017
Same period 2016 Same period 2015
Rank 815 810 909
Rank change year-on-year -5 +99 -14
Permanent jobs citing Snowflake Schema 23 32 8
As % of all permanent IT jobs advertised in London 0.031% 0.042% 0.009%
As % of the Database & Business Intelligence category 0.10% 0.14% 0.029%
Number of salaries quoted 5 29 8
London median annual salary £80,000 £72,500 £55,000
Median salary % change year-on-year +10.34% +31.82% +10.00%
10th Percentile £41,650 £47,500 £40,525
90th Percentile £90,000 £80,000 £80,500
England median annual salary £50,250 £56,500 £41,500
% change year-on-year -11.06% +36.14% -13.54%

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 22105 22339 27272
As % of all permanent IT jobs advertised in London 29.46% 29.46% 30.59%
Number of salaries quoted 17716 19443 23093
London median annual salary £60,000 £57,500 £55,000
Median salary % change year-on-year +4.35% +4.55% +4.76%
10th Percentile £36,250 £35,000 £35,000
90th Percentile £88,750 £87,500 £85,000
England median annual salary £50,000 £47,500 £45,000
% 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 24 November 2017.

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 24 November 2017. 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 +15 2 £47,000 -20.00%
South London - 1 £80,000 -
Snowflake Schema
England

For the 6 months to 24 November 2017, IT jobs citing Snowflake Schema also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the London region with a requirement for Snowflake Schema.

1 23 (100.00%) SQL
2 22 (95.65%) Business Intelligence
3 20 (86.96%) Visualisation
4 19 (82.61%) Dimensional Modelling
5 17 (73.91%) Data Visualisation
6 14 (60.87%) Analytics
6 14 (60.87%) Oracle
6 14 (60.87%) SQL Server
7 13 (56.52%) Microsoft Excel
7 13 (56.52%) Data Modelling
7 13 (56.52%) Data Analytics
8 12 (52.17%) Vertica
8 12 (52.17%) MongoDB
8 12 (52.17%) NoSQL
8 12 (52.17%) Marketing Intelligence
8 12 (52.17%) Windows
8 12 (52.17%) Linux
8 12 (52.17%) VB
8 12 (52.17%) VBA
8 12 (52.17%) MySQL
8 12 (52.17%) Marketing
8 12 (52.17%) Degree
8 12 (52.17%) Computer Science
8 12 (52.17%) Statistics
9 10 (43.48%) Apache Hive
9 10 (43.48%) Amazon RDS
9 10 (43.48%) Hadoop
9 10 (43.48%) Amazon AWS
9 10 (43.48%) Tableau
9 10 (43.48%) Data Warehouse

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 (4.35%) SAS
Applications
1 13 (56.52%) Microsoft Excel
2 1 (4.35%) MS Visio
Cloud Services
1 10 (43.48%) Amazon AWS
Database & Business Intelligence
1 14 (60.87%) SQL Server
2 12 (52.17%) MongoDB
2 12 (52.17%) MySQL
2 12 (52.17%) NoSQL
3 10 (43.48%) Amazon RDS
3 10 (43.48%) Apache Hive
3 10 (43.48%) Data Warehouse
3 10 (43.48%) Hadoop
4 7 (30.43%) Semantic Layer
4 7 (30.43%) Star Schema
5 2 (8.70%) SQL Server Integration Services
5 2 (8.70%) SQL Server Reporting Services
6 1 (4.35%) DataStage
6 1 (4.35%) OLAP
6 1 (4.35%) Oracle Discoverer
6 1 (4.35%) Oracle OLAP
6 1 (4.35%) Oracle Reports
6 1 (4.35%) PowerCenter
6 1 (4.35%) QlikView
6 1 (4.35%) SQL Server Analysis Services
Development Applications
1 1 (4.35%) ERwin
1 1 (4.35%) Toad
General
1 12 (52.17%) Marketing
2 7 (30.43%) Publishing
3 2 (8.70%) Finance
4 1 (4.35%) Advertising
Job Titles
1 12 (52.17%) Developer
2 11 (47.83%) Analytics Consultant
2 11 (47.83%) Business Intelligence Consultant
2 11 (47.83%) Consultant
2 11 (47.83%) Data Analytics Consultant
2 11 (47.83%) Data Consultant
2 11 (47.83%) Data Visualisation Consultant
3 9 (39.13%) Business Intelligence Developer
4 6 (26.09%) Data Model Consultant
4 6 (26.09%) Tableau Developer
5 5 (21.74%) Analytics Developer
5 5 (21.74%) Data Visualisation Developer
6 3 (13.04%) SQL BI Developer
6 3 (13.04%) SQL Developer
7 1 (4.35%) Analyst
7 1 (4.35%) Business Developer
7 1 (4.35%) Business Intelligence Analyst
7 1 (4.35%) Business Intelligence Specialist
7 1 (4.35%) Data Analyst
7 1 (4.35%) Data Modeller
Libraries, Frameworks & Software Standards
1 1 (4.35%) JSON
1 1 (4.35%) MDX
1 1 (4.35%) RESTful
1 1 (4.35%) Web Services
1 1 (4.35%) XML
Miscellaneous
1 12 (52.17%) Computer Science
2 3 (13.04%) Fintech
3 1 (4.35%) Analytical Skills
3 1 (4.35%) Market Risk
Operating Systems
1 12 (52.17%) Linux
1 12 (52.17%) Windows
Processes & Methodologies
1 22 (95.65%) Business Intelligence
2 20 (86.96%) Visualisation
3 19 (82.61%) Dimensional Modelling
4 17 (73.91%) Data Visualisation
5 14 (60.87%) Analytics
6 13 (56.52%) Data Analytics
6 13 (56.52%) Data Modelling
7 12 (52.17%) Marketing Intelligence
7 12 (52.17%) Statistics
8 7 (30.43%) Data Security
8 7 (30.43%) Kalman Filter
8 7 (30.43%) Performance Tuning
9 4 (17.39%) Data Governance
9 4 (17.39%) ETL
9 4 (17.39%) Mentoring
10 3 (13.04%) High Availability
10 3 (13.04%) Kimball Methodology
10 3 (13.04%) Release Management
10 3 (13.04%) Server Patching
11 2 (8.70%) Data Architecture
Programming Languages
1 23 (100.00%) SQL
2 12 (52.17%) VB
2 12 (52.17%) VBA
3 2 (8.70%) PL/SQL
3 2 (8.70%) T-SQL
4 1 (4.35%) Data Analysis Expressions (DAX)
4 1 (4.35%) Python
4 1 (4.35%) R
4 1 (4.35%) SAS Macro
Qualifications
1 12 (52.17%) Degree
2 1 (4.35%) PhD
Quality Assurance & Compliance
1 5 (21.74%) Data Quality
Vendors
1 14 (60.87%) Oracle
2 12 (52.17%) Vertica
3 10 (43.48%) Tableau
4 3 (13.04%) Microsoft
5 1 (4.35%) Cognos
5 1 (4.35%) Informatica