Period
to 17 August 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 17 August 2018 with a comparison to the same period in the previous 2 years.

Snowflake Schema
England > London
6 months to
17 Aug 2018
Same period 2017 Same period 2016
Rank 757 821 857
Rank change year-on-year +64 +36 +44
Permanent jobs citing Snowflake Schema 65 38 38
As % of all permanent IT jobs advertised in London 0.093% 0.051% 0.047%
As % of the Database & Business Intelligence category 0.30% 0.17% 0.16%
Number of salaries quoted 47 5 32
London median annual salary £65,000 £47,500 £72,500
Median salary % change year-on-year +36.84% -34.48% +10.69%
10th Percentile £51,250 £34,000 £57,500
90th Percentile £82,500 £73,500 £80,000
England median annual salary £52,500 £40,000 £67,500
% change year-on-year +31.25% -40.74% +62.65%

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 21,910 21,812 24,247
As % of all permanent IT jobs advertised in London 31.45% 29.55% 29.94%
Number of salaries quoted 17,282 17,817 21,186
London median annual salary £62,500 £60,000 £57,500
Median salary % change year-on-year +4.17% +4.35% +4.55%
10th Percentile £37,500 £36,250 £35,000
90th Percentile £92,500 £90,000 £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 17 August 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 17 August 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 -4 21 £67,500 +80.00% 4
West London - 2 £52,500 - 2
Snowflake Schema
England

For the 6 months to 17 August 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 62 (95.38%) SQL
2 46 (70.77%) Data Warehouse
3 44 (67.69%) ETL
4 36 (55.38%) SQL Server Integration Services
5 35 (53.85%) SQL Server
6 31 (47.69%) Business Intelligence
7 30 (46.15%) Data Modelling
7 30 (46.15%) PowerShell
8 23 (35.38%) Agile Software Development
8 23 (35.38%) Power BI
9 22 (33.85%) Oracle
10 21 (32.31%) SQL Server Reporting Services
10 21 (32.31%) Finance
10 21 (32.31%) SQL Optimisation
11 20 (30.77%) Analytics
12 19 (29.23%) OLTP
12 19 (29.23%) OLAP
12 19 (29.23%) MySQL
13 18 (27.69%) Statistics
14 17 (26.15%) Visualisation
14 17 (26.15%) .NET
14 17 (26.15%) T-SQL
15 16 (24.62%) Windows
15 16 (24.62%) Data Visualisation
16 15 (23.08%) Microsoft Azure
16 15 (23.08%) SQL Server Analysis Services
16 15 (23.08%) Star Schema
16 15 (23.08%) Microsoft
17 14 (21.54%) Data Analytics
17 14 (21.54%) Greenfield Project

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 2 (3.08%) Apache Spark
2 1 (1.54%) Oracle SOA Suite
2 1 (1.54%) R Markdown
Applications
1 12 (18.46%) Microsoft Excel
Cloud Services
1 15 (23.08%) Microsoft Azure
2 10 (15.38%) Amazon AWS
3 4 (6.15%) Cloud Computing
3 4 (6.15%) PaaS
4 3 (4.62%) Google Cloud Platform
4 3 (4.62%) IaaS
5 2 (3.08%) SaaS
6 1 (1.54%) AWS Lambda
6 1 (1.54%) Azure Data Factory
6 1 (1.54%) Data Lake Analytics
6 1 (1.54%) Serverless
Communications & Networking
1 1 (1.54%) Network Security
Database & Business Intelligence
1 46 (70.77%) Data Warehouse
2 36 (55.38%) SQL Server Integration Services
3 35 (53.85%) SQL Server
4 23 (35.38%) Power BI
5 21 (32.31%) SQL Server Reporting Services
6 19 (29.23%) MySQL
6 19 (29.23%) OLAP
6 19 (29.23%) OLTP
7 15 (23.08%) SQL Server Analysis Services
7 15 (23.08%) Star Schema
8 14 (21.54%) Big Data
9 13 (20.00%) Azure SQL Database
9 13 (20.00%) NoSQL
10 12 (18.46%) MongoDB
11 11 (16.92%) SQL Server 2012
12 10 (15.38%) SQL Server 2008
13 9 (13.85%) SQL Server 2016
14 7 (10.77%) Oracle OLAP
14 7 (10.77%) PostgreSQL
15 6 (9.23%) BusinessObjects
Development Applications
1 7 (10.77%) Git (software)
2 6 (9.23%) Team Foundation Server
3 1 (1.54%) ERwin
3 1 (1.54%) RStudio
3 1 (1.54%) SQL Server Management Studio (SSMS)
General
1 21 (32.31%) Finance
2 14 (21.54%) Marketing
3 1 (1.54%) Advertising
3 1 (1.54%) Legal
3 1 (1.54%) Retail
Job Titles
1 40 (61.54%) Developer
2 36 (55.38%) SQL Developer
3 17 (26.15%) Business Intelligence Developer
4 15 (23.08%) SQL BI Developer
5 12 (18.46%) Analytics Developer
5 12 (18.46%) Data Visualisation Developer
6 8 (12.31%) Architect
6 8 (12.31%) Data Architect
7 7 (10.77%) Data Engineer
8 6 (9.23%) Database Developer
8 6 (9.23%) SQL Database Developer
9 5 (7.69%) Senior Business Intelligence Developer
9 5 (7.69%) Senior Developer
9 5 (7.69%) SQL Server Developer
9 5 (7.69%) SSIS Developer
10 4 (6.15%) DBA
10 4 (6.15%) Senior DBA
10 4 (6.15%) Senior SQL Server DBA
10 4 (6.15%) SQL DBA
10 4 (6.15%) SQL Server DBA
Libraries, Frameworks & Software Standards
1 17 (26.15%) .NET
2 7 (10.77%) SOAP
3 6 (9.23%) MDX
3 6 (9.23%) REST
4 2 (3.08%) Kafka
5 1 (1.54%) D3.js
5 1 (1.54%) Oracle GoldenGate
5 1 (1.54%) Velocity
Miscellaneous
1 14 (21.54%) Computer Science
1 14 (21.54%) Greenfield Project
2 7 (10.77%) Reference Data
2 7 (10.77%) Tandem
3 4 (6.15%) Analytical Skills
3 4 (6.15%) Replication
4 3 (4.62%) Data Structures
5 1 (1.54%) User Experience
Operating Systems
1 16 (24.62%) Windows
2 13 (20.00%) Linux
3 4 (6.15%) Windows Server
3 4 (6.15%) Windows Server 2008
Processes & Methodologies
1 44 (67.69%) ETL
2 31 (47.69%) Business Intelligence
3 30 (46.15%) Data Modelling
4 23 (35.38%) Agile Software Development
5 21 (32.31%) SQL Optimisation
6 20 (30.77%) Analytics
7 18 (27.69%) Statistics
8 17 (26.15%) Visualisation
9 16 (24.62%) Data Visualisation
10 14 (21.54%) Data Analytics
11 13 (20.00%) Dimensional Modelling
11 13 (20.00%) Performance Tuning
12 12 (18.46%) Data Science
12 12 (18.46%) Marketing Intelligence
13 9 (13.85%) Data Engineering
13 9 (13.85%) Machine Learning
14 8 (12.31%) Release Management
15 7 (10.77%) Data Management
15 7 (10.77%) Reference Data Management
15 7 (10.77%) SDLC
Programming Languages
1 62 (95.38%) SQL
2 30 (46.15%) PowerShell
3 17 (26.15%) T-SQL
4 12 (18.46%) VB
4 12 (18.46%) VBA
5 6 (9.23%) Python
6 3 (4.62%) R
7 2 (3.08%) C#
7 2 (3.08%) Java
8 1 (1.54%) JavaScript
8 1 (1.54%) U-SQL
Qualifications
1 12 (18.46%) Degree
Quality Assurance & Compliance
1 8 (12.31%) Data Quality
System Software
1 2 (3.08%) Apache Flume
Vendors
1 22 (33.85%) Oracle
2 15 (23.08%) Microsoft
3 12 (18.46%) Vertica
4 11 (16.92%) Tableau
5 5 (7.69%) MicroStrategy
5 5 (7.69%) SAP
6 4 (6.15%) Informatica
6 4 (6.15%) VMware
7 3 (4.62%) Cognos
7 3 (4.62%) Teradata
8 2 (3.08%) IBM
8 2 (3.08%) Netezza
8 2 (3.08%) RedGate
8 2 (3.08%) SnapLogic
8 2 (3.08%) Talend
9 1 (1.54%) Google
9 1 (1.54%) MuleSoft