Period
to 24 November 2017

The following table provides summary statistics for contract job vacancies advertised in London with a requirement for Star Schema skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Star Schema over the 6 months to 24 November 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Star Schema
England > London
6 months to
24 Nov 2017
Same period 2016 Same period 2015
Rank 592 572 547
Rank change year-on-year -20 -25 -18
Contract jobs citing Star Schema 37 48 66
As % of all contract IT jobs advertised in London 0.079% 0.11% 0.14%
As % of the Database & Business Intelligence category 0.33% 0.46% 0.58%
Number of daily rates quoted 29 38 53
London median daily rate £490 £500 £425
Median daily rate % change year-on-year -2.00% +17.65% +0.59%
10th Percentile £386 £362 £313
90th Percentile £594 £641 £544
England median daily rate £484 £450 £425
% change year-on-year +7.50% +5.88% +11.84%
Number of hourly rates quoted 0 0 0
London median hourly rate - - -
England median hourly rate £42.50 £27.50 £57.75
% change year-on-year +54.55% -52.38% -

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

All Database and Business Intelligence Skills
London
Contract vacancies with a requirement for database or business intelligence skills 11224 10533 11308
As % of all contract IT jobs advertised in London 23.83% 23.35% 24.09%
Number of daily rates quoted 8334 7458 8062
London median daily rate £500 £475 £450
Median daily rate % change year-on-year +5.26% +5.56% +5.88%
10th Percentile £353 £325 £305
90th Percentile £663 £638 £625
England median daily rate £460 £425 £413
% change year-on-year +8.24% +3.03% +3.13%
Number of hourly rates quoted 60 40 75
London median hourly rate £26.88 £30.94 £22.50
Median hourly rate % change year-on-year -13.11% +37.51% -14.29%
10th Percentile £18.23 £15.25 £14.85
90th Percentile £58.75 £82.58 £92.00
England median hourly rate £32.00 £27.75 £27.64
% change year-on-year +15.32% +0.40% +12.82%

Star Schema
Job Vacancy Trend in London

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

Job vacancy trend for Star Schema in London

Star Schema
Contractor Daily Rate Trend in London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Star Schema in London.

Contractor daily rate trend for Star Schema in London

Star Schema
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing Star Schema in London over the 6 months to 24 November 2017.

Contractor daily rate histogram for Star Schema in London

Star Schema
Contractor Hourly Rate Trend in London

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Star Schema in London.

Contractor hourly rate trend for Star Schema in London

Star Schema
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Star 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London +3 6 £500 +8.11% 3
South London -21 6 £488 -
West London -8 2 £325 -
Star Schema
England

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

1 36 (97.30%) SQL
2 24 (64.86%) Data Warehouse
3 21 (56.76%) Microsoft Excel
4 20 (54.05%) ETL
5 19 (51.35%) XML
5 19 (51.35%) Data Integration
6 18 (48.65%) SAS
6 18 (48.65%) Linux
7 16 (43.24%) Business Intelligence
7 16 (43.24%) Agile Software Development
7 16 (43.24%) Data Quality
8 15 (40.54%) Data Analysis
8 15 (40.54%) Scrum
9 14 (37.84%) AWK
9 14 (37.84%) Validation
9 14 (37.84%) PostgreSQL
9 14 (37.84%) Windows
9 14 (37.84%) VBScript
9 14 (37.84%) PowerShell
9 14 (37.84%) Greenplum
9 14 (37.84%) SAS Macro
9 14 (37.84%) SAS Enterprise Guide
9 14 (37.84%) REST
9 14 (37.84%) sed
9 14 (37.84%) SQL Optimisation
10 13 (35.14%) SC Cleared
10 13 (35.14%) Security Cleared
11 10 (27.03%) Kimball Methodology
12 9 (24.32%) SQL Server Integration Services
12 9 (24.32%) PL/SQL

Star 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 18 (48.65%) SAS
2 4 (10.81%) Apache Spark
3 2 (5.41%) SharePoint
3 2 (5.41%) SharePoint 2010
Applications
1 21 (56.76%) Microsoft Excel
2 2 (5.41%) Spreadsheet
Business Applications
1 1 (2.70%) Markit EDM
Cloud Services
1 3 (8.11%) Microsoft Azure
Database & Business Intelligence
1 24 (64.86%) Data Warehouse
2 14 (37.84%) PostgreSQL
2 14 (37.84%) SAS Enterprise Guide
3 9 (24.32%) SQL Server Integration Services
4 8 (21.62%) SQL Server
5 6 (16.22%) SQL Server Analysis Services
6 5 (13.51%) NoSQL
6 5 (13.51%) Power BI
6 5 (13.51%) PowerPivot
7 4 (10.81%) Big Data
7 4 (10.81%) Qlik Sense
7 4 (10.81%) SQL Server Reporting Services
8 3 (8.11%) Oracle Database
8 3 (8.11%) Oracle Database 11g
8 3 (8.11%) SQL Server 2012
9 2 (5.41%) Data Mart
9 2 (5.41%) PerformancePoint
9 2 (5.41%) QlikView
9 2 (5.41%) Snowflake Schema
10 1 (2.70%) BusinessObjects
Development Applications
1 1 (2.70%) Team Foundation Server
General
1 4 (10.81%) Banking
2 3 (8.11%) Finance
3 1 (2.70%) Investment Banking
3 1 (2.70%) Law
3 1 (2.70%) Legal
3 1 (2.70%) Retail
Job Titles
1 18 (48.65%) Data Engineer
2 11 (29.73%) Senior Data Engineer
3 9 (24.32%) Developer
4 6 (16.22%) Consultant
5 5 (13.51%) Data Consultant
5 5 (13.51%) Data Integration Consultant
5 5 (13.51%) Informatica Consultant
5 5 (13.51%) Integration Consultant
6 4 (10.81%) Analyst
6 4 (10.81%) Business Intelligence Developer
6 4 (10.81%) Oracle Consultant
7 3 (8.11%) Data Analyst
7 3 (8.11%) Market Risk Analyst
7 3 (8.11%) Risk Analyst
7 3 (8.11%) SSAS Developer
8 2 (5.41%) Analyst Developer
8 2 (5.41%) Banking Analyst
8 2 (5.41%) Cognos Consultant
8 2 (5.41%) Risk Data Analyst
8 2 (5.41%) SSIS Developer
Libraries, Frameworks & Software Standards
1 19 (51.35%) XML
2 14 (37.84%) REST
3 5 (13.51%) SOAP
4 4 (10.81%) D3.js
5 3 (8.11%) MDX
5 3 (8.11%) Spring
6 2 (5.41%) .NET
6 2 (5.41%) .NET Framework
6 2 (5.41%) ASP.NET
6 2 (5.41%) COM
Miscellaneous
1 6 (16.22%) Analytical Skills
2 3 (8.11%) Market Risk
3 2 (5.41%) User Experience
4 1 (2.70%) Data Structures
4 1 (2.70%) Digital Media
4 1 (2.70%) Greenfield Project
4 1 (2.70%) Reference Data
Operating Systems
1 18 (48.65%) Linux
2 14 (37.84%) Windows
3 4 (10.81%) Unix
Processes & Methodologies
1 20 (54.05%) ETL
2 19 (51.35%) Data Integration
3 16 (43.24%) Agile Software Development
3 16 (43.24%) Business Intelligence
4 15 (40.54%) Data Analysis
4 15 (40.54%) Scrum
5 14 (37.84%) SQL Optimisation
5 14 (37.84%) Validation
6 10 (27.03%) Kimball Methodology
7 8 (21.62%) Analytics
7 8 (21.62%) Visualisation
8 6 (16.22%) Data Modelling
8 6 (16.22%) Data Visualisation
9 4 (10.81%) Business Analytics
9 4 (10.81%) Functional Programming
9 4 (10.81%) Inmon Methodology
9 4 (10.81%) Machine Learning
9 4 (10.81%) OO
10 3 (8.11%) Office Automation
10 3 (8.11%) Performance Tuning
Programming Languages
1 36 (97.30%) SQL
2 14 (37.84%) AWK
2 14 (37.84%) PowerShell
2 14 (37.84%) SAS Macro
2 14 (37.84%) sed
2 14 (37.84%) VBScript
3 9 (24.32%) PL/SQL
3 9 (24.32%) Python
4 7 (18.92%) Java
5 6 (16.22%) R
6 5 (13.51%) VBA
7 4 (10.81%) Scala
7 4 (10.81%) Shell Script
8 3 (8.11%) Data Analysis Expressions (DAX)
8 3 (8.11%) Perl
8 3 (8.11%) T-SQL
9 2 (5.41%) C#
Qualifications
1 13 (35.14%) SC Cleared
1 13 (35.14%) Security Cleared
Quality Assurance & Compliance
1 16 (43.24%) Data Quality
Systems Management
1 5 (13.51%) Control-M
2 1 (2.70%) Oracle EDQ
Vendors
1 14 (37.84%) Greenplum
2 9 (24.32%) Oracle
3 6 (16.22%) Informatica
3 6 (16.22%) Tableau
4 5 (13.51%) BMC
5 3 (8.11%) Microsoft
6 2 (5.41%) Cognos
6 2 (5.41%) SAP
7 1 (2.70%) MicroStrategy