The following table provides summary statistics for contract job vacancies advertised in the City of 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 3 months to 24 March 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.

3 months to
24 Mar 2017
Same period 2016 Same period 2015
Star Schema
London / City of London
Rank 152 144 177
Rank change year-on-year -8 +33  
Contract jobs citing Star Schema 1 14 12
As % of all contract IT jobs advertised in the City of London 0.033% 0.43% 0.24%
As % of the Database & Business Intelligence category 0.12% 1.52% 0.96%
Number of daily rates quoted 1 13 9
Median daily rate £475 £625 £463
Median daily rate % change year-on-year -24.00% +35.13%  
UK excluding London median daily rate £325 £464 £423
% change year-on-year -29.91% +9.76%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

Star Schema is in the database and business intelligence skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the City of London with a requirement for database and business intelligence skills.

Contract Database & Business Intelligence Skills
City of London
Contract job vacancies with a requirement for database and business intelligence skills 810 919 1252
As % of all contract IT job vacancies advertised in the City of London 26.72% 27.90% 24.80%
Number of daily rates quoted 640 743 967
Median daily rate £488 £475 £450
Median daily rate % change year-on-year +2.63% +5.55%  
90% offered a daily rate of more than £350 £330 £310
10% offered a daily rate of more than £625 £600 £588
UK excluding London median daily rate £400 £388 £375
% change year-on-year +3.22% +3.33%  
Number of hourly rates quoted 1 6 5
Median hourly rate £22.34 £31.29 £36.00
Median hourly rate % change year-on-year -28.60% -13.09%  
UK excluding London median hourly rate £31.00 £32.50 £32.50
% change year-on-year -4.61% -  

Star Schema
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing Star Schema as a proportion of all contract or permanent IT jobs with a match in the Database & Business Intelligence category.

Job vacancy trend for Star Schema in the City of London

Star Schema
Contractor Daily Rate Trend in the City of London

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

Contractor daily rate trend for Star Schema in the City of London

Star Schema
Top 30 Related IT Skills in the City of London

For the 6 months to 24 March 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 City of London region with a requirement for Star Schema.

1 5 (100.00%) SQL
2 4 (80.00%) Data Warehouse
2 4 (80.00%) Kimball Methodology
3 3 (60.00%) SQL Server Integration Services
3 3 (60.00%) Data Integration
3 3 (60.00%) Data Modelling
3 3 (60.00%) Oracle
3 3 (60.00%) SQL Server
4 2 (40.00%) SOAP
4 2 (40.00%) XML
4 2 (40.00%) ETL
4 2 (40.00%) PL/SQL
4 2 (40.00%) Business Intelligence
4 2 (40.00%) BMC
4 2 (40.00%) Informatica
4 2 (40.00%) Finance
4 2 (40.00%) Control-M
4 2 (40.00%) Banking
4 2 (40.00%) SQL Server Reporting Services
4 2 (40.00%) Analytical Skills
5 1 (20.00%) Data Encryption
5 1 (20.00%) Analytics
5 1 (20.00%) Inmon Methodology
5 1 (20.00%) Oracle Database
5 1 (20.00%) Performance Tuning
5 1 (20.00%) Technical Architecture
5 1 (20.00%) Degree
5 1 (20.00%) Data Protection Act
5 1 (20.00%) Freedom of Information Act
5 1 (20.00%) Computer Science

Star Schema
Top Related IT Skills in the City of 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:

Database & Business Intelligence
1 4 (80.00%) Data Warehouse
2 3 (60.00%) SQL Server
2 3 (60.00%) SQL Server Integration Services
3 2 (40.00%) SQL Server Reporting Services
4 1 (20.00%) Big Data
4 1 (20.00%) Oracle Database
4 1 (20.00%) Oracle Database 11g
4 1 (20.00%) SQL Server 2008
4 1 (20.00%) SQL Server Analysis Services
Development Applications
1 1 (20.00%) ERwin
1 1 (20.00%) PowerBuilder
1 1 (20.00%) Toad
General
1 2 (40.00%) Banking
1 2 (40.00%) Finance
2 1 (20.00%) Investment Banking
Job Titles
1 2 (40.00%) Consultant
1 2 (40.00%) Data Consultant
1 2 (40.00%) Data Integration Consultant
1 2 (40.00%) Developer
1 2 (40.00%) Integration Consultant
2 1 (20.00%) Architect
2 1 (20.00%) Business Intelligence Architect
2 1 (20.00%) C# Developer
2 1 (20.00%) Data Architect
2 1 (20.00%) Data Warehouse Developer
2 1 (20.00%) ETL Developer
2 1 (20.00%) SQL Developer
Libraries, Frameworks & Software Standards
1 2 (40.00%) SOAP
1 2 (40.00%) XML
Miscellaneous
1 2 (40.00%) Analytical Skills
2 1 (20.00%) Computer Science
2 1 (20.00%) Data Protection Act
2 1 (20.00%) Foreign Exchange (FX)
2 1 (20.00%) Freedom of Information
2 1 (20.00%) Freedom of Information Act
Processes & Methodologies
1 4 (80.00%) Kimball Methodology
2 3 (60.00%) Data Integration
2 3 (60.00%) Data Modelling
3 2 (40.00%) Business Intelligence
3 2 (40.00%) ETL
4 1 (20.00%) Agile Software Development
4 1 (20.00%) Analytics
4 1 (20.00%) Continuous Improvement
4 1 (20.00%) Data Analysis
4 1 (20.00%) Data Architecture
4 1 (20.00%) Data Protection
4 1 (20.00%) Inmon Methodology
4 1 (20.00%) Performance Tuning
4 1 (20.00%) Regression Testing
4 1 (20.00%) Stakeholder Engagement
4 1 (20.00%) Stakeholder Management
4 1 (20.00%) System Testing
4 1 (20.00%) Technical Architecture
4 1 (20.00%) TOGAF
4 1 (20.00%) Zachman Framework
Programming Languages
1 5 (100.00%) SQL
2 2 (40.00%) PL/SQL
3 1 (20.00%) C#
Qualifications
1 1 (20.00%) Degree
Quality Assurance & Compliance
1 1 (20.00%) QA
Systems Management
1 2 (40.00%) Control-M
Vendors
1 3 (60.00%) Oracle
2 2 (40.00%) BMC
2 2 (40.00%) Informatica
3 1 (20.00%) Microsoft