The table below looks at the statistics for ERD skills in IT contracts advertised for the City of London region. Included is a guide to the contractor rates offered in IT contracts that have cited ERD over the 3 months to 24 September 2016 with a comparison to the same period over the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
24 Sep 2016
Same period 2015 Same period 2014
Entity-Relationship Diagram (ER Diagram)
Rank 170 - -
Rank change year-on-year
- 0
Contract jobs citing ERD 2 0 0
As % of all contract IT jobs located in the City of London 0.059% - -
As % of the Processes & Methodologies category 0.067% - -
Number of daily rates quoted 2 0 0
Median daily rate £563 - -
UK excluding London median daily rate £300 £356 £470
% change year-on-year
-15.78% -24.20%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - £26.09 -
ERD
London

The following table is for comparison with the above and provides statistics for the entire Processes & Methodologies category in contract jobs advertised in the City of London region.

Processes & Methodologies Category
City of London
Contract IT job ads with a match in the
Processes & Methodologies category
2987 3974 4675
As % of all contract IT jobs located in the City of London 87.49% 84.12% 79.70%
Number of daily rates quoted 2387 3166 3513
Median daily rate £475 £471 £450
Median daily rate % change year-on-year
+0.79% +4.72%
90% offered a daily rate of more than £350 £315 £315
10% offered a daily rate of more than £625 £625 £625
UK excluding London median daily rate £400 £400 £375
% change year-on-year
- +6.66%
Number of hourly rates quoted 21 37 52
Median hourly rate £20.00 £21.00 £21.62
Median hourly rate % change year-on-year
-4.76% -2.86%
90% offered a hourly rate of more than £12.50 £13.00 £12.50
10% offered a hourly rate of more than £50.00 £37.50 £35.60
UK excluding London median hourly rate £32.50 £33.64 £26.50
% change year-on-year
-3.38% +26.94%

ERD
Jobs Demand Trend in the City of London

The demand trend of contract jobs across the City of London region citing ERD as a proportion of all IT contracts with a match in the Processes & Methodologies category.

ERD Jobs Demand Trend in the City of London

ERD
Daily Rate Trend in the City of London

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing ERD across the City of London region.

ERD Daily Rate Trend in the City of London

ERD
Daily Rate Histogram in the City of London

This chart provides a histogram of daily rates quoted in contract IT jobs citing ERD across the City of London region over the 3 months to 24 September 2016.

ERD Daily Rate Histogram in the City of London

ERD
Top 28 Related IT Skills in the City of London

For the 6 months to 24 September 2016, IT contractor jobs citing ERD 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 ERD.

1 3 (75.00%) Data Modelling
2 2 (50.00%) ETL
2 2 (50.00%) Business Intelligence
2 2 (50.00%) ERwin
2 2 (50.00%) XML
2 2 (50.00%) EDI
2 2 (50.00%) Finance
2 2 (50.00%) TOGAF
2 2 (50.00%) Data Architecture
3 1 (25.00%) Security Architecture
3 1 (25.00%) Data Quality
3 1 (25.00%) Kimball Methodology
3 1 (25.00%) User Stories
3 1 (25.00%) System Integration Testing
3 1 (25.00%) SDLC
3 1 (25.00%) Wireframes
3 1 (25.00%) Data Flow Diagram
3 1 (25.00%) Data Analysis
3 1 (25.00%) Investment Banking
3 1 (25.00%) Unit Testing
3 1 (25.00%) Integration Testing
3 1 (25.00%) Test Scripting
3 1 (25.00%) Stakeholder Management
3 1 (25.00%) Banking
3 1 (25.00%) SQL
3 1 (25.00%) UML
3 1 (25.00%) Data Warehouse
3 1 (25.00%) Regression Testing

ERD
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 1 (25.00%) Data Warehouse
Development Applications
1 2 (50.00%) ERwin
General
1 2 (50.00%) Finance
2 1 (25.00%) Banking
2 1 (25.00%) Investment Banking
Job Titles
1 2 (50.00%) Analyst
1 2 (50.00%) Architect
1 2 (50.00%) Business Analyst
1 2 (50.00%) Data Architect
1 2 (50.00%) Solutions Architect
2 1 (25.00%) Business Intelligence Analyst
2 1 (25.00%) Business Intelligence Business Analyst
2 1 (25.00%) Risk Analyst
2 1 (25.00%) Risk Business Analyst
2 1 (25.00%) Senior Analyst
2 1 (25.00%) Senior Business Analyst
2 1 (25.00%) Senior Risk Analyst
Libraries, Frameworks & Software Standards
1 2 (50.00%) EDI
1 2 (50.00%) XML
Processes & Methodologies
1 3 (75.00%) Data Modelling
2 2 (50.00%) Business Intelligence
2 2 (50.00%) Data Architecture
2 2 (50.00%) ETL
2 2 (50.00%) TOGAF
3 1 (25.00%) Data Analysis
3 1 (25.00%) Data Flow Diagram
3 1 (25.00%) Integration Testing
3 1 (25.00%) Kimball Methodology
3 1 (25.00%) Regression Testing
3 1 (25.00%) SDLC
3 1 (25.00%) Security Architecture
3 1 (25.00%) Stakeholder Management
3 1 (25.00%) System Integration Testing
3 1 (25.00%) Test Scripting
3 1 (25.00%) UML
3 1 (25.00%) Unit Testing
3 1 (25.00%) User Stories
3 1 (25.00%) Wireframes
Programming Languages
1 1 (25.00%) SQL
Quality Assurance & Compliance
1 1 (25.00%) Data Quality