The following table provides summary statistics for contract job vacancies advertised in Wimbledon with a requirement for SQL skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited SQL over the 3 months to 30 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.

SQL (Structured Query Language)
London / Wimbledon
3 months to
30 Mar 2017
Same period 2016 Same period 2015
Rank 4 3 -
Rank change year-on-year -1 -  
Contract jobs citing SQL 5 3 0
As % of all contract IT jobs advertised in Wimbledon 27.78% 27.27% -
As % of the Programming Languages category 55.56% 60.00% -
Number of daily rates quoted 5 3 0
Median daily rate £275 £450 -
Median daily rate % change year-on-year -38.88% -  
UK excluding London median daily rate £363 £365 £350
% change year-on-year -0.68% +4.28%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £40.00 £23.50 £30.00
% change year-on-year +70.21% -21.66%  

SQL is in the programming language skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Wimbledon with a requirement for programming language skills.

Contract Programming Language Skills
Wimbledon
Contract job vacancies with a requirement for programming language skills 9 5 3
As % of all contract IT job vacancies advertised in Wimbledon 50.00% 45.45% 50.00%
Number of daily rates quoted 9 5 2
Median daily rate £275 £450 £306
Median daily rate % change year-on-year -38.88% +46.93%  
90% offered a daily rate of more than £175 £425 £281
10% offered a daily rate of more than £398 £454 £331
UK excluding London median daily rate £388 £375 £350
% change year-on-year +3.33% +7.14%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £41.50 £40.00 £36.00
% change year-on-year +3.75% +11.11%  

SQL
Job Vacancy Trend in Wimbledon

The job posting trend of jobs advertised in Wimbledon citing SQL as a proportion of all contract or permanent IT jobs with a match in the Programming Languages category.

Job vacancy trend for SQL in Wimbledon

SQL
Contractor Daily Rate Trend in Wimbledon

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing SQL in Wimbledon.

Contractor daily rate trend for SQL in Wimbledon

SQL
Contractor Hourly Rate Trend in Wimbledon

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing SQL in Wimbledon.

Contractor hourly rate trend for SQL in Wimbledon

For the 6 months to 30 March 2017, IT contractor jobs citing SQL 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 Wimbledon region with a requirement for SQL.

1 4 (57.14%) Java
1 4 (57.14%) JavaScript
1 4 (57.14%) PL/SQL
1 4 (57.14%) Oracle
1 4 (57.14%) VSS/SourceSafe
1 4 (57.14%) CSS
1 4 (57.14%) Struts
1 4 (57.14%) Hibernate
1 4 (57.14%) Spring
1 4 (57.14%) Ajax
1 4 (57.14%) Stakeholder Engagement
1 4 (57.14%) Analytical Skills
2 2 (28.57%) Data Management
3 1 (14.29%) SDLC
3 1 (14.29%) Wireframes
3 1 (14.29%) Analytics
3 1 (14.29%) Google
3 1 (14.29%) Marketing
3 1 (14.29%) Google Analytics
3 1 (14.29%) Test Scripting
3 1 (14.29%) Data Architecture
3 1 (14.29%) Revenue Management
3 1 (14.29%) Data Analysis
3 1 (14.29%) PLM
3 1 (14.29%) Stakeholder Management
3 1 (14.29%) Python
3 1 (14.29%) MS Excel
3 1 (14.29%) CRM

SQL
Co-occurring IT Skills in Wimbledon 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:

Applications
1 1 (14.29%) MS Excel
Cloud Services
1 1 (14.29%) Google Analytics
Development Applications
1 4 (57.14%) VSS/SourceSafe
General
1 1 (14.29%) Marketing
Job Titles
1 4 (57.14%) Developer
1 4 (57.14%) Java Developer
1 4 (57.14%) Java Software Developer
1 4 (57.14%) Software Developer
2 3 (42.86%) Analyst
3 2 (28.57%) Data Analyst
4 1 (14.29%) Business Analyst
4 1 (14.29%) Marketing Analyst
4 1 (14.29%) Marketing Data Analyst
Libraries, Frameworks & Software Standards
1 4 (57.14%) Ajax
1 4 (57.14%) CSS
1 4 (57.14%) Hibernate
1 4 (57.14%) Spring
1 4 (57.14%) Struts
Miscellaneous
1 4 (57.14%) Analytical Skills
Processes & Methodologies
1 4 (57.14%) Stakeholder Engagement
2 2 (28.57%) Data Management
3 1 (14.29%) Analytics
3 1 (14.29%) CRM
3 1 (14.29%) Data Analysis
3 1 (14.29%) Data Architecture
3 1 (14.29%) PLM
3 1 (14.29%) Revenue Management
3 1 (14.29%) SDLC
3 1 (14.29%) Stakeholder Management
3 1 (14.29%) Test Scripting
3 1 (14.29%) Wireframes
Programming Languages
1 4 (57.14%) Java
1 4 (57.14%) JavaScript
1 4 (57.14%) PL/SQL
2 1 (14.29%) Python
Vendors
1 4 (57.14%) Oracle
2 1 (14.29%) Google