The following table provides summary statistics for permanent job vacancies advertised in Isleworth with a requirement for SQL skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited SQL over the 3 months to 29 June 2017 with a comparison to the same period in the previous 2 years.

SQL (Structured Query Language)
London > Isleworth
3 months to
29 Jun 2017
Same period 2016 Same period 2015
Rank 1 3 3
Rank change year-on-year +2 0  
Permanent jobs citing SQL 5 4 1
As % of all permanent IT jobs advertised in Isleworth 100.00% 36.36% 20.00%
As % of the Programming Languages category 100.00% 100.00% 33.33%
Number of salaries quoted 5 4 0
Isleworth median annual salary £55,000 £37,500 -
Median salary % change year-on-year +46.66% -  
London median annual salary £57,500 £55,000 £52,500
% change year-on-year +4.54% +4.76%  

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

Programming Language Skills
Isleworth
Permanent job vacancies with a requirement for programming language skills 5 4 3
As % of all permanent IT job vacancies advertised in Isleworth 100.00% 36.36% 60.00%
Number of salaries quoted 14 12 1
Isleworth median annual salary £55,000 £20,000 £32,500
Median salary % change year-on-year +175.00% -38.46%  
10th Percentile £52,500 £19,500 £31,250
90th Percentile £57,500 £33,750 £53,800
London median annual salary £60,000 £57,500 £55,000
% change year-on-year +4.34% +4.54%  

SQL
Job Vacancy Trend in Isleworth

Job postings citing SQL as a percentage of all IT jobs advertised in Isleworth.

Job vacancy trend for SQL in Isleworth

SQL
Salary Trend in Isleworth

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing SQL in Isleworth.

Salary trend for SQL in Isleworth

For the 6 months to 29 June 2017, IT jobs citing SQL also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Isleworth region with a requirement for SQL.

1 9 (90.00%) .NET
2 8 (80.00%) C#
2 8 (80.00%) ASP.NET
3 7 (70.00%) Agile Software Development
4 3 (30.00%) CSS
4 3 (30.00%) Microsoft
4 3 (30.00%) HTML
4 3 (30.00%) JavaScript
5 2 (20.00%) T-SQL
5 2 (20.00%) XHTML
5 2 (20.00%) Web Services
5 2 (20.00%) MVC
5 2 (20.00%) Ajax
5 2 (20.00%) .NET Framework
5 2 (20.00%) jQuery
5 2 (20.00%) AngularJS
5 2 (20.00%) ASP.NET Web Forms
5 2 (20.00%) Greenfield Project
6 1 (10.00%) ISTQB Foundation Certification
6 1 (10.00%) Test Planning
6 1 (10.00%) Low Latency
6 1 (10.00%) User Acceptance Testing
6 1 (10.00%) Test Automation
6 1 (10.00%) HP Quality Center
6 1 (10.00%) Continuous Improvement
6 1 (10.00%) Functional Testing
6 1 (10.00%) JIRA
6 1 (10.00%) Software Testing
6 1 (10.00%) Telecoms
6 1 (10.00%) STB

SQL
Co-occurring IT Skills in Isleworth 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 (10.00%) Microsoft Excel
1 1 (10.00%) Microsoft Office
Development Applications
1 1 (10.00%) JIRA
General
1 1 (10.00%) Telecoms
Job Titles
1 9 (90.00%) Developer
2 8 (80.00%) .NET Developer
3 2 (20.00%) ASP.NET MVC Developer
4 1 (10.00%) Java Developer
4 1 (10.00%) Manual Tester
4 1 (10.00%) Tester
Libraries, Frameworks & Software Standards
1 9 (90.00%) .NET
2 8 (80.00%) ASP.NET
3 3 (30.00%) CSS
3 3 (30.00%) HTML
4 2 (20.00%) .NET Framework
4 2 (20.00%) Ajax
4 2 (20.00%) AngularJS
4 2 (20.00%) ASP.NET Web Forms
4 2 (20.00%) jQuery
4 2 (20.00%) Web Services
4 2 (20.00%) XHTML
Miscellaneous
1 2 (20.00%) Greenfield Project
2 1 (10.00%) MPEG
2 1 (10.00%) STB
Operating Systems
1 1 (10.00%) Unix
Processes & Methodologies
1 7 (70.00%) Agile Software Development
2 2 (20.00%) MVC
3 1 (10.00%) Continuous Improvement
3 1 (10.00%) Functional Testing
3 1 (10.00%) Low Latency
3 1 (10.00%) Regression Testing
3 1 (10.00%) Software Testing
3 1 (10.00%) Test Automation
3 1 (10.00%) Test Planning
3 1 (10.00%) User Acceptance Testing
Programming Languages
1 8 (80.00%) C#
2 3 (30.00%) JavaScript
3 2 (20.00%) T-SQL
4 1 (10.00%) Java
4 1 (10.00%) VB.NET
4 1 (10.00%) VBScript
Qualifications
1 1 (10.00%) ISEB
1 1 (10.00%) ISTQB Foundation Certification
Systems Management
1 1 (10.00%) HP Quality Center
Vendors
1 3 (30.00%) Microsoft