The following table provides summary statistics for permanent job vacancies advertised in Hayes 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 25 June 2017 with a comparison to the same period in the previous 2 years.

SQL (Structured Query Language)
London / Hayes
3 months to
25 Jun 2017
Same period 2016 Same period 2015
Rank 4 1 8
Rank change year-on-year -3 +7  
Permanent jobs citing SQL 2 17 1
As % of all permanent IT jobs advertised in Hayes 10.00% 40.48% 5.00%
As % of the Programming Languages category 66.67% 70.83% 33.33%
Number of salaries quoted 0 17 1
Median salary - £39,000 £30,000
Median salary % change year-on-year - +30.00%  
UK excluding London median salary £40,000 £40,000 £40,000

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 Hayes with a requirement for programming language skills.

Programming Language Skills
Hayes
Permanent job vacancies with a requirement for programming language skills 3 24 3
As % of all permanent IT job vacancies advertised in Hayes 15.00% 57.14% 15.00%
Number of salaries quoted 1 24 2
Median salary £42,500 £47,500 £43,750
Median salary % change year-on-year -10.52% +8.57%  
UK excluding London median salary £42,500 £41,000 £40,000
% change year-on-year +3.65% +2.50%  

SQL
Job Vacancy Trend in Hayes

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

Job vacancy trend for SQL in Hayes

SQL
Salary Trend in Hayes

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

Salary trend for SQL in Hayes

For the 6 months to 25 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 Hayes region with a requirement for SQL.

1 2 (66.67%) HTML
1 2 (66.67%) Java
1 2 (66.67%) J2EE
1 2 (66.67%) XML
1 2 (66.67%) XSD
1 2 (66.67%) XSLT
1 2 (66.67%) ERP
1 2 (66.67%) Eclipse
1 2 (66.67%) CRM
1 2 (66.67%) Sun
1 2 (66.67%) MVC
1 2 (66.67%) Hibernate
1 2 (66.67%) Agile Software Development
1 2 (66.67%) Content Management
1 2 (66.67%) Spring
1 2 (66.67%) Maven
1 2 (66.67%) Ajax
1 2 (66.67%) Sun Certification
1 2 (66.67%) JSR 168
1 2 (66.67%) jQuery
1 2 (66.67%) Liferay
1 2 (66.67%) Information Architecture
1 2 (66.67%) HTML5
1 2 (66.67%) Waterfall
1 2 (66.67%) D3.js
1 2 (66.67%) AngularJS
1 2 (66.67%) Twitter Bootstrap
1 2 (66.67%) Translating Business Requirements
2 1 (33.33%) Windows Server
2 1 (33.33%) SQL Server 2012

SQL
Co-occurring IT Skills in Hayes 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 2 (66.67%) Liferay
Communications & Networking
1 1 (33.33%) TCP/IP
Database & Business Intelligence
1 1 (33.33%) SQL Server
1 1 (33.33%) SQL Server 2012
Development Applications
1 2 (66.67%) Eclipse
1 2 (66.67%) Maven
General
1 1 (33.33%) Italian Language
Job Titles
1 2 (66.67%) Architect
2 1 (33.33%) Support Engineer
Libraries, Frameworks & Software Standards
1 2 (66.67%) Ajax
1 2 (66.67%) AngularJS
1 2 (66.67%) D3.js
1 2 (66.67%) Hibernate
1 2 (66.67%) HTML
1 2 (66.67%) HTML5
1 2 (66.67%) J2EE
1 2 (66.67%) jQuery
1 2 (66.67%) JSR 168
1 2 (66.67%) Spring
1 2 (66.67%) Twitter Bootstrap
1 2 (66.67%) XML
1 2 (66.67%) XSD
1 2 (66.67%) XSLT
Miscellaneous
1 1 (33.33%) Client/Server
Operating Systems
1 1 (33.33%) Linux
1 1 (33.33%) Windows
1 1 (33.33%) Windows Server
1 1 (33.33%) Windows Server 2008
1 1 (33.33%) Windows Server 2012
Processes & Methodologies
1 2 (66.67%) Agile Software Development
1 2 (66.67%) Content Management
1 2 (66.67%) CRM
1 2 (66.67%) ERP
1 2 (66.67%) Information Architecture
1 2 (66.67%) MVC
1 2 (66.67%) Translating Business Requirements
1 2 (66.67%) Waterfall
Programming Languages
1 2 (66.67%) Java
Qualifications
1 2 (66.67%) Sun Certification
2 1 (33.33%) CCNA
2 1 (33.33%) Cisco Certification
Vendors
1 2 (66.67%) Sun
2 1 (33.33%) Cisco
2 1 (33.33%) Microsoft