The following table provides summary statistics for permanent job vacancies advertised in Hertford 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 30 March 2017 with a comparison to the same period in the previous 2 years.

SQL (Structured Query Language)
Hertfordshire / Hertford
3 months to
30 Mar 2017
Same period 2016 Same period 2015
Rank 18 8 9
Rank change year-on-year -10 +1  
Permanent jobs citing SQL 1 6 2
As % of all permanent IT jobs advertised in Hertford 1.85% 18.18% 5.56%
As % of the Programming Languages category 2.56% 28.57% 14.29%
Number of salaries quoted 1 6 2
Median salary £25,000 £45,000 £36,250
Median salary % change year-on-year -44.44% +24.13%  
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 Hertford with a requirement for programming language skills.

Programming Language Skills
Hertford
Permanent job vacancies with a requirement for programming language skills 39 21 14
As % of all permanent IT job vacancies advertised in Hertford 72.22% 63.64% 38.89%
Number of salaries quoted 39 21 14
Median salary £32,500 £40,000 £45,000
Median salary % change year-on-year -18.75% -11.11%  
90% offered a salary of more than £25,000 £32,000 £30,500
10% offered a salary of more than £70,000 £70,000 £60,000
UK excluding London median salary £41,000 £41,000 £40,000
% change year-on-year - +2.50%  

SQL
Job Vacancy Trend in Hertford

The job posting trend of jobs advertised in Hertford 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 Hertford

SQL
Salary Trend in Hertford

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

Salary trend for SQL in Hertford

For the 6 months to 30 March 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 Hertford region with a requirement for SQL.

1 5 (100.00%) Computer Science
2 4 (80.00%) SDLC
2 4 (80.00%) Software Engineering
3 3 (60.00%) Agile Software Development
3 3 (60.00%) Web Design
3 3 (60.00%) User Experience
4 2 (40.00%) Degree
4 2 (40.00%) Java
5 1 (20.00%) PHP
5 1 (20.00%) .NET
5 1 (20.00%) MySQL
5 1 (20.00%) Oracle
5 1 (20.00%) SQL Server
5 1 (20.00%) JDBC
5 1 (20.00%) JSP
5 1 (20.00%) Struts
5 1 (20.00%) Web Services
5 1 (20.00%) MVC
5 1 (20.00%) C
5 1 (20.00%) C#
5 1 (20.00%) C++
5 1 (20.00%) OO
5 1 (20.00%) Swing
5 1 (20.00%) Python
5 1 (20.00%) Business Intelligence
5 1 (20.00%) Spring

SQL
Co-occurring IT Skills in Hertford 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 (20.00%) MySQL
1 1 (20.00%) SQL Server
Job Titles
1 4 (80.00%) Graduate
2 3 (60.00%) Analyst
2 3 (60.00%) Graduate Analyst
2 3 (60.00%) Graduate Software Analyst
2 3 (60.00%) Software Analyst
3 2 (40.00%) Developer
4 1 (20.00%) Graduate Developer
4 1 (20.00%) Java Developer
4 1 (20.00%) Senior Developer
4 1 (20.00%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 1 (20.00%) .NET
1 1 (20.00%) JDBC
1 1 (20.00%) JSP
1 1 (20.00%) Spring
1 1 (20.00%) Struts
1 1 (20.00%) Swing
1 1 (20.00%) Web Services
Miscellaneous
1 5 (100.00%) Computer Science
2 3 (60.00%) User Experience
Processes & Methodologies
1 4 (80.00%) SDLC
1 4 (80.00%) Software Engineering
2 3 (60.00%) Agile Software Development
2 3 (60.00%) Web Design
3 1 (20.00%) Business Intelligence
3 1 (20.00%) MVC
3 1 (20.00%) OO
Programming Languages
1 2 (40.00%) Java
2 1 (20.00%) C
2 1 (20.00%) C#
2 1 (20.00%) C++
2 1 (20.00%) PHP
2 1 (20.00%) Python
Qualifications
1 2 (40.00%) Degree
Vendors
1 1 (20.00%) Oracle