The following table provides summary statistics for permanent job vacancies advertised in Letchworth 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 22 March 2017 with a comparison to the same period in the previous 2 years.

3 months to
22 Mar 2017
Same period 2016 Same period 2015
SQL (Structured Query Language)
Hertfordshire / Letchworth
Rank 1 2 1
Rank change year-on-year +1 -1  
Permanent jobs citing SQL 50 17 17
As % of all permanent IT jobs advertised in Letchworth 56.82% 38.64% 51.52%
As % of the Programming Languages category 98.04% 62.96% 73.91%
Number of salaries quoted 48 16 14
Median salary £40,000 £36,250 £42,500
Median salary % change year-on-year +10.34% -14.70%  
90% offered a salary of more than £33,200 £27,500 £37,500
10% offered a salary of more than £45,000 £52,500 £85,500
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 Letchworth with a requirement for programming language skills.

Programming Language Skills
Letchworth
Permanent job vacancies with a requirement for programming language skills 51 27 23
As % of all permanent IT job vacancies advertised in Letchworth 57.95% 61.36% 69.70%
Number of salaries quoted 49 26 20
Median salary £40,000 £47,500 £67,500
Median salary % change year-on-year -15.78% -29.62%  
90% offered a salary of more than £34,550 £27,500 £37,900
10% offered a salary of more than £45,000 £90,000 £50,000
UK excluding London median salary £41,500 £40,500 £40,000
% change year-on-year +2.46% +1.25%  

SQL
Job Vacancy Trend in Letchworth

The job posting trend of jobs advertised in Letchworth 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 Letchworth

SQL
Salary Trend in Letchworth

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

Salary trend for SQL in Letchworth

SQL
Salary Histogram in Letchworth

The salary distribution of IT jobs citing SQL in Letchworth over the 3 months to 22 March 2017.

Salary histogram for SQL in Letchworth

SQL
Top 30 Related IT Skills in Letchworth

For the 6 months to 22 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 Letchworth region with a requirement for SQL.

1 54 (75.00%) SQL Server
2 40 (55.56%) C#
2 40 (55.56%) .NET
2 40 (55.56%) Scrum
2 40 (55.56%) Agile Software Development
3 38 (52.78%) TDD
3 38 (52.78%) Unit Testing
3 38 (52.78%) Team Foundation Server
3 38 (52.78%) ASP.NET MVC
3 38 (52.78%) JavaScript
3 38 (52.78%) ASP.NET
3 38 (52.78%) MVC
3 38 (52.78%) AngularJS
4 36 (50.00%) ASP.NET Web API
5 31 (43.06%) MSTest
5 31 (43.06%) NUnit
5 31 (43.06%) Continuous Integration
6 25 (34.72%) Finance
6 25 (34.72%) MS Excel
7 21 (29.17%) Oracle
8 18 (25.00%) ATDD
9 15 (20.83%) Java
10 12 (16.67%) JIRA
11 11 (15.28%) Data Protection
12 9 (12.50%) .NET Framework
12 9 (12.50%) Windows
13 8 (11.11%) Linux
13 8 (11.11%) Microsoft
14 7 (9.72%) Legal
14 7 (9.72%) Degree

SQL
Top Related IT Skills in Letchworth 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 7 (9.72%) Tomcat
2 3 (4.17%) WebLogic
3 1 (1.39%) Oracle Workflow
Applications
1 25 (34.72%) MS Excel
2 3 (4.17%) MS Office
Business Applications
1 3 (4.17%) Oracle Cash Management
1 3 (4.17%) Oracle EBS
1 3 (4.17%) Oracle Procure-to-Pay
2 2 (2.78%) Oracle Financials
2 2 (2.78%) Oracle General Ledger
2 2 (2.78%) Unit4 Business World
3 1 (1.39%) Oracle Assets
3 1 (1.39%) Oracle Payroll
Cloud Services
1 4 (5.56%) SaaS
Database & Business Intelligence
1 54 (75.00%) SQL Server
2 7 (9.72%) Crystal Reports
2 7 (9.72%) SQL Server 2012
3 6 (8.33%) Relational Database
4 5 (6.94%) Oracle Database
5 3 (4.17%) RDBMS
6 2 (2.78%) MySQL
6 2 (2.78%) Oracle Reports
7 1 (1.39%) Oracle BI EE
7 1 (1.39%) Oracle Discoverer
Development Applications
1 38 (52.78%) Team Foundation Server
2 31 (43.06%) MSTest
2 31 (43.06%) NUnit
3 12 (16.67%) JIRA
4 7 (9.72%) Protractor
4 7 (9.72%) Visual Studio
5 6 (8.33%) Selenium
6 5 (6.94%) Jasmine
7 4 (5.56%) JUnit
8 2 (2.78%) JMeter
8 2 (2.78%) LoadRunner
8 2 (2.78%) WebDriver
8 2 (2.78%) Zephyr
General
1 25 (34.72%) Finance
2 7 (9.72%) Legal
3 3 (4.17%) General Ledger
Job Titles
1 46 (63.89%) Developer
2 35 (48.61%) .NET Developer
3 33 (45.83%) C# Developer
4 32 (44.44%) C# .NET Developer
5 30 (41.67%) ASP.NET MVC Developer
6 27 (37.50%) ASP.NET Developer
7 26 (36.11%) C# ASP.NET Developer
8 11 (15.28%) Agile .NET Developer
8 11 (15.28%) Agile C# Developer
8 11 (15.28%) Agile Developer
9 8 (11.11%) Java Developer
10 5 (6.94%) Applications Consultant
10 5 (6.94%) Applications Support
10 5 (6.94%) Consultant
10 5 (6.94%) DBA
11 4 (5.56%) SQL Developer
11 4 (5.56%) Tester
12 3 (4.17%) C# Software Developer
12 3 (4.17%) Financial Analyst
12 3 (4.17%) Oracle DBA
Libraries, Frameworks & Software Standards
1 40 (55.56%) .NET
2 38 (52.78%) AngularJS
2 38 (52.78%) ASP.NET
2 38 (52.78%) ASP.NET MVC
3 36 (50.00%) ASP.NET Web API
4 9 (12.50%) .NET Framework
5 7 (9.72%) Entity Framework
6 3 (4.17%) CSS
6 3 (4.17%) HTML
7 2 (2.78%) J2EE
7 2 (2.78%) jQuery
7 2 (2.78%) XML
8 1 (1.39%) Spring
8 1 (1.39%) XSLT
Miscellaneous
1 5 (6.94%) Computer Science
2 4 (5.56%) NHS
3 2 (2.78%) Clustering
3 2 (2.78%) Driving Licence
3 2 (2.78%) Replication
4 1 (1.39%) Management Information System
Operating Systems
1 9 (12.50%) Windows
2 8 (11.11%) Linux
3 3 (4.17%) Unix
4 1 (1.39%) Windows Server
Processes & Methodologies
1 40 (55.56%) Agile Software Development
1 40 (55.56%) Scrum
2 38 (52.78%) MVC
2 38 (52.78%) TDD
2 38 (52.78%) Unit Testing
3 31 (43.06%) Continuous Integration
4 18 (25.00%) ATDD
5 11 (15.28%) Data Protection
6 6 (8.33%) E-Procurement
6 6 (8.33%) Software Engineering
7 5 (6.94%) Data Mapping
7 5 (6.94%) Procure-to-Pay
8 4 (5.56%) E-business
8 4 (5.56%) Line Management
8 4 (5.56%) Mathematics
8 4 (5.56%) Project Management
9 3 (4.17%) OWASP
9 3 (4.17%) Problem Management
9 3 (4.17%) Time Management
9 3 (4.17%) Web Development
Programming Languages
1 40 (55.56%) C#
2 38 (52.78%) JavaScript
3 15 (20.83%) Java
4 4 (5.56%) VB
5 3 (4.17%) PL/SQL
5 3 (4.17%) VBA
6 2 (2.78%) Shell Script
Qualifications
1 7 (9.72%) Degree
2 1 (1.39%) HND
2 1 (1.39%) ISEB
2 1 (1.39%) Microsoft Certification
Quality Assurance & Compliance
1 4 (5.56%) QA
2 3 (4.17%) ISO 9001
3 1 (1.39%) SLA
Systems Management
1 2 (2.78%) HP Quality Center
Vendors
1 21 (29.17%) Oracle
2 8 (11.11%) Microsoft
3 2 (2.78%) Citrix
3 2 (2.78%) HP
3 2 (2.78%) Sage
3 2 (2.78%) SAP
4 1 (1.39%) Remedy
4 1 (1.39%) Snow
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