The following table provides summary statistics for contract job vacancies advertised in Welwyn Garden City 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 23 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.

3 months to
23 Mar 2017
Same period 2016 Same period 2015
SQL (Structured Query Language)
Hertfordshire / Welwyn Garden City
Rank 3 6 7
Rank change year-on-year +3 +1  
Contract jobs citing SQL 11 6 6
As % of all contract IT jobs advertised in Welwyn Garden City 20.00% 10.53% 20.00%
As % of the Programming Languages category 50.00% 40.00% 31.58%
Number of daily rates quoted 6 1 0
Median daily rate £333 £325 -
Median daily rate % change year-on-year +2.30% -  
UK excluding London median daily rate £363 £370 £350
% change year-on-year -2.02% +5.71%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £40.00 £23.02 £30.00
% change year-on-year +73.76% -23.26%  

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 Welwyn Garden City with a requirement for programming language skills.

Contract Programming Language Skills
Welwyn Garden City
Contract job vacancies with a requirement for programming language skills 22 15 19
As % of all contract IT job vacancies advertised in Welwyn Garden City 40.00% 26.32% 63.33%
Number of daily rates quoted 12 6 3
Median daily rate £395 £345 £378
Median daily rate % change year-on-year +14.49% -8.60%  
90% offered a daily rate of more than £325 £320 £356
10% offered a daily rate of more than £575 £400 £406
UK excluding London median daily rate £390 £375 £350
% change year-on-year +4.00% +7.14%  
Number of hourly rates quoted 0 1 0
Median hourly rate - £9.23 -
UK excluding London median hourly rate £41.64 £40.00 £36.00
% change year-on-year +4.10% +11.11%  

SQL
Job Vacancy Trend in Welwyn Garden City

The job posting trend of jobs advertised in Welwyn Garden City 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 Welwyn Garden City

SQL
Contractor Daily Rate Trend in Welwyn Garden City

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

Contractor daily rate trend for SQL in Welwyn Garden City

SQL
Contractor Daily Rate Histogram in Welwyn Garden City

The daily rate distribution of IT jobs citing SQL in Welwyn Garden City over the 3 months to 23 March 2017.

Contractor daily rate histogram for SQL in Welwyn Garden City

SQL
Contractor Hourly Rate Trend in Welwyn Garden City

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

Contractor hourly rate trend for SQL in Welwyn Garden City

SQL
Top 30 Related IT Skills in Welwyn Garden City

For the 6 months to 23 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 Welwyn Garden City region with a requirement for SQL.

1 13 (61.90%) Linux
2 11 (52.38%) Java
3 10 (47.62%) Windows
4 8 (38.10%) Python
5 7 (33.33%) Apache
5 7 (33.33%) Tomcat
5 7 (33.33%) Perl
5 7 (33.33%) Finance
5 7 (33.33%) PostgreSQL
5 7 (33.33%) Ruby
5 7 (33.33%) Bash Shell
5 7 (33.33%) LAPP Stack
6 6 (28.57%) Clustering
6 6 (28.57%) Firewall
6 6 (28.57%) Internet
6 6 (28.57%) TCP/IP
6 6 (28.57%) SSL
7 5 (23.81%) EFT
7 5 (23.81%) Unix
7 5 (23.81%) MySQL
7 5 (23.81%) Analytical Skills
8 4 (19.05%) Payment Gateway
8 4 (19.05%) Puppet
8 4 (19.05%) QA
8 4 (19.05%) LAMP
8 4 (19.05%) Banking
8 4 (19.05%) C
8 4 (19.05%) FTP
9 3 (14.29%) MS Excel
9 3 (14.29%) Data Warehouse

SQL
Top Related IT Skills in Welwyn Garden City 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 (33.33%) Apache
1 7 (33.33%) Tomcat
2 1 (4.76%) Elasticsearch
2 1 (4.76%) nginx
Applications
1 3 (14.29%) MS Excel
2 1 (4.76%) MS Office
2 1 (4.76%) MS PowerPoint
Business Applications
1 4 (19.05%) Payment Gateway
Cloud Services
1 1 (4.76%) Office 365
Communications & Networking
1 6 (28.57%) Firewall
1 6 (28.57%) Internet
1 6 (28.57%) SSL
1 6 (28.57%) TCP/IP
2 4 (19.05%) FTP
Database & Business Intelligence
1 7 (33.33%) PostgreSQL
2 5 (23.81%) MySQL
3 3 (14.29%) Data Warehouse
4 1 (4.76%) Big Data
4 1 (4.76%) NoSQL
4 1 (4.76%) Oracle Database
4 1 (4.76%) Redis
Development Applications
1 1 (4.76%) Git (software)
1 1 (4.76%) JDeveloper
1 1 (4.76%) Oracle APEX
1 1 (4.76%) Vagrant
General
1 7 (33.33%) Finance
2 4 (19.05%) Banking
3 2 (9.52%) Retail
4 1 (4.76%) Financial Institution
4 1 (4.76%) Marketing
Job Titles
1 5 (23.81%) Support Engineer
2 4 (19.05%) Service Desk Engineer
3 3 (14.29%) Analyst
3 3 (14.29%) Applications Support
3 3 (14.29%) DevOps Engineer
3 3 (14.29%) Integration Engineer
4 2 (9.52%) Applications Engineer
4 2 (9.52%) Applications Support Engineer
4 2 (9.52%) Data Analyst
4 2 (9.52%) Financial Analyst
4 2 (9.52%) Service Desk Support
4 2 (9.52%) Software Engineer
4 2 (9.52%) Software Support Engineer
5 1 (4.76%) Data Engineer
5 1 (4.76%) Developer
5 1 (4.76%) E-Commerce Engineer
5 1 (4.76%) Service Support Manager
5 1 (4.76%) Services Delivery Manager
5 1 (4.76%) Support Analyst
5 1 (4.76%) Systems Engineer
Libraries, Frameworks & Software Standards
1 7 (33.33%) LAPP Stack
2 4 (19.05%) LAMP
3 3 (14.29%) HTML
4 1 (4.76%) CSS
4 1 (4.76%) JSON
4 1 (4.76%) LEMP Stack
4 1 (4.76%) Pyramid
4 1 (4.76%) REST
Miscellaneous
1 6 (28.57%) Clustering
2 5 (23.81%) Analytical Skills
2 5 (23.81%) EFT
3 2 (9.52%) FMCG
4 1 (4.76%) Algorithms
4 1 (4.76%) Computer Science
4 1 (4.76%) Credit Risk
Operating Systems
1 13 (61.90%) Linux
2 10 (47.62%) Windows
3 5 (23.81%) Unix
4 1 (4.76%) Android
4 1 (4.76%) Apple iOS
4 1 (4.76%) Windows 10
4 1 (4.76%) Windows 7
4 1 (4.76%) Windows 8
4 1 (4.76%) Windows Server
4 1 (4.76%) Windows Server 2008
Processes & Methodologies
1 3 (14.29%) DevOps
1 3 (14.29%) E-Commerce
1 3 (14.29%) Software Engineering
1 3 (14.29%) Technical Analysis
2 2 (9.52%) Actionable Insight
2 2 (9.52%) Financial Modelling
2 2 (9.52%) Incident Management
2 2 (9.52%) Mathematics
3 1 (4.76%) Agile Software Development
3 1 (4.76%) Analytics
3 1 (4.76%) Business Intelligence
3 1 (4.76%) Configuration Management
3 1 (4.76%) Continuous Improvement
3 1 (4.76%) High Availability
3 1 (4.76%) ITSM
3 1 (4.76%) Performance Metrics
3 1 (4.76%) PRINCE
3 1 (4.76%) Service Delivery
3 1 (4.76%) TDD
3 1 (4.76%) Web Analytics
Programming Languages
1 11 (52.38%) Java
2 8 (38.10%) Python
3 7 (33.33%) Bash Shell
3 7 (33.33%) Perl
3 7 (33.33%) Ruby
4 4 (19.05%) C
5 3 (14.29%) PHP
6 1 (4.76%) C++
6 1 (4.76%) Go
6 1 (4.76%) JavaScript
6 1 (4.76%) Lua
6 1 (4.76%) MATLAB
6 1 (4.76%) PL/SQL
Qualifications
1 1 (4.76%) PMP
1 1 (4.76%) RHCE
Quality Assurance & Compliance
1 4 (19.05%) QA
2 1 (4.76%) SLA
System Software
1 3 (14.29%) Active Directory
2 2 (9.52%) Docker
Systems Management
1 4 (19.05%) Puppet
2 1 (4.76%) Salt
Vendors
1 3 (14.29%) Microsoft
2 1 (4.76%) Oracle