The following table provides summary statistics for contract job vacancies advertised in Hertfordshire 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 June 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.

SQL (Structured Query Language)
East of England / Hertfordshire
3 months to
23 Jun 2017
Same period 2016 Same period 2015
Rank 6 4 4
Rank change year-on-year -2 0  
Contract jobs citing SQL 84 92 136
As % of all contract IT jobs advertised in Hertfordshire 13.29% 13.81% 15.35%
As % of the Programming Languages category 33.07% 50.00% 47.22%
Number of daily rates quoted 47 46 48
Median daily rate £350 £410 £350
Median daily rate % change year-on-year -14.63% +17.14%  
90% offered a daily rate of more than £250 £268 £300
10% offered a daily rate of more than £465 £475 £500
UK excluding London median daily rate £375 £363 £340
% change year-on-year +3.44% +6.61%  
Number of hourly rates quoted 5 1 5
Median hourly rate £15.00 £12.08 £20.94
Median hourly rate % change year-on-year +24.17% -42.29%  
90% offered a hourly rate of more than £14.40 £12.08 £16.60
10% offered a hourly rate of more than £32.22 £12.08 £29.37
UK excluding London median hourly rate £40.00 £32.50 £22.50
% change year-on-year +23.07% +44.44%  

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 Hertfordshire with a requirement for programming language skills.

Contract Programming Language Skills
Hertfordshire
Contract job vacancies with a requirement for programming language skills 254 184 288
As % of all contract IT job vacancies advertised in Hertfordshire 40.19% 27.63% 32.51%
Number of daily rates quoted 146 104 131
Median daily rate £388 £400 £350
Median daily rate % change year-on-year -3.12% +14.28%  
90% offered a daily rate of more than £290 £275 £275
10% offered a daily rate of more than £525 £490 £500
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 11 9 15
Median hourly rate £42.50 £50.00 £32.50
Median hourly rate % change year-on-year -15.00% +53.84%  
90% offered a hourly rate of more than £15.00 £15.00 £20.94
10% offered a hourly rate of more than £46.10 £52.50 £42.15
UK excluding London median hourly rate £42.50 £37.50 £36.50
% change year-on-year +13.33% +2.73%  

SQL
Job Vacancy Trend in Hertfordshire

The job posting trend of jobs advertised in Hertfordshire 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 Hertfordshire

SQL
Contractor Daily Rate Trend in Hertfordshire

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

Contractor daily rate trend for SQL in Hertfordshire

SQL
Contractor Daily Rate Histogram in Hertfordshire

The daily rate distribution of IT jobs citing SQL in Hertfordshire over the 3 months to 23 June 2017.

Contractor daily rate histogram for SQL in Hertfordshire

SQL
Contractor Hourly Rate Trend in Hertfordshire

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

Contractor hourly rate trend for SQL in Hertfordshire

SQL
Contractor Hourly Rate Histogram in Hertfordshire

The hourly rate distribution of IT jobs citing SQL in Hertfordshire over the 3 months to 23 June 2017.

Contractor hourly rate histogram for SQL in Hertfordshire

SQL
Contract Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing SQL within the Hertfordshire region over the 3 months to 23 June 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Watford -2 24 £350 -12.50% 6
Welwyn Garden City 0 8 £275 -35.29% 3
Hemel Hempstead -2 7 £360 -20.00% 5
Stevenage +3 5 £240 +60.00% 1
Hatfield -4 3 £400 - 1
Welwyn -3 2 £263 -
Borehamwood +1 1 £275 -38.88% 2
Rickmansworth 0 1 - -
Royston - 1 £250 -
Hoddesdon - 1 - - 1
SQL
East of England

For the 6 months to 23 June 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 Hertfordshire region with a requirement for SQL.

1 49 (34.27%) SQL Server
2 43 (30.07%) Java
3 42 (29.37%) JavaScript
4 39 (27.27%) .NET
5 38 (26.57%) HTML
6 36 (25.17%) C#
7 35 (24.48%) Windows
7 35 (24.48%) Microsoft
8 30 (20.98%) Linux
9 29 (20.28%) Web Services
9 29 (20.28%) CSS
9 29 (20.28%) Finance
10 28 (19.58%) ASP.NET
11 27 (18.88%) T-SQL
12 24 (16.78%) Python
13 22 (15.38%) MVC
13 22 (15.38%) JSON
14 21 (14.69%) PostgreSQL
14 21 (14.69%) Agile Software Development
14 21 (14.69%) XML
15 20 (13.99%) jQuery
16 18 (12.59%) AngularJS
17 17 (11.89%) Data Warehouse
18 16 (11.19%) Oracle
18 16 (11.19%) Tomcat
18 16 (11.19%) Firewall
18 16 (11.19%) HTML5
19 15 (10.49%) Clustering
19 15 (10.49%) SQL Server Reporting Services
19 15 (10.49%) Perl

SQL
Co-occurring IT Skills in Hertfordshire 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 16 (11.19%) Tomcat
2 15 (10.49%) Apache
3 11 (7.69%) IIS
4 7 (4.90%) MS Exchange
5 6 (4.20%) Elasticsearch
6 5 (3.50%) Exchange Server 2010
7 4 (2.80%) SharePoint
8 3 (2.10%) WebSphere
9 2 (1.40%) CMS
10 1 (0.70%) BizTalk Server
10 1 (0.70%) Confluence
10 1 (0.70%) Exchange Server 2003
10 1 (0.70%) Exchange Server 2007
10 1 (0.70%) MQSeries
10 1 (0.70%) nginx
10 1 (0.70%) WebLogic
10 1 (0.70%) WebLogic Portal
10 1 (0.70%) WebSphere Application Server
Applications
1 11 (7.69%) Microsoft Excel
2 5 (3.50%) Microsoft Office
3 3 (2.10%) Microsoft PowerPoint
4 1 (0.70%) GNU Octave
Business Applications
1 9 (6.29%) Payment Gateway
2 4 (2.80%) Dynamics CRM
3 2 (1.40%) Oracle Receivables
4 1 (0.70%) JDE OneWorld
4 1 (0.70%) Magento
4 1 (0.70%) Oracle Assets
4 1 (0.70%) Oracle Cash Management
4 1 (0.70%) Oracle EBS
4 1 (0.70%) Oracle Payables
4 1 (0.70%) Oracle Procure-to-Pay
4 1 (0.70%) SAP ERP
4 1 (0.70%) SAP Oil and Gas
Cloud Services
1 3 (2.10%) Microsoft Azure
1 3 (2.10%) Office 365
2 2 (1.40%) Amazon AWS
2 2 (1.40%) PaaS
3 1 (0.70%) Amazon EC2
3 1 (0.70%) Amazon S3
3 1 (0.70%) Amazon SQS
3 1 (0.70%) AWS Lambda
3 1 (0.70%) BrowserStack
3 1 (0.70%) GitHub
3 1 (0.70%) IaaS
3 1 (0.70%) Route 53
Communications & Networking
1 16 (11.19%) Firewall
2 14 (9.79%) SSL
3 13 (9.09%) TCP/IP
4 7 (4.90%) Internet
5 6 (4.20%) LAN
6 5 (3.50%) SMTP
7 4 (2.80%) HTTP
8 3 (2.10%) DNS
8 3 (2.10%) Remote Desktop
8 3 (2.10%) WAN
9 2 (1.40%) IMAP
9 2 (1.40%) SAN
9 2 (1.40%) VoIP
9 2 (1.40%) Wireless
9 2 (1.40%) WLAN
10 1 (0.70%) ATM
10 1 (0.70%) MPLS
10 1 (0.70%) Unified Communications
10 1 (0.70%) VLAN
10 1 (0.70%) Wi-Fi
Database & Business Intelligence
1 49 (34.27%) SQL Server
2 21 (14.69%) PostgreSQL
3 17 (11.89%) Data Warehouse
4 15 (10.49%) SQL Server Reporting Services
5 13 (9.09%) MySQL
5 13 (9.09%) SQL Server 2008
6 10 (6.99%) SQL Server 2012
6 10 (6.99%) Sybase ASE
7 9 (6.29%) Crystal Reports
7 9 (6.29%) MongoDB
8 7 (4.90%) Oracle Database
8 7 (4.90%) Relational Database
8 7 (4.90%) SQL Server 2014
9 6 (4.20%) Big Data
9 6 (4.20%) SQL Server Integration Services
10 5 (3.50%) QlikView
11 4 (2.80%) Qlik Sense
11 4 (2.80%) SQL Server Analysis Services
12 3 (2.10%) NoSQL
13 2 (1.40%) Azure SQL Database
Development Applications
1 13 (9.09%) Visual Studio
2 10 (6.99%) Git (software)
3 6 (4.20%) Selenium
4 5 (3.50%) Team Foundation Server
5 4 (2.80%) Jenkins
5 4 (2.80%) JIRA
6 3 (2.10%) Cucumber
6 3 (2.10%) JMeter
6 3 (2.10%) JUnit
6 3 (2.10%) Subversion
6 3 (2.10%) Talend Open Studio
7 2 (1.40%) Appium
7 2 (1.40%) jMock
7 2 (1.40%) Maven
7 2 (1.40%) Visual Studio Team System
7 2 (1.40%) WebDriver
8 1 (0.70%) Mockito
8 1 (0.70%) Octopus Deploy
8 1 (0.70%) SoapUI
8 1 (0.70%) Vagrant
General
1 29 (20.28%) Finance
2 10 (6.99%) Retail
3 8 (5.59%) Pharmaceutical
4 3 (2.10%) Automotive
4 3 (2.10%) French Language
4 3 (2.10%) Games
4 3 (2.10%) Law
4 3 (2.10%) Manufacturing
4 3 (2.10%) Marketing
5 2 (1.40%) Banking
5 2 (1.40%) German Language
5 2 (1.40%) Telecoms
6 1 (0.70%) Billing
6 1 (0.70%) Electronics
6 1 (0.70%) General Ledger
6 1 (0.70%) Legal
Job Titles
1 61 (42.66%) Developer
2 25 (17.48%) .NET Developer
3 22 (15.38%) Analyst
4 18 (12.59%) SQL Developer
5 14 (9.79%) Java Developer
6 9 (6.29%) Tester
7 8 (5.59%) ASP.NET Developer
7 8 (5.59%) Data Analyst
7 8 (5.59%) DevOps Engineer
8 7 (4.90%) Applications Support
8 7 (4.90%) C# .NET Developer
8 7 (4.90%) C# Developer
8 7 (4.90%) SQL Analyst
9 6 (4.20%) Consultant
9 6 (4.20%) Support Engineer
10 5 (3.50%) Applications Support Analyst
10 5 (3.50%) ASP.NET MVC Developer
10 5 (3.50%) Java Engineer
10 5 (3.50%) Software Engineer
10 5 (3.50%) Support Analyst
Libraries, Frameworks & Software Standards
1 39 (27.27%) .NET
2 38 (26.57%) HTML
3 29 (20.28%) CSS
3 29 (20.28%) Web Services
4 28 (19.58%) ASP.NET
5 22 (15.38%) JSON
6 21 (14.69%) XML
7 20 (13.99%) jQuery
8 18 (12.59%) AngularJS
9 16 (11.19%) HTML5
10 14 (9.79%) ASP.NET MVC
10 14 (9.79%) JSP
10 14 (9.79%) LAPP Stack
10 14 (9.79%) Spring
11 11 (7.69%) CSS3
11 11 (7.69%) J2EE
11 11 (7.69%) RESTful
11 11 (7.69%) Twitter Bootstrap
12 10 (6.99%) .NET Framework
12 10 (6.99%) KnockoutJS
Miscellaneous
1 15 (10.49%) Clustering
2 12 (8.39%) Analytical Skills
2 12 (8.39%) NHS
3 9 (6.29%) Computer Science
4 5 (3.50%) Data Centre
5 4 (2.80%) Greenfield Project
6 3 (2.10%) Mobile App
6 3 (2.10%) Private Cloud
6 3 (2.10%) Replication
7 2 (1.40%) Credit Risk
7 2 (1.40%) EPoS
7 2 (1.40%) FMCG
7 2 (1.40%) Linux Command Line
7 2 (1.40%) Management Information System
7 2 (1.40%) Reference Data
7 2 (1.40%) Tandem
7 2 (1.40%) W3C
8 1 (0.70%) iPad
8 1 (0.70%) PKI
8 1 (0.70%) Wiki
Operating Systems
1 35 (24.48%) Windows
2 30 (20.98%) Linux
3 14 (9.79%) Windows Server
4 9 (6.29%) Unix
5 8 (5.59%) Windows Server 2008
6 5 (3.50%) Windows 7
7 4 (2.80%) Windows 10
8 3 (2.10%) Windows 8
9 2 (1.40%) Android
9 2 (1.40%) Windows Server 2012
10 1 (0.70%) Apple iOS
10 1 (0.70%) HPUX
10 1 (0.70%) Solaris
10 1 (0.70%) VMS
10 1 (0.70%) Windows Server 2003
Processes & Methodologies
1 22 (15.38%) MVC
2 21 (14.69%) Agile Software Development
3 12 (8.39%) ETL
3 12 (8.39%) ITIL
3 12 (8.39%) Migration
4 11 (7.69%) Software Engineering
5 10 (6.99%) Business Intelligence
5 10 (6.99%) DevOps
6 9 (6.29%) Data Migration
7 8 (5.59%) TDD
7 8 (5.59%) Test Automation
8 7 (4.90%) Configuration Management
8 7 (4.90%) Data Modelling
8 7 (4.90%) E-Commerce
8 7 (4.90%) High Availability
8 7 (4.90%) Project Management
9 6 (4.20%) Analytics
9 6 (4.20%) SDLC
10 5 (3.50%) Microservices
10 5 (3.50%) Time Management
Programming Languages
1 43 (30.07%) Java
2 42 (29.37%) JavaScript
3 36 (25.17%) C#
4 27 (18.88%) T-SQL
5 24 (16.78%) Python
6 15 (10.49%) Perl
7 14 (9.79%) Bash Shell
7 14 (9.79%) Ruby
8 12 (8.39%) C
9 8 (5.59%) VB.NET
10 7 (4.90%) PL/SQL
11 6 (4.20%) VB
12 5 (3.50%) VBA
13 4 (2.80%) C++
13 4 (2.80%) PowerShell
14 3 (2.10%) PHP
14 3 (2.10%) Shell Script
14 3 (2.10%) VBScript
15 1 (0.70%) MATLAB
15 1 (0.70%) RPG
Qualifications
1 7 (4.90%) RHCE
2 6 (4.20%) Microsoft Certification
3 5 (3.50%) MCSE
4 4 (2.80%) Security Cleared
5 3 (2.10%) Degree
5 3 (2.10%) SC Cleared
6 2 (1.40%) Computer Science Degree
7 1 (0.70%) CCNA
7 1 (0.70%) CCNP
7 1 (0.70%) Cisco Certification
7 1 (0.70%) ISEB
7 1 (0.70%) ISTQB
7 1 (0.70%) ISTQB Foundation Certification
7 1 (0.70%) ITIL Certification
7 1 (0.70%) PMP
Quality Assurance & Compliance
1 8 (5.59%) QA
2 4 (2.80%) Data Quality
3 3 (2.10%) SLA
4 1 (0.70%) Sarbanes-Oxley
System Software
1 14 (9.79%) Active Directory
2 5 (3.50%) Hyper-V
2 5 (3.50%) VMware Infrastructure
3 4 (2.80%) Virtual Desktop
4 2 (1.40%) Docker
5 1 (0.70%) Terminal Server
5 1 (0.70%) Virtual Servers
5 1 (0.70%) VMware ESXi
Systems Management
1 11 (7.69%) Puppet
2 7 (4.90%) Salt
3 2 (1.40%) HP Quality Center
3 2 (1.40%) Opscode Chef
4 1 (0.70%) AirWatch
4 1 (0.70%) Data Guard
4 1 (0.70%) OpenView
4 1 (0.70%) SCCM
4 1 (0.70%) Symantec Endpoint Protection
4 1 (0.70%) ThinApp
Vendors
1 35 (24.48%) Microsoft
2 16 (11.19%) Oracle
3 10 (6.99%) Sybase
4 8 (5.59%) HP
5 7 (4.90%) Cisco
6 6 (4.20%) Dell
6 6 (4.20%) SAP
6 6 (4.20%) Teradata
6 6 (4.20%) VMware
7 3 (2.10%) Citrix
7 3 (2.10%) Informatica
7 3 (2.10%) Reuters
7 3 (2.10%) Talend
8 2 (1.40%) Forcepoint
8 2 (1.40%) IBM
8 2 (1.40%) Mitel
8 2 (1.40%) Tableau
8 2 (1.40%) Toshiba
8 2 (1.40%) Veeam
9 1 (0.70%) Telerik
Borehamwood, Hertfordshire
Reed Technology
Rate: 25 days holiday + bank holidays
Posted: 4 days ago
Hemel Hempstead, Hertfordshire
Understanding Recruitment
Rate: £450.00 - £500.00 per day
Posted: 18 hours ago
Watford, Hertfordshire
Datalynx
Posted: 4 days ago
St. Albans, Hertfordshire
Blue Octopus Recruitment LLP
Rate: Salary £40,000 - £45,000
Posted: 2 days ago
Borehamwood, Hertfordshire
IT Connections
Rate: £250 to £300 Per Day
Posted: 6 days ago