Period
to 20 November 2017

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 6 months to 20 November 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
6 months to
20 Nov 2017
Same period 2016 Same period 2015
Rank 6 5 4
Rank change year-on-year -1 -1 -2
Contract jobs citing SQL 227 200 252
As % of all contract IT jobs advertised in Hertfordshire 14.54% 14.59% 15.47%
As % of the Programming Languages category 37.83% 39.68% 44.06%
Number of daily rates quoted 106 106 124
Hertfordshire median daily rate £364 £350 £360
Median daily rate % change year-on-year +3.93% -2.78% +7.46%
10th Percentile £253 £196 £239
90th Percentile £550 £488 £521
East of England median daily rate £365 £350 £350
% change year-on-year +4.29% - -4.11%
Number of hourly rates quoted 10 2 12
Hertfordshire median hourly rate £16.81 £28.54 £32.50
Median hourly rate % change year-on-year -41.12% -12.18% +160.00%
10th Percentile £14.85 £14.96 £12.55
90th Percentile £17.92 £41.75 £37.48
East of England median hourly rate £26.00 £40.00 £32.50
% change year-on-year -35.00% +23.08% +4.84%

SQL is in the Programming Languages category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Hertfordshire with a requirement for coding skills.

All Programming Languages
Hertfordshire
Contract vacancies with a requirement for coding skills 600 504 572
As % of all contract IT jobs advertised in Hertfordshire 38.44% 36.76% 35.11%
Number of daily rates quoted 318 291 272
Hertfordshire median daily rate £425 £380 £375
Median daily rate % change year-on-year +11.84% +1.33% +7.14%
10th Percentile £284 £231 £261
90th Percentile £588 £538 £500
East of England median daily rate £400 £375 £375
% change year-on-year +6.67% - +3.45%
Number of hourly rates quoted 22 28 34
Hertfordshire median hourly rate £17.15 £49.75 £34.50
Median hourly rate % change year-on-year -65.52% +44.20% +72.50%
10th Percentile £13.65 £33.37 £15.04
90th Percentile £43.75 £54.35 £43.38
East of England median hourly rate £40.50 £40.00 £37.50
% change year-on-year +1.25% +6.67% +2.74%

SQL
Job Vacancy Trend in Hertfordshire

Job postings citing SQL as a percentage of all IT jobs advertised in Hertfordshire.

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 6 months to 20 November 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
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 6 months to 20 November 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Watford 0 97 £350 +9.38% 10
Welwyn Garden City -1 18 £350 +27.27% 2
Rickmansworth +7 12 £305 -
Hemel Hempstead +1 12 £400 - 8
Stevenage -2 12 £295 -7.45%
Borehamwood +2 5 £275 -38.89% 3
Hatfield -8 5 £400 +64.10% 8
St Albans -4 3 £305 -0.97% 5
Welwyn +5 1 - -
Hoddesdon 0 1 - - 1
Hertford -4 1 £325 - 3
Bishop's Stortford - 1 £500 - 3
SQL
East of England

For the 6 months to 20 November 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 72 (31.72%) SQL Server
2 66 (29.07%) Java
3 64 (28.19%) Finance
4 56 (24.67%) Oracle
5 49 (21.59%) MVC
6 46 (20.26%) Agile Software Development
7 45 (19.82%) T-SQL
8 43 (18.94%) Spring
9 42 (18.50%) JSP
10 40 (17.62%) .NET
10 40 (17.62%) C#
10 40 (17.62%) JSON
11 37 (16.30%) JavaScript
12 36 (15.86%) Microsoft
13 34 (14.98%) HTML
14 33 (14.54%) Spring MVC
15 32 (14.10%) SQL Server Reporting Services
16 31 (13.66%) Web Services
16 31 (13.66%) Data Warehouse
17 30 (13.22%) Business Intelligence
18 29 (12.78%) Data Modelling
18 29 (12.78%) Linux
18 29 (12.78%) Migration
19 28 (12.33%) XML
20 27 (11.89%) ETL
21 26 (11.45%) SQL Server Integration Services
21 26 (11.45%) Analytical Skills
22 24 (10.57%) Data Migration
22 24 (10.57%) Unix
22 24 (10.57%) Windows

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 11 (4.85%) Tomcat
2 9 (3.96%) Apache
3 6 (2.64%) JBoss
3 6 (2.64%) SharePoint
3 6 (2.64%) WebSphere
4 5 (2.20%) MQSeries
5 4 (1.76%) Confluence
5 4 (1.76%) IIS
5 4 (1.76%) WebLogic
5 4 (1.76%) WebSphere Application Server
6 3 (1.32%) Apache Spark
6 3 (1.32%) MS Exchange
7 2 (0.88%) CMS
7 2 (0.88%) Oracle SOA Suite
8 1 (0.44%) Adobe Experience Manager
8 1 (0.44%) IBM HTTP Server
8 1 (0.44%) NServiceBus
8 1 (0.44%) OpenStack
8 1 (0.44%) Oracle Service Bus
8 1 (0.44%) SharePoint 2013
Applications
1 9 (3.96%) Microsoft Excel
2 2 (0.88%) Microsoft Office
3 1 (0.44%) Windchill
Business Applications
1 4 (1.76%) Dynamics CRM
1 4 (1.76%) Oracle EBS
1 4 (1.76%) Oracle Retail
2 3 (1.32%) Magento
2 3 (1.32%) Oracle Procure-to-Pay
2 3 (1.32%) Payment Gateway
2 3 (1.32%) SAP Business One
3 2 (0.88%) Dynamics AX
3 2 (0.88%) iTrent
3 2 (0.88%) Oracle Receivables
4 1 (0.44%) Dynamics NAV
4 1 (0.44%) Infor SunSystems
4 1 (0.44%) Maximo
4 1 (0.44%) Oracle Assets
4 1 (0.44%) Oracle Cash Management
4 1 (0.44%) Oracle Payables
4 1 (0.44%) Orchard Housing
4 1 (0.44%) Postilion
4 1 (0.44%) Unit4 Business World
Cloud Services
1 7 (3.08%) Microsoft Azure
2 6 (2.64%) Amazon AWS
3 2 (0.88%) Azure Data Factory
3 2 (0.88%) Office 365
4 1 (0.44%) Amazon EC2
4 1 (0.44%) Dynamics 365
4 1 (0.44%) IaaS
4 1 (0.44%) IBM Cloud
4 1 (0.44%) PaaS
4 1 (0.44%) SaaS
Communications & Networking
1 13 (5.73%) HTTP
2 11 (4.85%) Firewall
2 11 (4.85%) Internet
3 9 (3.96%) LAN
3 9 (3.96%) SMTP
4 7 (3.08%) SSL
4 7 (3.08%) VoIP
5 4 (1.76%) SAN
6 2 (0.88%) DNS
6 2 (0.88%) SMS
7 1 (0.44%) 4G
7 1 (0.44%) ATM
7 1 (0.44%) DHCP
7 1 (0.44%) IMAP
7 1 (0.44%) LDAP
7 1 (0.44%) MPLS
7 1 (0.44%) TCP/IP
7 1 (0.44%) WAN
7 1 (0.44%) Wi-Fi
Database & Business Intelligence
1 72 (31.72%) SQL Server
2 32 (14.10%) SQL Server Reporting Services
3 31 (13.66%) Data Warehouse
4 26 (11.45%) SQL Server Integration Services
5 23 (10.13%) Oracle Database
6 15 (6.61%) SQL Server 2008
7 12 (5.29%) DB2
7 12 (5.29%) Oracle Database 11g
7 12 (5.29%) Oracle Reports
8 11 (4.85%) Power BI
8 11 (4.85%) SQL Server Analysis Services
9 10 (4.41%) Qlik Sense
9 10 (4.41%) Relational Database
9 10 (4.41%) SQL Server 2012
9 10 (4.41%) Sybase ASE
10 8 (3.52%) MySQL
10 8 (3.52%) NoSQL
10 8 (3.52%) SQL Server 2016
11 7 (3.08%) DbVisualizer
11 7 (3.08%) RDBMS
Development Applications
1 18 (7.93%) Git (software)
1 18 (7.93%) Visual Studio
2 15 (6.61%) Talend Open Studio
3 10 (4.41%) Jenkins
3 10 (4.41%) Team Foundation Server
4 8 (3.52%) Subversion
5 7 (3.08%) JIRA
5 7 (3.08%) JUnit
5 7 (3.08%) Maven
6 6 (2.64%) Eclipse
6 6 (2.64%) JMeter
6 6 (2.64%) Mockito
6 6 (2.64%) Selenium
6 6 (2.64%) Toad
6 6 (2.64%) XMLSpy
7 5 (2.20%) LoadRunner
7 5 (2.20%) Log4j
7 5 (2.20%) The Grinder
8 4 (1.76%) Cucumber
8 4 (1.76%) WebDriver
General
1 64 (28.19%) Finance
2 15 (6.61%) Games
2 15 (6.61%) Retail
3 11 (4.85%) French Language
4 6 (2.64%) Pharmaceutical
5 4 (1.76%) Publishing
6 2 (0.88%) Advertising
6 2 (0.88%) Banking
6 2 (0.88%) Legal
6 2 (0.88%) Telecoms
7 1 (0.44%) Billing
7 1 (0.44%) Financial Institution
7 1 (0.44%) General Ledger
7 1 (0.44%) Local Government
7 1 (0.44%) Manufacturing
7 1 (0.44%) Marketing
Job Titles
1 116 (51.10%) Developer
2 54 (23.79%) SQL Developer
3 38 (16.74%) Java Developer
4 30 (13.22%) JSP Developer
5 28 (12.33%) Analyst
6 23 (10.13%) Consultant
7 15 (6.61%) Senior Developer
8 14 (6.17%) Data Analyst
9 12 (5.29%) DBA
10 11 (4.85%) .NET Developer
11 8 (3.52%) Business Intelligence Developer
11 8 (3.52%) SQL DBA
11 8 (3.52%) SQL Server Consultant
11 8 (3.52%) Support Engineer
12 7 (3.08%) Lead Developer
13 6 (2.64%) C# Developer
13 6 (2.64%) Oracle DBA
13 6 (2.64%) Oracle Developer
13 6 (2.64%) SSIS Developer
13 6 (2.64%) Tester
Libraries, Frameworks & Software Standards
1 43 (18.94%) Spring
2 42 (18.50%) JSP
3 40 (17.62%) .NET
3 40 (17.62%) JSON
4 34 (14.98%) HTML
5 33 (14.54%) Spring MVC
6 31 (13.66%) Web Services
7 28 (12.33%) XML
8 23 (10.13%) CSS
9 17 (7.49%) ASP.NET
9 17 (7.49%) REST
10 15 (6.61%) AngularJS
11 14 (6.17%) HTML5
12 13 (5.73%) jQuery
13 11 (4.85%) WCF
14 10 (4.41%) Hibernate
15 9 (3.96%) .NET Framework
15 9 (3.96%) RESTful
16 8 (3.52%) ASP.NET MVC
16 8 (3.52%) J2EE
Miscellaneous
1 26 (11.45%) Analytical Skills
2 11 (4.85%) Reference Data
3 7 (3.08%) Client/Server
3 7 (3.08%) Computer Science
4 4 (1.76%) Data Centre
4 4 (1.76%) Greenfield Project
4 4 (1.76%) Management Information System
5 3 (1.32%) Mobile App
5 3 (1.32%) NHS
6 2 (0.88%) Fintech
6 2 (0.88%) User Experience
6 2 (0.88%) W3C
7 1 (0.44%) Algorithms
7 1 (0.44%) Blog
7 1 (0.44%) Clustering
7 1 (0.44%) Enterprise Software
7 1 (0.44%) FMCG
7 1 (0.44%) Linux Command Line
7 1 (0.44%) Security Operations Centre
7 1 (0.44%) Virtual Team
Operating Systems
1 29 (12.78%) Linux
2 24 (10.57%) Unix
2 24 (10.57%) Windows
3 15 (6.61%) Windows Server
4 6 (2.64%) Solaris
5 5 (2.20%) AIX
5 5 (2.20%) HPUX
5 5 (2.20%) Windows 10
5 5 (2.20%) Windows 7
6 2 (0.88%) Android
6 2 (0.88%) Apple iOS
6 2 (0.88%) Windows Server 2012
7 1 (0.44%) Red Hat Enterprise Linux
7 1 (0.44%) Windows Server 2008
Processes & Methodologies
1 49 (21.59%) MVC
2 46 (20.26%) Agile Software Development
3 30 (13.22%) Business Intelligence
4 29 (12.78%) Data Modelling
4 29 (12.78%) Migration
5 27 (11.89%) ETL
6 24 (10.57%) Data Migration
7 19 (8.37%) E-Commerce
8 14 (6.17%) ITIL
9 12 (5.29%) Continuous Integration
9 12 (5.29%) Data Analysis
10 11 (4.85%) Analytics
10 11 (4.85%) Data Mapping
10 11 (4.85%) Performance Tuning
11 10 (4.41%) Data Analytics
11 10 (4.41%) Test Automation
12 9 (3.96%) CRM
12 9 (3.96%) Database Tuning
12 9 (3.96%) Statistics
12 9 (3.96%) TDD
Programming Languages
1 66 (29.07%) Java
2 45 (19.82%) T-SQL
3 40 (17.62%) C#
4 37 (16.30%) JavaScript
5 23 (10.13%) PL/SQL
6 16 (7.05%) Python
7 14 (6.17%) Perl
8 9 (3.96%) Shell Script
9 8 (3.52%) PHP
9 8 (3.52%) PowerShell
10 7 (3.08%) C++
10 7 (3.08%) VBA
11 6 (2.64%) VB.NET
12 5 (2.20%) AWK
12 5 (2.20%) C
12 5 (2.20%) R
13 3 (1.32%) Ruby
14 2 (0.88%) Bash Shell
14 2 (0.88%) MATLAB
14 2 (0.88%) VBScript
Qualifications
1 16 (7.05%) Security Cleared
2 14 (6.17%) SC Cleared
3 10 (4.41%) Degree
4 5 (2.20%) Computer Science Degree
5 2 (0.88%) ISEB
5 2 (0.88%) ISTQB Foundation Certification
5 2 (0.88%) ITIL Certification
5 2 (0.88%) MCSE
5 2 (0.88%) Microsoft Certification
6 1 (0.44%) BPSS Clearance
6 1 (0.44%) ISTQB
6 1 (0.44%) Master's Degree
6 1 (0.44%) MCSA
6 1 (0.44%) Oracle Certification
Quality Assurance & Compliance
1 23 (10.13%) Data Quality
2 7 (3.08%) QA
3 6 (2.64%) SLA
4 2 (0.88%) Sarbanes-Oxley
5 1 (0.44%) PMO
System Software
1 14 (6.17%) VMware Infrastructure
2 11 (4.85%) Virtual Desktop
3 10 (4.41%) Active Directory
4 3 (1.32%) VMware ESXi
5 2 (0.88%) Hyper-V
5 2 (0.88%) Oracle RAC
5 2 (0.88%) Virtual Servers
5 2 (0.88%) vSphere
6 1 (0.44%) Docker
6 1 (0.44%) XenApp
6 1 (0.44%) XenServer
Systems Management
1 5 (2.20%) Grafana
2 3 (1.32%) Microsoft Clustering
2 3 (1.32%) Norton AntiVirus
2 3 (1.32%) Symantec Endpoint Protection
2 3 (1.32%) WSUS
3 2 (0.88%) HP Quality Center
3 2 (0.88%) Puppet
4 1 (0.44%) Ansible
4 1 (0.44%) BMC PATROL
4 1 (0.44%) Data Guard
4 1 (0.44%) Kubernetes
4 1 (0.44%) Opscode Chef
4 1 (0.44%) ThinApp
Vendors
1 56 (24.67%) Oracle
2 36 (15.86%) Microsoft
3 16 (7.05%) VMware
4 15 (6.61%) Talend
5 13 (5.73%) IBM
6 12 (5.29%) HP
7 11 (4.85%) Dell
8 10 (4.41%) SAP
8 10 (4.41%) Sybase
9 9 (3.96%) Cisco
10 7 (3.08%) Mitel
11 6 (2.64%) Altova
11 6 (2.64%) EMC
11 6 (2.64%) Symantec
11 6 (2.64%) Tableau
11 6 (2.64%) Veeam
12 5 (2.20%) AppDynamics
12 5 (2.20%) Dynatrace
12 5 (2.20%) New Relic
12 5 (2.20%) Teradata