Period
to 21 September 2019

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 21 September 2019 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
21 Sep 2019
Same period 2018 Same period 2017
Rank 10 6 4
Rank change year-on-year -4 -2 -1
Contract jobs citing SQL 133 207 209
As % of all contract IT jobs advertised in Hertfordshire 9.67% 12.65% 14.84%
As % of the Programming Languages category 26.23% 38.33% 38.85%
Number of daily rates quoted 81 139 108
Hertfordshire median daily rate £375 £400 £350
Median daily rate % change year-on-year -6.25% +14.29% -4.11%
10th Percentile £213 £300 £246
90th Percentile £488 £538 £504
East of England median daily rate £425 £406 £371
% change year-on-year +4.62% +9.43% +6.07%
Number of hourly rates quoted 5 5 10
Hertfordshire median hourly rate £45.00 £18.64 £16.81
Median hourly rate % change year-on-year +141.48% +10.89% +39.11%
10th Percentile £39.45 £10.01 £14.85
90th Percentile £61.25 £33.50 £20.42
East of England median hourly rate £45.00 £20.00 £26.22
% change year-on-year +125.00% -23.72% -26.14%

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 507 540 538
As % of all contract IT jobs advertised in Hertfordshire 36.87% 33.01% 38.21%
Number of daily rates quoted 248 342 289
Hertfordshire median daily rate £425 £400 £400
Median daily rate % change year-on-year +6.25% - +6.67%
10th Percentile £300 £250 £278
90th Percentile £550 £556 £579
East of England median daily rate £438 £425 £400
% change year-on-year +2.94% +6.25% +6.67%
Number of hourly rates quoted 10 15 21
Hertfordshire median hourly rate £45.00 £46.50 £20.76
Median hourly rate % change year-on-year -3.23% +124.04% -58.28%
10th Percentile £39.68 £12.98 £15.00
90th Percentile £53.38 £54.75 £46.50
East of England median hourly rate £47.00 £43.50 £40.00
% change year-on-year +8.05% +8.75% +0.63%

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 21 September 2019.

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 6 months to 21 September 2019.

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 6 months to 21 September 2019. 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 -5 52 £381 -4.69% 18
Stevenage -16 10 £270 -28.00% 4
Hatfield -1 7 £325 -18.75% 5
Borehamwood -2 7 £200 -58.44% 3
Hemel Hempstead -14 5 £390 +4.00% 13
Royston - 5 £450 - 5
Welwyn Garden City +7 3 £440 +1.73% 4
St Albans 0 3 £500 +60.00% 10
Rickmansworth -7 3 £278 -26.97%
Letchworth - 3 - - 7
Hitchin +4 1 £395 -21.00% 7
Broxbourne - 1 - -
Bishop's Stortford - 1 £340 - 3
SQL
East of England

For the 6 months to 21 September 2019, IT contractor jobs citing SQL also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the Hertfordshire region with a requirement for SQL.

1 36 (27.07%) Oracle
2 30 (22.56%) Business Intelligence
3 27 (20.30%) Microsoft
4 25 (18.80%) Agile Software Development
5 22 (16.54%) SQL Server
6 20 (15.04%) Unix
6 20 (15.04%) Azure
6 20 (15.04%) Power BI
6 20 (15.04%) Power Platform
7 19 (14.29%) Analytics
7 19 (14.29%) Analytical Skills
7 19 (14.29%) Data Warehouse
7 19 (14.29%) .NET
7 19 (14.29%) Active Directory
8 18 (13.53%) E-Commerce
8 18 (13.53%) SQL Server Integration Services
9 17 (12.78%) ETL
9 17 (12.78%) Windows
9 17 (12.78%) Web Services
9 17 (12.78%) AWS
10 16 (12.03%) PL/SQL
10 16 (12.03%) C#
10 16 (12.03%) IBM
10 16 (12.03%) Retail
11 15 (11.28%) Finance
11 15 (11.28%) HTML
11 15 (11.28%) Java
12 14 (10.53%) JavaScript
12 14 (10.53%) XML
12 14 (10.53%) LDAP

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 8 (6.02%) WebSphere
2 6 (4.51%) SharePoint
3 5 (3.76%) IBM Domino
4 4 (3.01%) Confluence
4 4 (3.01%) IBM Notes
5 3 (2.26%) MQSeries
5 3 (2.26%) OpenStack
6 2 (1.50%) Oracle SOA Suite
6 2 (1.50%) WebLogic
7 1 (0.75%) Apache
7 1 (0.75%) Elasticsearch
7 1 (0.75%) Jadu
7 1 (0.75%) SAS
7 1 (0.75%) Tomcat
Applications
1 9 (6.77%) Microsoft Excel
1 9 (6.77%) Microsoft Office
2 3 (2.26%) Microsoft Project
2 3 (2.26%) MS Visio
3 2 (1.50%) Microsoft PowerPoint
3 2 (1.50%) Photoshop
Business Applications
1 4 (3.01%) Magento
2 1 (0.75%) Infor M3
2 1 (0.75%) Maximo
2 1 (0.75%) Oracle ERP
2 1 (0.75%) SAP Business One
Cloud Services
1 20 (15.04%) Azure
1 20 (15.04%) Power Platform
2 17 (12.78%) AWS
3 5 (3.76%) GCP
4 4 (3.01%) PaaS
5 3 (2.26%) Amazon CloudWatch
5 3 (2.26%) Datadog
5 3 (2.26%) IaaS
6 2 (1.50%) Amazon S3
6 2 (1.50%) Data Lake Analytics
6 2 (1.50%) Google App Engine
6 2 (1.50%) npm
6 2 (1.50%) Office 365
7 1 (0.75%) AdWords
7 1 (0.75%) Google Analytics
7 1 (0.75%) SuccessFactors
Communications & Networking
1 5 (3.76%) TCP/IP
2 4 (3.01%) LAN
2 4 (3.01%) WAN
2 4 (3.01%) Wireless
3 3 (2.26%) SSH
4 2 (1.50%) DNS
4 2 (1.50%) NAS
4 2 (1.50%) SAN
5 1 (0.75%) FTP
5 1 (0.75%) VPN
Database & Business Intelligence
1 22 (16.54%) SQL Server
2 20 (15.04%) Power BI
3 19 (14.29%) Data Warehouse
4 18 (13.53%) SQL Server Integration Services
5 9 (6.77%) SQL Server Reporting Services
6 8 (6.02%) DB2
7 7 (5.26%) Amazon Redshift
7 7 (5.26%) DbVisualizer
7 7 (5.26%) MySQL
8 6 (4.51%) OLAP
8 6 (4.51%) Oracle Database
9 5 (3.76%) SQL Server Analysis Services
10 4 (3.01%) Amazon RDS
10 4 (3.01%) Snowflake Schema
11 3 (2.26%) Amazon Aurora
11 3 (2.26%) Amazon DynamoDB
11 3 (2.26%) Data Lake
11 3 (2.26%) PostgreSQL
11 3 (2.26%) QlikView
11 3 (2.26%) Redis
Development Applications
1 9 (6.77%) Git (software)
1 9 (6.77%) Jenkins
1 9 (6.77%) JIRA
1 9 (6.77%) Selenium
2 6 (4.51%) Oracle APEX
2 6 (4.51%) SoapUI
3 5 (3.76%) Cucumber
4 4 (3.01%) Visual Studio
4 4 (3.01%) WebDriver
5 3 (2.26%) Maven
6 2 (1.50%) Ant
6 2 (1.50%) AppScan
6 2 (1.50%) Bower
6 2 (1.50%) Burp Suite
6 2 (1.50%) Visual Studio Team System
6 2 (1.50%) webpack
7 1 (0.75%) Protractor
7 1 (0.75%) SQL Server Management Studio (SSMS)
7 1 (0.75%) Toad
7 1 (0.75%) XMLSpy
General
1 16 (12.03%) Retail
2 15 (11.28%) Finance
3 12 (9.02%) Law
4 7 (5.26%) Games
5 4 (3.01%) Banking
6 3 (2.26%) Investment Banking
6 3 (2.26%) Marketing
7 2 (1.50%) Electronics
7 2 (1.50%) Legal
7 2 (1.50%) Pharmaceutical
7 2 (1.50%) Public Sector
8 1 (0.75%) Manufacturing
8 1 (0.75%) Telecoms
Job Titles
1 60 (45.11%) Developer
2 14 (10.53%) Consultant
2 14 (10.53%) Oracle Developer
3 11 (8.27%) Analyst
4 10 (7.52%) IAM Consultant
4 10 (7.52%) Tester
5 9 (6.77%) Identity and Access Management Consultant
5 9 (6.77%) Identity Management Consultant
6 8 (6.02%) Business Intelligence Developer
6 8 (6.02%) Data Analyst
7 7 (5.26%) C# Developer
7 7 (5.26%) SQL Developer
8 6 (4.51%) .NET Developer
8 6 (4.51%) Support Engineer
9 5 (3.76%) DBA
9 5 (3.76%) Infrastructure Engineer
10 4 (3.01%) Automation Tester
10 4 (3.01%) Java Automation Tester
10 4 (3.01%) Java Developer
10 4 (3.01%) MySQL DBA
Libraries, Frameworks & Software Standards
1 19 (14.29%) .NET
2 17 (12.78%) Web Services
3 15 (11.28%) HTML
4 14 (10.53%) LDAP
4 14 (10.53%) XML
5 11 (8.27%) OpenID
5 11 (8.27%) SAML
6 10 (7.52%) ASP.NET
6 10 (7.52%) OAuth
6 10 (7.52%) RESTful
7 9 (6.77%) CSS
8 8 (6.02%) AngularJS
9 6 (4.51%) HTML5
10 5 (3.76%) .NET Framework
10 5 (3.76%) CSS3
10 5 (3.76%) Gherkin
10 5 (3.76%) Twitter Bootstrap
11 4 (3.01%) ASP.NET Web API
11 4 (3.01%) Node.js
11 4 (3.01%) Spring
Miscellaneous
1 19 (14.29%) Analytical Skills
2 12 (9.02%) Enterprise Software
2 12 (9.02%) Linux Command Line
3 6 (4.51%) Data Centre
3 6 (4.51%) NHS
4 5 (3.76%) Data Structures
5 4 (3.01%) Management Information System
6 3 (2.26%) e-Health
6 3 (2.26%) EMC VNX
6 3 (2.26%) Enterprise Storage
6 3 (2.26%) EPoS
6 3 (2.26%) LIMS
6 3 (2.26%) PACS
6 3 (2.26%) Replication
6 3 (2.26%) User Experience
7 2 (1.50%) EMC Centera
7 2 (1.50%) EMC VMAX
7 2 (1.50%) EMC VNXe
7 2 (1.50%) Public Cloud
8 1 (0.75%) Clustering
Operating Systems
1 20 (15.04%) Unix
2 17 (12.78%) Windows
3 12 (9.02%) Linux
4 5 (3.76%) AIX
5 4 (3.01%) Apple iOS
5 4 (3.01%) Windows Server
6 2 (1.50%) Android
6 2 (1.50%) Mac OS
6 2 (1.50%) Red Hat Enterprise Linux
6 2 (1.50%) Solaris
6 2 (1.50%) Windows 2000
6 2 (1.50%) Windows 7
6 2 (1.50%) Windows Server 2003
6 2 (1.50%) Windows Server 2008
7 1 (0.75%) Data ONTAP
Processes & Methodologies
1 30 (22.56%) Business Intelligence
2 25 (18.80%) Agile Software Development
3 19 (14.29%) Analytics
4 18 (13.53%) E-Commerce
5 17 (12.78%) ETL
6 14 (10.53%) Problem-Solving
7 13 (9.77%) Data Modelling
8 12 (9.02%) Test Automation
9 11 (8.27%) Identity Access Management
9 11 (8.27%) Visualisation
10 9 (6.77%) Cybersecurity
10 9 (6.77%) Data Security
10 9 (6.77%) Scrum
10 9 (6.77%) Test Scripting
10 9 (6.77%) Threat Management
11 8 (6.02%) Migration
11 8 (6.02%) MVC
11 8 (6.02%) Performance Tuning
11 8 (6.02%) System Testing
12 7 (5.26%) DevOps
Programming Languages
1 16 (12.03%) C#
1 16 (12.03%) PL/SQL
2 15 (11.28%) Java
3 14 (10.53%) JavaScript
4 12 (9.02%) Python
5 10 (7.52%) Shell Script
6 9 (6.77%) T-SQL
7 7 (5.26%) PowerShell
7 7 (5.26%) VB
8 6 (4.51%) PHP
9 4 (3.01%) Bash Shell
9 4 (3.01%) Perl
10 3 (2.26%) RPG
10 3 (2.26%) RPG/400
11 2 (1.50%) Korn
11 2 (1.50%) Objective-C
11 2 (1.50%) R
11 2 (1.50%) TypeScript
11 2 (1.50%) VB.NET
11 2 (1.50%) VBA
Qualifications
1 10 (7.52%) Degree
2 4 (3.01%) Computer Science Degree
3 2 (1.50%) ISTQB
3 2 (1.50%) Microsoft Certification
3 2 (1.50%) SANS
3 2 (1.50%) Security Cleared
4 1 (0.75%) Master's Degree
4 1 (0.75%) MCSE
4 1 (0.75%) MySQL Certification
4 1 (0.75%) SC Cleared
4 1 (0.75%) VERITAS Certified Professional (VCP)
4 1 (0.75%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 11 (8.27%) GDPR
2 6 (4.51%) Data Quality
3 4 (3.01%) QA
4 3 (2.26%) HL7
5 2 (1.50%) SLA
System Software
1 19 (14.29%) Active Directory
2 13 (9.77%) VMware Infrastructure
3 6 (4.51%) Microsoft App-V
3 6 (4.51%) vSphere
4 3 (2.26%) Ceph
5 2 (1.50%) Docker
5 2 (1.50%) NFS
5 2 (1.50%) SRDF
5 2 (1.50%) Veritas Volume Manager
5 2 (1.50%) VMware ESXi
6 1 (0.75%) Firmware
6 1 (0.75%) Hyper-V
Systems Management
1 13 (9.77%) Single Sign-On
2 7 (5.26%) NetBackup
3 6 (4.51%) SCCM
4 5 (3.76%) Kubernetes
5 3 (2.26%) Grafana
5 3 (2.26%) Prometheus
5 3 (2.26%) Tivoli Storage Manager
6 2 (1.50%) EMC TimeFinder
6 2 (1.50%) NetApp OnCommand
6 2 (1.50%) Terraform
6 2 (1.50%) Tivoli
6 2 (1.50%) WebInspect
7 1 (0.75%) Ansible
7 1 (0.75%) Galera Cluster
7 1 (0.75%) HP ALM
7 1 (0.75%) HP Quality Center
7 1 (0.75%) IBM BigFix
7 1 (0.75%) Opscode Chef
7 1 (0.75%) Puppet
7 1 (0.75%) vRealize
Vendors
1 36 (27.07%) Oracle
2 27 (20.30%) Microsoft
3 16 (12.03%) IBM
4 13 (9.77%) VMware
5 11 (8.27%) NetApp
5 11 (8.27%) Tableau
6 9 (6.77%) Veritas
7 8 (6.02%) SAP
8 7 (5.26%) hybris
8 7 (5.26%) Lotus
9 6 (4.51%) Cognos
9 6 (4.51%) Google
10 5 (3.76%) Cisco
10 5 (3.76%) Citrix
10 5 (3.76%) HP
10 5 (3.76%) Teradata
11 4 (3.01%) Aruba
11 4 (3.01%) Percona
11 4 (3.01%) ServiceNow
12 3 (2.26%) F5