The following table provides summary statistics for contract job vacancies advertised in Hertfordshire with a requirement for T-SQL skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited T-SQL over the 3 months to 29 April 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.

Transact-SQL
East of England / Hertfordshire
3 months to
29 Apr 2017
Same period 2016 Same period 2015
Rank 41 53 55
Rank change year-on-year +12 +2  
Contract jobs citing T-SQL 13 8 10
As % of all contract IT jobs advertised in Hertfordshire 2.20% 1.07% 1.40%
As % of the Programming Languages category 6.05% 4.19% 4.20%
Number of daily rates quoted 9 5 9
Median daily rate £350 £388 £425
Median daily rate % change year-on-year -9.67% -8.82%  
90% offered a daily rate of more than £249 £328 £335
10% offered a daily rate of more than £352 £395 £510
UK excluding London median daily rate £350 £375 £325
% change year-on-year -6.66% +15.38%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £37.50 £24.30 £21.00
% change year-on-year +54.35% +15.69%  

T-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 215 191 238
As % of all contract IT job vacancies advertised in Hertfordshire 36.44% 25.43% 33.43%
Number of daily rates quoted 140 109 100
Median daily rate £400 £400 £350
Median daily rate % change year-on-year - +14.28%  
90% offered a daily rate of more than £250 £300 £275
10% offered a daily rate of more than £600 £515 £500
UK excluding London median daily rate £390 £375 £350
% change year-on-year +4.00% +7.14%  
Number of hourly rates quoted 15 13 10
Median hourly rate £50.00 £43.70 £32.50
Median hourly rate % change year-on-year +14.41% +34.46%  
UK excluding London median hourly rate £42.50 £38.00 £36.00
% change year-on-year +11.84% +5.55%  

T-SQL
Job Vacancy Trend in Hertfordshire

The job posting trend of jobs advertised in Hertfordshire citing T-SQL as a proportion of all contract or permanent IT jobs with a match in the Programming Languages category.

Job vacancy trend for T-SQL in Hertfordshire

T-SQL
Contractor Daily Rate Trend in Hertfordshire

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

Contractor daily rate trend for T-SQL in Hertfordshire

T-SQL
Contractor Daily Rate Histogram in Hertfordshire

The daily rate distribution of IT jobs citing T-SQL in Hertfordshire over the 3 months to 29 April 2017.

Contractor daily rate histogram for T-SQL in Hertfordshire

T-SQL
Contractor Hourly Rate Trend in Hertfordshire

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

Contractor hourly rate trend for T-SQL in Hertfordshire

T-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 T-SQL within the Hertfordshire region over the 3 months to 29 April 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 0 8 £350 +1.81%
Hemel Hempstead +13 2 £355 -9.84%
Hatfield - 1 £303 - 4
T-SQL
East of England

For the 6 months to 29 April 2017, IT contractor jobs citing T-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 T-SQL.

1 15 (93.75%) SQL
2 12 (75.00%) Web Services
3 11 (68.75%) AngularJS
4 10 (62.50%) JavaScript
5 9 (56.25%) .NET
6 8 (50.00%) Java
6 8 (50.00%) SQL Server
6 8 (50.00%) Sybase
6 8 (50.00%) Crystal Reports
6 8 (50.00%) JSP
6 8 (50.00%) Windows
6 8 (50.00%) Linux
6 8 (50.00%) Hibernate
6 8 (50.00%) Spring
6 8 (50.00%) Sybase ASE
7 7 (43.75%) Finance
7 7 (43.75%) C#
7 7 (43.75%) MongoDB
8 6 (37.50%) HTML
8 6 (37.50%) C
8 6 (37.50%) J2EE
8 6 (37.50%) PostgreSQL
9 5 (31.25%) ASP.NET
9 5 (31.25%) CSS
9 5 (31.25%) Microsoft
10 4 (25.00%) Visual Studio
10 4 (25.00%) MVC
10 4 (25.00%) SQL Server 2008
10 4 (25.00%) Twitter Bootstrap
11 3 (18.75%) Elasticsearch

T-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 3 (18.75%) Elasticsearch
2 2 (12.50%) IIS
3 1 (6.25%) CMS
Cloud Services
1 1 (6.25%) Amazon AWS
1 1 (6.25%) Amazon EC2
1 1 (6.25%) Amazon S3
1 1 (6.25%) Amazon SQS
1 1 (6.25%) AWS Lambda
1 1 (6.25%) GitHub
1 1 (6.25%) Route 53
Database & Business Intelligence
1 8 (50.00%) Crystal Reports
1 8 (50.00%) SQL Server
1 8 (50.00%) Sybase ASE
2 7 (43.75%) MongoDB
3 6 (37.50%) PostgreSQL
4 4 (25.00%) SQL Server 2008
5 2 (12.50%) SQL Server 2000
5 2 (12.50%) SQL Server Reporting Services
6 1 (6.25%) Amazon DynamoDB
6 1 (6.25%) Amazon RDS
6 1 (6.25%) Data Warehouse
6 1 (6.25%) DTS
6 1 (6.25%) Informix
6 1 (6.25%) QlikView
6 1 (6.25%) SQL Server 2012
6 1 (6.25%) SQL Server 2014
6 1 (6.25%) SQL Server Analysis Services
6 1 (6.25%) SQL Server Integration Services
Development Applications
1 4 (25.00%) Visual Studio
2 2 (12.50%) Jenkins
3 1 (6.25%) JMeter
3 1 (6.25%) jMock
3 1 (6.25%) JUnit
3 1 (6.25%) Octopus Deploy
3 1 (6.25%) Selenium
3 1 (6.25%) Subversion
3 1 (6.25%) Team Foundation Server
General
1 7 (43.75%) Finance
2 1 (6.25%) Legal
2 1 (6.25%) Telecoms
Job Titles
1 15 (93.75%) Developer
2 8 (50.00%) Java Developer
3 5 (31.25%) .NET Developer
4 3 (18.75%) ASP.NET Developer
4 3 (18.75%) SQL Developer
5 2 (12.50%) C# .NET Developer
5 2 (12.50%) C# Developer
5 2 (12.50%) Java Engineer
5 2 (12.50%) VB.NET Developer
5 2 (12.50%) VB.NET/ASP.NET Developer
6 1 (6.25%) Angular Developer
6 1 (6.25%) ASP.NET MVC Developer
6 1 (6.25%) C# ASP.NET Developer
6 1 (6.25%) SQL Server Developer
6 1 (6.25%) SSRS Developer
6 1 (6.25%) Technical Design Leader
6 1 (6.25%) Technical Leader
6 1 (6.25%) T-SQL Developer
Libraries, Frameworks & Software Standards
1 12 (75.00%) Web Services
2 11 (68.75%) AngularJS
3 9 (56.25%) .NET
4 8 (50.00%) Hibernate
4 8 (50.00%) JSP
4 8 (50.00%) Spring
5 6 (37.50%) HTML
5 6 (37.50%) J2EE
6 5 (31.25%) ASP.NET
6 5 (31.25%) CSS
7 4 (25.00%) Twitter Bootstrap
8 3 (18.75%) HTML5
8 3 (18.75%) jQuery
8 3 (18.75%) REST
8 3 (18.75%) Spring Boot
9 2 (12.50%) .NET Framework
9 2 (12.50%) Classic ASP
9 2 (12.50%) JSON
9 2 (12.50%) RESTful
9 2 (12.50%) Spring MVC
Miscellaneous
1 2 (12.50%) Analytical Skills
2 1 (6.25%) Greenfield Project
2 1 (6.25%) IVR
2 1 (6.25%) Tandem
Operating Systems
1 8 (50.00%) Linux
1 8 (50.00%) Windows
2 1 (6.25%) Red Hat Enterprise Linux
Processes & Methodologies
1 4 (25.00%) MVC
2 3 (18.75%) Microservices
3 1 (6.25%) Agile Software Development
3 1 (6.25%) BDD
3 1 (6.25%) Continuous Integration
3 1 (6.25%) Data Integration
3 1 (6.25%) Don't repeat yourself (DRY)
3 1 (6.25%) ETL
3 1 (6.25%) Mentoring
3 1 (6.25%) OO
3 1 (6.25%) OOD
3 1 (6.25%) Prototyping
3 1 (6.25%) Requirements Analysis
3 1 (6.25%) SOLID
3 1 (6.25%) TDD
3 1 (6.25%) Web Application Development
3 1 (6.25%) Wireframes
3 1 (6.25%) YAGNI
Programming Languages
1 15 (93.75%) SQL
2 10 (62.50%) JavaScript
3 8 (50.00%) Java
4 7 (43.75%) C#
5 6 (37.50%) C
6 2 (12.50%) VB.NET
7 1 (6.25%) Python
Vendors
1 8 (50.00%) Sybase
2 5 (31.25%) Microsoft
3 1 (6.25%) Avaya
3 1 (6.25%) Mitel
3 1 (6.25%) Red Hat