Period
to 18 October 2018

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 6 months to 18 October 2018 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
6 months to
18 Oct 2018
Same period 2017 Same period 2016
Rank 45 52 60
Rank change year-on-year +7 +8 +18
Contract jobs citing T-SQL 64 48 34
As % of all contract IT jobs advertised in Hertfordshire 4.01% 3.20% 2.40%
As % of the Programming Languages category 11.81% 8.33% 6.65%
Number of daily rates quoted 50 31 17
Hertfordshire median daily rate £400 £400 £350
Median daily rate % change year-on-year - +14.29% -
10th Percentile £352 £313 £213
90th Percentile £550 £600 £455
East of England median daily rate £409 £369 £340
% change year-on-year +10.85% +8.46% -2.86%
Number of hourly rates quoted 0 0 0
Hertfordshire median hourly rate - - -
East of England median hourly rate £23.00 £26.00 -
% change year-on-year -11.54% - -

T-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 542 576 511
As % of all contract IT jobs advertised in Hertfordshire 33.96% 38.37% 36.11%
Number of daily rates quoted 358 315 279
Hertfordshire median daily rate £400 £410 £375
Median daily rate % change year-on-year -2.44% +9.33% +3.45%
10th Percentile £257 £278 £230
90th Percentile £556 £583 £528
East of England median daily rate £425 £400 £375
% change year-on-year +6.25% +6.67% -
Number of hourly rates quoted 17 18 29
Hertfordshire median hourly rate £46.50 £16.81 £49.50
Median hourly rate % change year-on-year +176.70% -66.05% +48.87%
10th Percentile £14.55 £14.55 £20.00
90th Percentile £54.00 £42.83 £54.15
East of England median hourly rate £45.00 £40.00 £39.75
% change year-on-year +12.50% +0.63% +6.00%

T-SQL
Job Vacancy Trend in Hertfordshire

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

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 6 months to 18 October 2018.

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 6 months to 18 October 2018. 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
Rickmansworth - 21 £380 - 1
Watford +3 18 £550 +10.00% 5
Borehamwood +2 6 £481 - 3
Hemel Hempstead -14 5 £388 +7.64% 1
Hatfield +3 3 £350 -6.67%
Welwyn Garden City - 2 £460 -
T-SQL
East of England

For the 6 months to 18 October 2018, IT contractor jobs citing T-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 T-SQL.

1 64 (100.00%) SQL
2 48 (75.00%) SQL Server
3 29 (45.31%) SQL Server Integration Services
4 28 (43.75%) SQL Server Reporting Services
4 28 (43.75%) Web Services
5 24 (37.50%) Java
6 23 (35.94%) ETL
6 23 (35.94%) Spring
7 22 (34.38%) Sybase ASE
7 22 (34.38%) Sybase
8 20 (31.25%) C#
8 20 (31.25%) Microsoft
8 20 (31.25%) MVC
8 20 (31.25%) Subversion
8 20 (31.25%) Agile Software Development
9 18 (28.13%) SQL Server Analysis Services
10 16 (25.00%) JSON
10 16 (25.00%) JavaScript
11 15 (23.44%) Migration
11 15 (23.44%) Business Intelligence
12 14 (21.88%) Data Migration
12 14 (21.88%) Spring MVC
12 14 (21.88%) SQL Server 2016
13 13 (20.31%) Hibernate
13 13 (20.31%) XML
14 12 (18.75%) TDD
14 12 (18.75%) Data Mapping
14 12 (18.75%) Test Automation
15 11 (17.19%) Security Cleared
15 11 (17.19%) RESTful

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 8 (12.50%) Elasticsearch
1 8 (12.50%) Tomcat
2 6 (9.38%) Apache
3 3 (4.69%) NServiceBus
4 1 (1.56%) Confluence
Applications
1 6 (9.38%) Microsoft Excel
Cloud Services
1 9 (14.06%) Amazon AWS
2 3 (4.69%) SaaS
3 2 (3.13%) Microsoft Azure
Communications & Networking
1 1 (1.56%) SAN
Database & Business Intelligence
1 48 (75.00%) SQL Server
2 29 (45.31%) SQL Server Integration Services
3 28 (43.75%) SQL Server Reporting Services
4 22 (34.38%) Sybase ASE
5 18 (28.13%) SQL Server Analysis Services
6 14 (21.88%) SQL Server 2016
7 11 (17.19%) Data Warehouse
7 11 (17.19%) SQL Server 2008
8 10 (15.63%) PostgreSQL
9 8 (12.50%) Power BI
10 7 (10.94%) SQL Server 2012
11 6 (9.38%) Endeca
12 3 (4.69%) MongoDB
12 3 (4.69%) OLAP
13 2 (3.13%) NoSQL
14 1 (1.56%) HDInsight
14 1 (1.56%) OLAP Cube
14 1 (1.56%) Oracle Database
14 1 (1.56%) Oracle Database 12c
14 1 (1.56%) SQL Server 2014
Development Applications
1 20 (31.25%) Subversion
2 10 (15.63%) JIRA
3 6 (9.38%) Eclipse
3 6 (9.38%) Maven
4 3 (4.69%) Git (software)
5 2 (3.13%) Visual Studio
6 1 (1.56%) Bitbucket
6 1 (1.56%) Jenkins
6 1 (1.56%) JMeter
6 1 (1.56%) jMock
6 1 (1.56%) JUnit
6 1 (1.56%) Selenium
General
1 7 (10.94%) Finance
2 5 (7.81%) Retail
3 1 (1.56%) Banking
Job Titles
1 57 (89.06%) Developer
2 27 (42.19%) SQL Developer
3 24 (37.50%) Java Developer
4 15 (23.44%) SQL Server Developer
5 13 (20.31%) ETL Developer
6 10 (15.63%) Data Migration Developer
6 10 (15.63%) JSP Developer
7 9 (14.06%) Oracle Developer
7 9 (14.06%) Oracle ETL Developer
7 9 (14.06%) PostgreSQL Developer
8 8 (12.50%) Business Intelligence Developer
9 7 (10.94%) T-SQL Developer
10 5 (7.81%) Business Intelligence Lead
11 4 (6.25%) .NET Developer
11 4 (6.25%) Angular Developer
11 4 (6.25%) AWS Developer
11 4 (6.25%) Elasticsearch Developer
12 3 (4.69%) Lead Developer
12 3 (4.69%) SSRS Developer
13 2 (3.13%) SSIS Developer
Libraries, Frameworks & Software Standards
1 28 (43.75%) Web Services
2 23 (35.94%) Spring
3 16 (25.00%) JSON
4 14 (21.88%) Spring MVC
5 13 (20.31%) Hibernate
5 13 (20.31%) XML
6 11 (17.19%) .NET
6 11 (17.19%) jQuery
6 11 (17.19%) JSP
6 11 (17.19%) RESTful
7 10 (15.63%) HTML
8 9 (14.06%) HTML5
9 7 (10.94%) Spring Boot
10 6 (9.38%) .NET Framework
10 6 (9.38%) Entity Framework
10 6 (9.38%) JDBC
10 6 (9.38%) JMS
10 6 (9.38%) JPA
10 6 (9.38%) REST
10 6 (9.38%) Spring Web Flow
Miscellaneous
1 10 (15.63%) Reference Data
2 4 (6.25%) Analytical Skills
3 3 (4.69%) Greenfield Project
4 1 (1.56%) Computer Science
4 1 (1.56%) Management Information System
Operating Systems
1 8 (12.50%) Linux
2 2 (3.13%) Windows
3 1 (1.56%) Solaris
3 1 (1.56%) Unix
Processes & Methodologies
1 23 (35.94%) ETL
2 20 (31.25%) Agile Software Development
2 20 (31.25%) MVC
3 15 (23.44%) Business Intelligence
3 15 (23.44%) Migration
4 14 (21.88%) Data Migration
5 12 (18.75%) Data Mapping
5 12 (18.75%) TDD
5 12 (18.75%) Test Automation
6 10 (15.63%) Scaled Agile Framework
7 9 (14.06%) BDD
8 5 (7.81%) Data Integration
8 5 (7.81%) Performance Tuning
9 4 (6.25%) Database Tuning
9 4 (6.25%) DevOps
9 4 (6.25%) Infrastructure Management
9 4 (6.25%) Requirements Analysis
9 4 (6.25%) SDLC
9 4 (6.25%) UML
9 4 (6.25%) Unit Testing
Programming Languages
1 64 (100.00%) SQL
2 24 (37.50%) Java
3 20 (31.25%) C#
4 16 (25.00%) JavaScript
5 11 (17.19%) PL/SQL
6 3 (4.69%) Python
7 2 (3.13%) Go
7 2 (3.13%) VBA
8 1 (1.56%) FoxPro (VFP)
8 1 (1.56%) Shell Script
8 1 (1.56%) VB.NET
Qualifications
1 11 (17.19%) Security Cleared
2 9 (14.06%) SC Cleared
3 1 (1.56%) Degree
Quality Assurance & Compliance
1 3 (4.69%) QA
2 1 (1.56%) SLA
System Software
1 3 (4.69%) Active Directory
Systems Management
1 1 (1.56%) Oracle Enterprise Manager
1 1 (1.56%) Oracle RMAN
1 1 (1.56%) SCOM
Vendors
1 22 (34.38%) Sybase
2 20 (31.25%) Microsoft
3 11 (17.19%) Oracle
4 9 (14.06%) Talend
5 1 (1.56%) Salesforce.com
5 1 (1.56%) SAP
5 1 (1.56%) Tableau
5 1 (1.56%) Veritas