Period
to 17 November 2017

The following table provides summary statistics for contract job vacancies advertised in St Albans 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 17 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)
Hertfordshire > St Albans
6 months to
17 Nov 2017
Same period 2016 Same period 2015
Rank 10 6 5
Rank change year-on-year -4 -1 -4
Contract jobs citing SQL 3 6 6
As % of all contract IT jobs advertised in St Albans 11.11% 14.29% 12.24%
As % of the Programming Languages category 23.08% 30.00% 54.55%
Number of daily rates quoted 4 5 2
St Albans median daily rate £305 £308 £550
Median daily rate % change year-on-year -0.97% -44.00% +83.33%
10th Percentile £288 £249 £525
90th Percentile £425 £336 £575
Hertfordshire median daily rate £363 £350 £373
% change year-on-year +3.57% -6.04% +11.19%
Number of hourly rates quoted 0 0 0
St Albans median hourly rate - - -
Hertfordshire median hourly rate £16.81 £28.54 £32.50
% change year-on-year -41.12% -12.18% +160.00%

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 St Albans with a requirement for coding skills.

All Programming Languages
St Albans
Contract vacancies with a requirement for coding skills 13 20 11
As % of all contract IT jobs advertised in St Albans 48.15% 47.62% 22.45%
Number of daily rates quoted 11 11 7
St Albans median daily rate £350 £345 £350
Median daily rate % change year-on-year +1.45% -1.43% +7.69%
10th Percentile £300 £304 £125
90th Percentile £469 £538 £575
Hertfordshire median daily rate £425 £390 £375
% change year-on-year +8.97% +4.00% +7.14%
Number of hourly rates quoted 0 0 0
St Albans median hourly rate - - -
Hertfordshire median hourly rate £17.15 £49.75 £33.25
% change year-on-year -65.52% +49.62% +66.25%

SQL
Job Vacancy Trend in St Albans

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

Job vacancy trend for SQL in St Albans

SQL
Contractor Daily Rate Trend in St Albans

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

Contractor daily rate trend for SQL in St Albans

SQL
Contractor Daily Rate Histogram in St Albans

The daily rate distribution of IT jobs citing SQL in St Albans over the 6 months to 17 November 2017.

Contractor daily rate histogram for SQL in St Albans

SQL
Contractor Hourly Rate Trend in St Albans

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

Contractor hourly rate trend for SQL in St Albans

For the 6 months to 17 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 St Albans region with a requirement for SQL.

1 2 (66.67%) Agile Software Development
2 1 (33.33%) Ruby
2 1 (33.33%) SAP Business One
2 1 (33.33%) Continuous Integration
2 1 (33.33%) Test Automation
2 1 (33.33%) Microsoft Azure
2 1 (33.33%) Open Source
2 1 (33.33%) vSphere
2 1 (33.33%) Bash Shell
2 1 (33.33%) Memcached
2 1 (33.33%) Puppet
2 1 (33.33%) VMware ESXi
2 1 (33.33%) Apache Cassandra
2 1 (33.33%) NoSQL
2 1 (33.33%) OpenStack
2 1 (33.33%) Jenkins
2 1 (33.33%) Opscode Chef
2 1 (33.33%) Cloud Foundry
2 1 (33.33%) Ansible
2 1 (33.33%) Docker
2 1 (33.33%) DevOps
2 1 (33.33%) Kubernetes
2 1 (33.33%) Telecoms
2 1 (33.33%) Advertising
2 1 (33.33%) PostgreSQL
2 1 (33.33%) VMware
2 1 (33.33%) C#
2 1 (33.33%) Perl
2 1 (33.33%) .NET
2 1 (33.33%) MySQL

SQL
Co-occurring IT Skills in St Albans 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 1 (33.33%) Cloud Foundry
1 1 (33.33%) OpenStack
Business Applications
1 1 (33.33%) SAP Business One
Cloud Services
1 1 (33.33%) Microsoft Azure
Database & Business Intelligence
1 1 (33.33%) Apache Cassandra
1 1 (33.33%) Crystal Reports
1 1 (33.33%) MySQL
1 1 (33.33%) NoSQL
1 1 (33.33%) PostgreSQL
Development Applications
1 1 (33.33%) Jenkins
General
1 1 (33.33%) Advertising
1 1 (33.33%) Telecoms
Job Titles
1 2 (66.67%) Developer
2 1 (33.33%) Administrator
2 1 (33.33%) Business Developer
2 1 (33.33%) C# Developer
2 1 (33.33%) DevOps Administrator
2 1 (33.33%) SAP Business One Developer
2 1 (33.33%) SAP Developer
Libraries, Frameworks & Software Standards
1 1 (33.33%) .NET
1 1 (33.33%) ASP.NET
1 1 (33.33%) Memcached
Operating Systems
1 1 (33.33%) Linux
Processes & Methodologies
1 2 (66.67%) Agile Software Development
2 1 (33.33%) Configuration Management
2 1 (33.33%) Continuous Integration
2 1 (33.33%) DevOps
2 1 (33.33%) ERP
2 1 (33.33%) Open Source
2 1 (33.33%) Test Automation
Programming Languages
1 1 (33.33%) Bash Shell
1 1 (33.33%) C#
1 1 (33.33%) Perl
1 1 (33.33%) Python
1 1 (33.33%) Ruby
System Software
1 1 (33.33%) Docker
1 1 (33.33%) VMware ESXi
1 1 (33.33%) vSphere
Systems Management
1 1 (33.33%) Ansible
1 1 (33.33%) Kubernetes
1 1 (33.33%) Opscode Chef
1 1 (33.33%) Puppet
Vendors
1 1 (33.33%) SAP
1 1 (33.33%) VMware