Period
to 15 December 2019

The following table provides summary statistics for contract job vacancies advertised in Hemel Hempstead 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 15 December 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)
Hertfordshire > Hemel Hempstead
6 months to
15 Dec 2019
Same period 2018 Same period 2017
Rank 21 3 3
Rank change year-on-year -18 0 +9
Contract jobs citing SQL 12 23 17
As % of all contract IT jobs advertised in Hemel Hempstead 7.59% 29.11% 19.54%
As % of the Programming Languages category 18.46% 63.89% 54.84%
Number of daily rates quoted 2 12 14
Hemel Hempstead median daily rate £383 £358 £363
Median daily rate % change year-on-year +6.99% -1.38% -3.33%
10th Percentile £365 £301 £313
90th Percentile £394 £425 £460
Hertfordshire median daily rate £388 £400 £363
% change year-on-year -3.13% +10.34% +9.02%
Number of hourly rates quoted 0 2 0
Hemel Hempstead median hourly rate - £10.69 -
Hertfordshire median hourly rate £38.00 £23.00 £16.81
% change year-on-year +65.22% +36.86% -62.66%

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 Hemel Hempstead with a requirement for coding skills.

All Programming Languages
Hemel Hempstead
Contract vacancies with a requirement for coding skills 65 36 31
As % of all contract IT jobs advertised in Hemel Hempstead 41.14% 45.57% 35.63%
Number of daily rates quoted 41 23 22
Hemel Hempstead median daily rate £438 £420 £375
Median daily rate % change year-on-year +4.17% +12.00% -6.25%
10th Percentile £320 £300 £313
90th Percentile £450 £475 £473
Hertfordshire median daily rate £425 £420 £413
% change year-on-year +1.19% +1.82% +5.77%
Number of hourly rates quoted 0 2 0
Hemel Hempstead median hourly rate - £10.69 -
Hertfordshire median hourly rate £43.00 £45.00 £24.50
% change year-on-year -4.44% +83.67% -49.61%

SQL
Job Vacancy Trend in Hemel Hempstead

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

Job vacancy trend for SQL in Hemel Hempstead

SQL
Contractor Daily Rate Trend in Hemel Hempstead

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

Contractor daily rate trend for SQL in Hemel Hempstead

SQL
Contractor Hourly Rate Trend in Hemel Hempstead

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

Contractor hourly rate trend for SQL in Hemel Hempstead

For the 6 months to 15 December 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 Hemel Hempstead region with a requirement for SQL.

1 9 (75.00%) SQL Server
2 8 (66.67%) Security Cleared
2 8 (66.67%) Infrastructure Management
3 7 (58.33%) Agile Software Development
4 6 (50.00%) .NET
4 6 (50.00%) HTML
4 6 (50.00%) SQL Server 2016
5 5 (41.67%) Performance Tuning
5 5 (41.67%) SQL Server 2008
5 5 (41.67%) JSON
6 4 (33.33%) Windows
6 4 (33.33%) C#
6 4 (33.33%) JavaScript
6 4 (33.33%) CSS
6 4 (33.33%) Git (software)
6 4 (33.33%) HTML5
7 3 (25.00%) Entity Framework
7 3 (25.00%) High Availability
7 3 (25.00%) CSS3
7 3 (25.00%) Unit Testing
7 3 (25.00%) Data Migration
7 3 (25.00%) TypeScript
7 3 (25.00%) Data Centre
7 3 (25.00%) SDLC
7 3 (25.00%) Protractor
7 3 (25.00%) Angular 2
7 3 (25.00%) Twitter Bootstrap
7 3 (25.00%) Responsive Web Design
7 3 (25.00%) Jasmine
7 3 (25.00%) SQL Server 2012

SQL
Co-occurring IT Skills in Hemel Hempstead 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 (8.33%) Elasticsearch
Cloud Services
1 1 (8.33%) Amazon ElastiCache
1 1 (8.33%) Amazon S3
1 1 (8.33%) Amazon SQS
1 1 (8.33%) AWS
1 1 (8.33%) AWS CloudFormation
1 1 (8.33%) AWS Elastic Beanstalk
1 1 (8.33%) AWS Lambda
1 1 (8.33%) CloudFront
1 1 (8.33%) GitHub
1 1 (8.33%) Heroku
1 1 (8.33%) Route 53
1 1 (8.33%) Serverless
Communications & Networking
1 2 (16.67%) WebEx
2 1 (8.33%) SMS
Database & Business Intelligence
1 9 (75.00%) SQL Server
2 6 (50.00%) SQL Server 2016
3 5 (41.67%) SQL Server 2008
4 3 (25.00%) SQL Server 2012
4 3 (25.00%) SQL Server 2014
5 2 (16.67%) Oracle Database
5 2 (16.67%) Oracle Database 11g
5 2 (16.67%) SQL Server 2017
5 2 (16.67%) SQLPlus
6 1 (8.33%) Amazon DynamoDB
6 1 (8.33%) Amazon RDS
6 1 (8.33%) Microsoft Analysis Services
6 1 (8.33%) PostgreSQL
6 1 (8.33%) SQL Server Analysis Services
6 1 (8.33%) UniData
Development Applications
1 4 (33.33%) Git (software)
2 3 (25.00%) Jasmine
2 3 (25.00%) Jenkins
2 3 (25.00%) JIRA
2 3 (25.00%) Protractor
3 2 (16.67%) AppScan
3 2 (16.67%) Burp Suite
3 2 (16.67%) SoapUI
4 1 (8.33%) Mocha
4 1 (8.33%) webpack
General
1 2 (16.67%) Arabic Language
2 1 (8.33%) Telecoms
Job Titles
1 6 (50.00%) Developer
2 4 (33.33%) DBA
3 3 (25.00%) Architect
3 3 (25.00%) Backend Developer
3 3 (25.00%) SQL DBA
3 3 (25.00%) Technical Architect
4 2 (16.67%) Penetration Tester
4 2 (16.67%) Tester
5 1 (8.33%) Applications Tester
5 1 (8.33%) Database Developer
5 1 (8.33%) Full Stack Developer
5 1 (8.33%) Oracle DBA
5 1 (8.33%) Web Applications Tester
5 1 (8.33%) Web Tester
Libraries, Frameworks & Software Standards
1 6 (50.00%) .NET
1 6 (50.00%) HTML
2 5 (41.67%) JSON
3 4 (33.33%) CSS
3 4 (33.33%) HTML5
4 3 (25.00%) .NET Framework
4 3 (25.00%) Angular 2
4 3 (25.00%) AngularJS
4 3 (25.00%) ASP.NET
4 3 (25.00%) CSS3
4 3 (25.00%) Entity Framework
4 3 (25.00%) Twitter Bootstrap
4 3 (25.00%) Web Services
4 3 (25.00%) XML
5 2 (16.67%) Ajax
5 2 (16.67%) RESTful
6 1 (8.33%) D3.js
6 1 (8.33%) GraphQL
6 1 (8.33%) Node.js
6 1 (8.33%) WPF
Miscellaneous
1 3 (25.00%) Data Centre
2 2 (16.67%) Analytical Skills
Operating Systems
1 4 (33.33%) Windows
2 2 (16.67%) Android
2 2 (16.67%) Apple iOS
2 2 (16.67%) Linux
Processes & Methodologies
1 8 (66.67%) Infrastructure Management
2 7 (58.33%) Agile Software Development
3 5 (41.67%) Performance Tuning
4 3 (25.00%) Data Migration
4 3 (25.00%) Decision-Making
4 3 (25.00%) High Availability
4 3 (25.00%) Migration
4 3 (25.00%) Requirements Analysis
4 3 (25.00%) Responsive Web Design
4 3 (25.00%) SDLC
4 3 (25.00%) Unit Testing
5 2 (16.67%) Compatibility Testing
5 2 (16.67%) Critical Thinking
5 2 (16.67%) Cryptography
5 2 (16.67%) Information Security
5 2 (16.67%) Penetration Testing
5 2 (16.67%) Performance Testing
5 2 (16.67%) Project Delivery
5 2 (16.67%) Scrum
5 2 (16.67%) Vulnerability Assessment
Programming Languages
1 4 (33.33%) C#
1 4 (33.33%) JavaScript
2 3 (25.00%) Java
2 3 (25.00%) T-SQL
2 3 (25.00%) TypeScript
3 2 (16.67%) Objective-C
3 2 (16.67%) Perl
3 2 (16.67%) PHP
3 2 (16.67%) PL/SQL
3 2 (16.67%) Python
3 2 (16.67%) Shell Script
4 1 (8.33%) ES6
4 1 (8.33%) Ruby
4 1 (8.33%) UniBasic
4 1 (8.33%) VB.NET
4 1 (8.33%) XAML
Qualifications
1 8 (66.67%) Security Cleared
2 2 (16.67%) Oracle Certification
2 2 (16.67%) SANS
3 1 (8.33%) SC Cleared
Systems Management
1 2 (16.67%) Data Guard
1 2 (16.67%) Failover Clustering
1 2 (16.67%) Microsoft Clustering
1 2 (16.67%) Oracle RMAN
1 2 (16.67%) Single Sign-On
1 2 (16.67%) WebInspect
Vendors
1 3 (25.00%) Microsoft
2 2 (16.67%) Acunetix
2 2 (16.67%) HP
2 2 (16.67%) IBM
2 2 (16.67%) Oracle
3 1 (8.33%) jBASE