The following table provides summary statistics for contract job vacancies advertised in Middlesex with a requirement for SQL skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited SQL over the 3 months to 30 March 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)
South East / Middlesex
3 months to
30 Mar 2017
Same period 2016 Same period 2015
Rank 11 7 5
Rank change year-on-year -4 -2  
Contract jobs citing SQL 9 18 19
As % of all contract IT jobs advertised in Middlesex 7.20% 11.32% 11.45%
As % of the Programming Languages category 25.71% 36.73% 33.93%
Number of daily rates quoted 6 13 13
Median daily rate £350 £400 £400
Median daily rate % change year-on-year -12.50% -  
90% offered a daily rate of more than £349 £328 £280
10% offered a daily rate of more than £375 £511 £457
UK excluding London median daily rate £363 £365 £350
% change year-on-year -0.68% +4.28%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £40.00 £23.50 £30.00
% change year-on-year +70.21% -21.66%  

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 Middlesex with a requirement for programming language skills.

Contract Programming Language Skills
Middlesex
Contract job vacancies with a requirement for programming language skills 35 49 56
As % of all contract IT job vacancies advertised in Middlesex 28.00% 30.82% 33.73%
Number of daily rates quoted 18 30 33
Median daily rate £350 £350 £350
90% offered a daily rate of more than £213 £316 £300
10% offered a daily rate of more than £423 £437 £425
UK excluding London median daily rate £388 £375 £350
% change year-on-year +3.33% +7.14%  
Number of hourly rates quoted 0 8 0
Median hourly rate - £44.00 -
UK excluding London median hourly rate £41.50 £40.00 £36.00
% change year-on-year +3.75% +11.11%  

SQL
Job Vacancy Trend in Middlesex

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

Job vacancy trend for SQL in Middlesex

SQL
Contractor Daily Rate Trend in Middlesex

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

Contractor daily rate trend for SQL in Middlesex

SQL
Contractor Hourly Rate Trend in Middlesex

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

Contractor hourly rate trend for SQL in Middlesex

For the 6 months to 30 March 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 Middlesex region with a requirement for SQL.

1 10 (40.00%) HTML
2 9 (36.00%) SQL Server
2 9 (36.00%) HTML5
3 8 (32.00%) Agile Software Development
4 7 (28.00%) Degree
4 7 (28.00%) NoSQL
4 7 (28.00%) Git (software)
4 7 (28.00%) C++
4 7 (28.00%) Perl
4 7 (28.00%) Scrum
4 7 (28.00%) DevOps
5 6 (24.00%) SOA
5 6 (24.00%) Digital TV
5 6 (24.00%) DVB
5 6 (24.00%) C
5 6 (24.00%) Unix
5 6 (24.00%) Linux
5 6 (24.00%) MPEG
5 6 (24.00%) HTTP
5 6 (24.00%) Node.js
5 6 (24.00%) REST
5 6 (24.00%) TDD
5 6 (24.00%) STB
5 6 (24.00%) Computer Science
6 5 (20.00%) Wireshark
6 5 (20.00%) Fiddler
6 5 (20.00%) Continuous Integration
6 5 (20.00%) Software Architecture
6 5 (20.00%) User Stories
6 5 (20.00%) Windows

SQL
Co-occurring IT Skills in Middlesex 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 2 (8.00%) IIS
2 1 (4.00%) Apache Spark
2 1 (4.00%) CMS
2 1 (4.00%) SharePoint
2 1 (4.00%) SharePoint 2013
Applications
1 1 (4.00%) Spreadsheet
Cloud Services
1 1 (4.00%) GitHub
Communications & Networking
1 6 (24.00%) DVB
1 6 (24.00%) HTTP
2 5 (20.00%) Wireshark
3 1 (4.00%) Intranet
Database & Business Intelligence
1 9 (36.00%) SQL Server
2 7 (28.00%) NoSQL
3 3 (12.00%) SQL Server 2012
3 3 (12.00%) SQL Server Integration Services
3 3 (12.00%) SQL Server Reporting Services
4 2 (8.00%) Data Warehouse
4 2 (8.00%) Ingres
4 2 (8.00%) SQL Server 2005
5 1 (4.00%) Big Data
5 1 (4.00%) BusinessObjects
5 1 (4.00%) Enterprise Data Warehouse
5 1 (4.00%) Microsoft Power View
5 1 (4.00%) MySQL
5 1 (4.00%) Oracle Database
5 1 (4.00%) Oracle Database 10g
5 1 (4.00%) Oracle Database 11g
5 1 (4.00%) Oracle Reports
5 1 (4.00%) QlikView
5 1 (4.00%) SAP Data Services
5 1 (4.00%) SQL Server Analysis Services
Development Applications
1 7 (28.00%) Git (software)
2 5 (20.00%) Fiddler
3 1 (4.00%) Bitbucket
3 1 (4.00%) Jenkins
General
1 4 (16.00%) Advertising
2 2 (8.00%) Legal
3 1 (4.00%) Back Office
3 1 (4.00%) Local Government
3 1 (4.00%) Marketing
Job Titles
1 7 (28.00%) Developer
2 4 (16.00%) Analyst
3 3 (12.00%) Embedded Engineer
3 3 (12.00%) Integration Engineer
3 3 (12.00%) SQL Analyst
3 3 (12.00%) SQL Server Analyst
3 3 (12.00%) SSIS Analyst
3 3 (12.00%) SSRS Analyst
4 2 (8.00%) .NET Developer
4 2 (8.00%) Applications Support
4 2 (8.00%) C# .NET Developer
4 2 (8.00%) C# Developer
4 2 (8.00%) C++ Developer
4 2 (8.00%) Embedded Software Engineer
4 2 (8.00%) Software Engineer
4 2 (8.00%) SQL Support Analyst
4 2 (8.00%) Support Analyst
5 1 (4.00%) SQL DBA
5 1 (4.00%) SQL Developer
5 1 (4.00%) VB.NET Developer
Libraries, Frameworks & Software Standards
1 10 (40.00%) HTML
2 9 (36.00%) HTML5
3 6 (24.00%) Node.js
3 6 (24.00%) REST
4 5 (20.00%) Web Services
5 3 (12.00%) .NET
5 3 (12.00%) CSS
5 3 (12.00%) XML
6 2 (8.00%) ASP.NET
6 2 (8.00%) JSON
6 2 (8.00%) WinForms
7 1 (4.00%) D3.js
7 1 (4.00%) SOAP
7 1 (4.00%) STL
7 1 (4.00%) Three.js
Miscellaneous
1 6 (24.00%) Computer Science
1 6 (24.00%) Digital TV
1 6 (24.00%) MPEG
1 6 (24.00%) STB
2 5 (20.00%) Over-the-Top Content
3 3 (12.00%) PlayStation
3 3 (12.00%) Xbox
4 2 (8.00%) Analytical Skills
4 2 (8.00%) Management Information System
5 1 (4.00%) Algorithms
5 1 (4.00%) CMDB
5 1 (4.00%) Data Centre
5 1 (4.00%) Data Structures
Operating Systems
1 6 (24.00%) Linux
1 6 (24.00%) Unix
2 5 (20.00%) Windows
3 1 (4.00%) CentOS
3 1 (4.00%) Ubuntu
3 1 (4.00%) Windows Server
Processes & Methodologies
1 8 (32.00%) Agile Software Development
2 7 (28.00%) DevOps
2 7 (28.00%) Scrum
3 6 (24.00%) SOA
3 6 (24.00%) TDD
4 5 (20.00%) Continuous Deployment
4 5 (20.00%) Continuous Integration
4 5 (20.00%) Software Architecture
4 5 (20.00%) User Stories
5 4 (16.00%) Business Intelligence
6 3 (12.00%) OOP
7 2 (8.00%) Data Cleansing
7 2 (8.00%) Multithreading
7 2 (8.00%) OO
7 2 (8.00%) Performance Monitoring
7 2 (8.00%) Prototyping
7 2 (8.00%) Software Engineering
8 1 (4.00%) ETL Development
8 1 (4.00%) Operational Acceptance Testing
8 1 (4.00%) Performance Tuning
Programming Languages
1 7 (28.00%) C++
1 7 (28.00%) Perl
2 6 (24.00%) C
3 4 (16.00%) Java
3 4 (16.00%) PowerShell
4 3 (12.00%) C#
4 3 (12.00%) JavaScript
4 3 (12.00%) T-SQL
5 2 (8.00%) Python
5 2 (8.00%) UniBasic
5 2 (8.00%) VB.NET
6 1 (4.00%) Bash Shell
6 1 (4.00%) MATLAB
6 1 (4.00%) PHP
6 1 (4.00%) PHP 5
6 1 (4.00%) PL/SQL
6 1 (4.00%) R
Qualifications
1 7 (28.00%) Degree
Quality Assurance & Compliance
1 1 (4.00%) Data Quality
1 1 (4.00%) WCAG
System Software
1 1 (4.00%) Docker
1 1 (4.00%) Virtual Machines
1 1 (4.00%) vSphere
Vendors
1 3 (12.00%) Microsoft
2 2 (8.00%) IBM
2 2 (8.00%) Oracle
2 2 (8.00%) Redback
3 1 (4.00%) BMC
3 1 (4.00%) CA
3 1 (4.00%) Google
3 1 (4.00%) HP
3 1 (4.00%) SaltStack
3 1 (4.00%) SAP
3 1 (4.00%) ServiceNow