The following table provides summary statistics for contract job vacancies advertised in Hounslow 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 28 June 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)
London / Hounslow
3 months to
28 Jun 2017
Same period 2016 Same period 2015
Rank 2 6 4
Rank change year-on-year +4 -2  
Contract jobs citing SQL 2 2 2
As % of all contract IT jobs advertised in Hounslow 20.00% 8.00% 7.69%
As % of the Programming Languages category 66.67% 50.00% 22.22%
Number of daily rates quoted 0 2 2
Median daily rate - £383 £323
Median daily rate % change year-on-year - +18.60%  
UK excluding London median daily rate £375 £363 £340
% change year-on-year +3.44% +6.61%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £40.00 £32.50 £22.50
% change year-on-year +23.07% +44.44%  

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 Hounslow with a requirement for programming language skills.

Contract Programming Language Skills
Hounslow
Contract job vacancies with a requirement for programming language skills 3 4 9
As % of all contract IT job vacancies advertised in Hounslow 30.00% 16.00% 34.62%
Number of daily rates quoted 1 3 8
Median daily rate £600 £458 £375
Median daily rate % change year-on-year +31.14% +22.00%  
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £42.50 £37.50 £37.00
% change year-on-year +13.33% +1.35%  

SQL
Job Vacancy Trend in Hounslow

The job posting trend of jobs advertised in Hounslow 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 Hounslow

SQL
Contractor Daily Rate Trend in Hounslow

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

Contractor daily rate trend for SQL in Hounslow

SQL
Contractor Hourly Rate Trend in Hounslow

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

Contractor hourly rate trend for SQL in Hounslow

For the 6 months to 28 June 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 Hounslow region with a requirement for SQL.

1 1 (50.00%) User Acceptance Testing
1 1 (50.00%) Data Cleansing
1 1 (50.00%) Visualisation
1 1 (50.00%) Tableau
1 1 (50.00%) Data Structures
1 1 (50.00%) Microsoft Excel

SQL
Co-occurring IT Skills in Hounslow 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:

Applications
1 1 (50.00%) Microsoft Excel
Job Titles
1 2 (100.00%) Analyst
2 1 (50.00%) Business Analyst
2 1 (50.00%) Data Analyst
Miscellaneous
1 1 (50.00%) Data Structures
Processes & Methodologies
1 1 (50.00%) Data Cleansing
1 1 (50.00%) User Acceptance Testing
1 1 (50.00%) Visualisation
Vendors
1 1 (50.00%) Tableau