Period
to 20 January 2018

The following table provides summary statistics for permanent job vacancies advertised in Twickenham with a requirement for SQL skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited SQL over the 6 months to 20 January 2018 with a comparison to the same period in the previous 2 years.

SQL (Structured Query Language)
6 months to
20 Jan 2018
Same period 2017 Same period 2016
Rank 1 8 3
Rank change year-on-year +7 -5 -1
Permanent jobs citing SQL 37 25 47
As % of all permanent IT jobs advertised in Twickenham 26.43% 21.55% 31.13%
As % of the Programming Languages category 42.53% 40.32% 44.34%
Number of salaries quoted 36 24 54
Twickenham median annual salary £53,750 £35,000 £40,000
Median salary % change year-on-year +53.57% -12.50% -33.33%
10th Percentile £32,500 £31,250 £27,500
90th Percentile £67,500 £50,800 £86,000
Richmond upon Thames median annual salary £45,000 £45,000 £40,000
% change year-on-year - +12.50% -

SQL is in the Programming Languages category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Twickenham with a requirement for coding skills.

All Programming Languages
Twickenham
Permanent vacancies with a requirement for coding skills 87 62 106
As % of all permanent IT jobs advertised in Twickenham 62.14% 53.45% 70.20%
Number of salaries quoted 72 61 105
Twickenham median annual salary £50,000 £40,000 £47,500
Median salary % change year-on-year +25.00% -15.79% +5.56%
10th Percentile £32,500 £31,250 £28,500
90th Percentile £67,500 £61,250 £69,750
Richmond upon Thames median annual salary £55,000 £42,500 £45,000
% change year-on-year +29.41% -5.56% +8.43%

SQL
Job Vacancy Trend in Twickenham

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

Job vacancy trend for SQL in Twickenham

SQL
Salary Trend in Twickenham

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing SQL in Twickenham.

Salary trend for SQL in Twickenham

SQL
Salary Histogram in Twickenham

The salary distribution of IT jobs citing SQL in Twickenham over the 6 months to 20 January 2018.

Salary histogram for SQL in Twickenham

For the 6 months to 20 January 2018, IT jobs citing SQL also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Twickenham region with a requirement for SQL.

1 21 (56.76%) SQL Server
1 21 (56.76%) Marketing
2 18 (48.65%) Performance Tuning
3 16 (43.24%) Business Intelligence
4 14 (37.84%) Data Warehouse
5 13 (35.14%) SQL Server 2016
6 12 (32.43%) SQL Server 2014
6 12 (32.43%) Facebook
6 12 (32.43%) T-SQL
6 12 (32.43%) Microsoft Analysis Services
6 12 (32.43%) SQL Server Reporting Services
6 12 (32.43%) Clustering
6 12 (32.43%) Advertising
6 12 (32.43%) Replication
6 12 (32.43%) SQL Server Integration Services
6 12 (32.43%) SQL Server Analysis Services
7 11 (29.73%) Git (software)
7 11 (29.73%) Linux
8 9 (24.32%) Unix
8 9 (24.32%) MySQL
9 8 (21.62%) Perl
9 8 (21.62%) PHP
9 8 (21.62%) Python
9 8 (21.62%) FreeBSD
9 8 (21.62%) E-Commerce
9 8 (21.62%) Red Hat
9 8 (21.62%) Nagios
9 8 (21.62%) NFS
9 8 (21.62%) Benchmarking
9 8 (21.62%) Configuration Management

SQL
Co-occurring IT Skills in Twickenham 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 (21.62%) Elasticsearch
1 8 (21.62%) nginx
Database & Business Intelligence
1 21 (56.76%) SQL Server
2 14 (37.84%) Data Warehouse
3 13 (35.14%) SQL Server 2016
4 12 (32.43%) Microsoft Analysis Services
4 12 (32.43%) SQL Server 2014
4 12 (32.43%) SQL Server Analysis Services
4 12 (32.43%) SQL Server Integration Services
4 12 (32.43%) SQL Server Reporting Services
5 9 (24.32%) MySQL
6 8 (21.62%) Redis
7 3 (8.11%) RDBMS
7 3 (8.11%) Relational Database
8 1 (2.70%) Enterprise Data Warehouse
8 1 (2.70%) NoSQL
8 1 (2.70%) QlikView
8 1 (2.70%) SAP Data Services
Development Applications
1 11 (29.73%) Git (software)
2 3 (8.11%) Visual Studio
General
1 21 (56.76%) Marketing
2 12 (32.43%) Advertising
3 3 (8.11%) Law
3 3 (8.11%) Military
4 2 (5.41%) Finance
Job Titles
1 18 (48.65%) DBA
2 17 (45.95%) SQL DBA
3 12 (32.43%) SQL Server DBA
4 8 (21.62%) Systems Engineer
5 7 (18.92%) Developer
6 6 (16.22%) Administrator
7 3 (8.11%) Senior Developer
7 3 (8.11%) Senior Web Developer
7 3 (8.11%) Web Developer
8 2 (5.41%) Tableau Developer
9 1 (2.70%) Business Intelligence Lead
9 1 (2.70%) C++ Developer
9 1 (2.70%) QlikView Developer
Libraries, Frameworks & Software Standards
1 8 (21.62%) LEMP Stack
1 8 (21.62%) RabbitMQ
1 8 (21.62%) Regular Expression
2 3 (8.11%) .NET
2 3 (8.11%) AngularJS
2 3 (8.11%) CSS
2 3 (8.11%) HTML
2 3 (8.11%) jQuery
2 3 (8.11%) JSON
2 3 (8.11%) Razor View Engine
2 3 (8.11%) REST
3 1 (2.70%) Boost C++ Libraries
3 1 (2.70%) STL
Miscellaneous
1 12 (32.43%) Clustering
1 12 (32.43%) Replication
2 3 (8.11%) Computer Science
3 2 (5.41%) Analytical Skills
3 2 (5.41%) Contactless
3 2 (5.41%) Smartcard
Operating Systems
1 11 (29.73%) Linux
2 9 (24.32%) Unix
3 8 (21.62%) CentOS
3 8 (21.62%) FreeBSD
4 3 (8.11%) Windows
5 1 (2.70%) Windows Server
5 1 (2.70%) Windows Server 2008
Processes & Methodologies
1 18 (48.65%) Performance Tuning
2 16 (43.24%) Business Intelligence
3 8 (21.62%) Analytics
3 8 (21.62%) Benchmarking
3 8 (21.62%) Configuration Management
3 8 (21.62%) DevOps
3 8 (21.62%) E-Commerce
3 8 (21.62%) Performance Testing
4 6 (16.22%) ETL
5 5 (13.51%) Data Analysis
6 3 (8.11%) MVC
6 3 (8.11%) SDLC
6 3 (8.11%) Validation
6 3 (8.11%) Visualisation
6 3 (8.11%) Web Development
7 2 (5.41%) Data Visualisation
7 2 (5.41%) Test Automation
8 1 (2.70%) Dashboard Development
8 1 (2.70%) Stakeholder Management
8 1 (2.70%) Technical Architecture
Programming Languages
1 12 (32.43%) T-SQL
2 8 (21.62%) Bash Shell
2 8 (21.62%) Perl
2 8 (21.62%) PHP
2 8 (21.62%) Python
3 5 (13.51%) PowerShell
4 3 (8.11%) JavaScript
5 1 (2.70%) C++
Qualifications
1 3 (8.11%) Computer Science Degree
1 3 (8.11%) Degree
Quality Assurance & Compliance
1 3 (8.11%) QA
2 2 (5.41%) ISO 8583
System Software
1 8 (21.62%) Docker
1 8 (21.62%) KVM
1 8 (21.62%) NFS
Systems Management
1 8 (21.62%) HAProxy
1 8 (21.62%) Kibana
1 8 (21.62%) Nagios
1 8 (21.62%) Puppet
Vendors
1 12 (32.43%) Facebook
2 8 (21.62%) Percona
2 8 (21.62%) Red Hat
3 3 (8.11%) Tableau
3 3 (8.11%) Xerox
4 1 (2.70%) Salesforce Marketing Cloud
4 1 (2.70%) Salesforce.com
4 1 (2.70%) SAP
4 1 (2.70%) Splunk