The following table provides summary statistics for permanent job vacancies advertised in Croydon with a requirement for SQL skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited SQL over the 3 months to 25 June 2017 with a comparison to the same period in the previous 2 years.

SQL (Structured Query Language)
London / Croydon
3 months to
25 Jun 2017
Same period 2016 Same period 2015
Rank 19 4 3
Rank change year-on-year -15 -1  
Permanent jobs citing SQL 21 62 66
As % of all permanent IT jobs advertised in Croydon 11.17% 25.20% 33.85%
As % of the Programming Languages category 23.08% 47.33% 61.68%
Number of salaries quoted 19 61 62
Median salary £37,500 £50,000 £45,000
Median salary % change year-on-year -25.00% +11.11%  
90% offered a salary of more than £33,600 £23,500 £25,500
10% offered a salary of more than £57,500 £57,500 £59,500
UK excluding London median salary £40,000 £40,000 £40,000

SQL is in the programming language skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Croydon with a requirement for programming language skills.

Programming Language Skills
Croydon
Permanent job vacancies with a requirement for programming language skills 91 131 107
As % of all permanent IT job vacancies advertised in Croydon 48.40% 53.25% 54.87%
Number of salaries quoted 67 121 90
Median salary £52,500 £50,000 £45,000
Median salary % change year-on-year +5.00% +11.11%  
90% offered a salary of more than £37,500 £27,500 £33,000
10% offered a salary of more than £65,000 £57,000 £58,000
UK excluding London median salary £42,500 £41,000 £40,000
% change year-on-year +3.65% +2.50%  

SQL
Job Vacancy Trend in Croydon

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

Job vacancy trend for SQL in Croydon

SQL
Salary Trend in Croydon

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

Salary trend for SQL in Croydon

SQL
Salary Histogram in Croydon

The salary distribution of IT jobs citing SQL in Croydon over the 3 months to 25 June 2017.

Salary histogram for SQL in Croydon

For the 6 months to 25 June 2017, 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 Croydon region with a requirement for SQL.

1 44 (80.00%) SQL Server
2 33 (60.00%) Microsoft
3 30 (54.55%) .NET
3 30 (54.55%) C#
4 29 (52.73%) CSS
4 29 (52.73%) MVC
4 29 (52.73%) Agile Software Development
5 28 (50.91%) ASP.NET
5 28 (50.91%) jQuery
6 23 (41.82%) Finance
7 21 (38.18%) HTML
7 21 (38.18%) ASP.NET MVC
8 20 (36.36%) HTML5
9 16 (29.09%) JavaScript
10 15 (27.27%) TDD
10 15 (27.27%) CSS3
11 14 (25.45%) Relational Database
12 13 (23.64%) Twitter Bootstrap
12 13 (23.64%) ASP.NET MVC 5
12 13 (23.64%) Windows Server
12 13 (23.64%) PMI
12 13 (23.64%) PMI Certification
12 13 (23.64%) Windows
13 12 (21.82%) Active Directory
14 11 (20.00%) VMware
14 11 (20.00%) Java
15 10 (18.18%) Cisco
15 10 (18.18%) SCCM
15 10 (18.18%) vSphere
16 9 (16.36%) Continuous Integration

SQL
Co-occurring IT Skills in Croydon 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 (3.64%) Apache Spark
1 2 (3.64%) SAS
2 1 (1.82%) Oracle BPEL
2 1 (1.82%) Oracle SOA Suite
2 1 (1.82%) Papyrus
2 1 (1.82%) WebLogic
Applications
1 3 (5.45%) Microsoft Excel
1 3 (5.45%) Microsoft Office
2 1 (1.82%) Photoshop
Business Applications
1 3 (5.45%) SAP Oil and Gas
2 1 (1.82%) Exstream
2 1 (1.82%) Oracle BPM
2 1 (1.82%) StreamServe
Cloud Services
1 7 (12.73%) Cloud Computing
1 7 (12.73%) Office 365
2 6 (10.91%) Amazon AWS
2 6 (10.91%) Microsoft Azure
3 1 (1.82%) GitHub
Communications & Networking
1 6 (10.91%) TCP/IP
2 3 (5.45%) BGP
2 3 (5.45%) DHCP
2 3 (5.45%) DNS
2 3 (5.45%) iSCSI
2 3 (5.45%) MPLS
2 3 (5.45%) SAN
2 3 (5.45%) VPLS
2 3 (5.45%) WAN
3 2 (3.64%) Firewall
4 1 (1.82%) Cisco IOS
Database & Business Intelligence
1 44 (80.00%) SQL Server
2 14 (25.45%) Relational Database
3 3 (5.45%) BusinessObjects
3 3 (5.45%) Data Warehouse
3 3 (5.45%) SQL Server 2008
3 3 (5.45%) SQL Server 2012
4 2 (3.64%) Hadoop
4 2 (3.64%) QlikView
4 2 (3.64%) SQL Server Reporting Services
5 1 (1.82%) Base SAS
5 1 (1.82%) MySQL
5 1 (1.82%) Oracle Database
5 1 (1.82%) Oracle Database 11g
5 1 (1.82%) Power BI
5 1 (1.82%) RDBMS
5 1 (1.82%) SAS Data Integration Studio
5 1 (1.82%) SAS Enterprise Guide
5 1 (1.82%) SQL Server 2016
5 1 (1.82%) SQL Server Analysis Services
5 1 (1.82%) SQL Server Integration Services
Development Applications
1 3 (5.45%) Jenkins
2 2 (3.64%) Git (software)
2 2 (3.64%) JUnit
2 2 (3.64%) Maven
3 1 (1.82%) Bitbucket
3 1 (1.82%) SoapUI
General
1 23 (41.82%) Finance
2 9 (16.36%) Banking
3 8 (14.55%) Retail
4 6 (10.91%) Investment Banking
4 6 (10.91%) Marketing
5 5 (9.09%) Telecoms
6 3 (5.45%) Electronics
6 3 (5.45%) Manufacturing
7 1 (1.82%) Advertising
Job Titles
1 26 (47.27%) Developer
2 16 (29.09%) .NET Developer
3 15 (27.27%) Analyst
4 13 (23.64%) 2nd Line Support
4 13 (23.64%) 2nd Line Support Analyst
4 13 (23.64%) Support Analyst
5 12 (21.82%) Senior .NET Developer
5 12 (21.82%) Senior Developer
6 9 (16.36%) ASP.NET MVC Developer
7 8 (14.55%) ASP.NET Developer
8 7 (12.73%) Infrastructure Manager
8 7 (12.73%) Network Infrastructure Manager
8 7 (12.73%) Network Manager
8 7 (12.73%) SQL Analyst
9 6 (10.91%) Database Analyst
9 6 (10.91%) Senior ASP.NET Developer
9 6 (10.91%) Senior ASP.NET MVC Developer
9 6 (10.91%) SQL Support Analyst
10 3 (5.45%) Administrator
10 3 (5.45%) Lead Developer
Libraries, Frameworks & Software Standards
1 30 (54.55%) .NET
2 29 (52.73%) CSS
3 28 (50.91%) ASP.NET
3 28 (50.91%) jQuery
4 21 (38.18%) ASP.NET MVC
4 21 (38.18%) HTML
5 20 (36.36%) HTML5
6 15 (27.27%) CSS3
7 13 (23.64%) ASP.NET MVC 5
7 13 (23.64%) Twitter Bootstrap
8 8 (14.55%) ASP.NET Web Forms
8 8 (14.55%) XSLT
9 6 (10.91%) .NET Framework
9 6 (10.91%) WCF
9 6 (10.91%) WPF
9 6 (10.91%) XML
10 3 (5.45%) SOAP
10 3 (5.45%) Web Services
11 2 (3.64%) ActiveMQ
11 2 (3.64%) REST
Miscellaneous
1 13 (23.64%) PMI
2 9 (16.36%) Fintech
3 6 (10.91%) Hedge funds
4 3 (5.45%) Clustering
5 1 (1.82%) Analytical Skills
5 1 (1.82%) Greenfield Project
Operating Systems
1 13 (23.64%) Windows
1 13 (23.64%) Windows Server
2 9 (16.36%) Windows Server 2003
3 3 (5.45%) Linux
3 3 (5.45%) Red Hat Enterprise Linux
4 2 (3.64%) Windows Server 2008
Processes & Methodologies
1 29 (52.73%) Agile Software Development
1 29 (52.73%) MVC
2 15 (27.27%) TDD
3 9 (16.36%) Continuous Integration
4 8 (14.55%) Analytics
4 8 (14.55%) System Testing
5 7 (12.73%) Infrastructure Management
5 7 (12.73%) ITIL
6 6 (10.91%) Business Intelligence
6 6 (10.91%) DevOps
6 6 (10.91%) Multithreaded Programming
6 6 (10.91%) Multithreading
6 6 (10.91%) SOLID
6 6 (10.91%) Workflow
7 3 (5.45%) Capacity Planning
7 3 (5.45%) Digital Marketing
7 3 (5.45%) ETL
7 3 (5.45%) Programme Management
7 3 (5.45%) Security Testing
7 3 (5.45%) Test Automation
Programming Languages
1 30 (54.55%) C#
2 16 (29.09%) JavaScript
3 11 (20.00%) Java
4 9 (16.36%) T-SQL
5 6 (10.91%) C++
5 6 (10.91%) Python
6 3 (5.45%) PowerShell
6 3 (5.45%) VBA
7 2 (3.64%) Scala
7 2 (3.64%) XPath
8 1 (1.82%) PHP
8 1 (1.82%) PL/SQL
8 1 (1.82%) R
8 1 (1.82%) VB
8 1 (1.82%) VB6
Qualifications
1 13 (23.64%) PMI Certification
2 7 (12.73%) ITIL Certification
3 2 (3.64%) MCP
4 1 (1.82%) SC Cleared
4 1 (1.82%) Security Cleared
System Software
1 12 (21.82%) Active Directory
2 10 (18.18%) vSphere
3 6 (10.91%) Docker
4 3 (5.45%) Microsoft App-V
5 1 (1.82%) HDFS
5 1 (1.82%) VMware Infrastructure
Systems Management
1 10 (18.18%) SCCM
2 3 (5.45%) Nagios
3 1 (1.82%) Hadoop YARN
Vendors
1 33 (60.00%) Microsoft
2 11 (20.00%) VMware
3 10 (18.18%) Cisco
4 7 (12.73%) HP
5 3 (5.45%) NetApp
5 3 (5.45%) Red Hat
5 3 (5.45%) SAP
6 2 (3.64%) Cognos
6 2 (3.64%) Jaspersoft
7 1 (1.82%) Oracle
7 1 (1.82%) Tableau