The following table provides summary statistics for contract job vacancies advertised in Chester 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 23 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.

3 months to
23 Mar 2017
Same period 2016 Same period 2015
SQL (Structured Query Language)
Cheshire / Chester
Rank 8 8 8
Rank change year-on-year 0 0  
Contract jobs citing SQL 15 24 27
As % of all contract IT jobs advertised in Chester 15.00% 15.89% 14.52%
As % of the Programming Languages category 37.50% 34.29% 37.50%
Number of daily rates quoted 14 15 21
Median daily rate £355 £350 £413
Median daily rate % change year-on-year +1.42% -15.15%  
90% offered a daily rate of more than £290 £257 £325
10% offered a daily rate of more than £438 £450 £500
UK excluding London median daily rate £363 £370 £350
% change year-on-year -2.02% +5.71%  
Number of hourly rates quoted 0 4 1
Median hourly rate - £17.25 £16.50
Median hourly rate % change year-on-year - +4.54%  
UK excluding London median hourly rate £40.00 £23.02 £30.00
% change year-on-year +73.76% -23.26%  

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 Chester with a requirement for programming language skills.

Contract Programming Language Skills
Chester
Contract job vacancies with a requirement for programming language skills 40 70 72
As % of all contract IT job vacancies advertised in Chester 40.00% 46.36% 38.71%
Number of daily rates quoted 38 45 60
Median daily rate £438 £350 £388
Median daily rate % change year-on-year +25.00% -9.67%  
90% offered a daily rate of more than £275 £275 £290
10% offered a daily rate of more than £500 £425 £480
UK excluding London median daily rate £390 £375 £350
% change year-on-year +4.00% +7.14%  
Number of hourly rates quoted 1 7 1
Median hourly rate £50.00 £27.50 £16.50
Median hourly rate % change year-on-year +81.81% +66.66%  
UK excluding London median hourly rate £41.64 £40.00 £36.00
% change year-on-year +4.10% +11.11%  

SQL
Job Vacancy Trend in Chester

The job posting trend of jobs advertised in Chester 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 Chester

SQL
Contractor Daily Rate Trend in Chester

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

Contractor daily rate trend for SQL in Chester

SQL
Contractor Daily Rate Histogram in Chester

The daily rate distribution of IT jobs citing SQL in Chester over the 3 months to 23 March 2017.

Contractor daily rate histogram for SQL in Chester

SQL
Contractor Hourly Rate Trend in Chester

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

Contractor hourly rate trend for SQL in Chester

SQL
Top 30 Related IT Skills in Chester

For the 6 months to 23 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 Chester region with a requirement for SQL.

1 17 (65.38%) Agile Software Development
2 11 (42.31%) ETL
3 8 (30.77%) Business Intelligence
3 8 (30.77%) SQL Server
3 8 (30.77%) Amazon AWS
4 7 (26.92%) Finance
4 7 (26.92%) TDD
5 6 (23.08%) Data Analysis
5 6 (23.08%) Java
5 6 (23.08%) J2EE
5 6 (23.08%) Web Services
5 6 (23.08%) High Availability
5 6 (23.08%) Apache Camel
5 6 (23.08%) Performance Tuning
6 5 (19.23%) Microservices
6 5 (19.23%) Tableau
6 5 (19.23%) NoSQL
6 5 (19.23%) Performance Optimisation
6 5 (19.23%) OO
7 4 (15.38%) Selenium
7 4 (15.38%) SQL Server Reporting Services
7 4 (15.38%) SQL Server Integration Services
7 4 (15.38%) Scrum
7 4 (15.38%) Linux
7 4 (15.38%) Data Mining
7 4 (15.38%) Visualisation
7 4 (15.38%) Performance Monitoring
8 3 (11.54%) Data Analytics
8 3 (11.54%) Analytics
8 3 (11.54%) Big Data

SQL
Top Related IT Skills in Chester 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 (7.69%) Apache Pig
2 1 (3.85%) Elasticsearch
2 1 (3.85%) SAS
2 1 (3.85%) WebSphere
2 1 (3.85%) WebSphere Application Server
Applications
1 1 (3.85%) MS Office
Cloud Services
1 8 (30.77%) Amazon AWS
2 2 (7.69%) Amazon Kinesis
3 1 (3.85%) Office 365
Communications & Networking
1 2 (7.69%) VLAN
2 1 (3.85%) Fibre Channel
2 1 (3.85%) LAN
2 1 (3.85%) TCP/IP
2 1 (3.85%) WAN
Database & Business Intelligence
1 8 (30.77%) SQL Server
2 5 (19.23%) NoSQL
3 4 (15.38%) Data Mining
3 4 (15.38%) SQL Server Integration Services
3 4 (15.38%) SQL Server Reporting Services
4 3 (11.54%) Big Data
4 3 (11.54%) Data Warehouse
4 3 (11.54%) SQL Server 2008
5 2 (7.69%) Apache Hive
5 2 (7.69%) Hadoop
5 2 (7.69%) Spark SQL
5 2 (7.69%) SQL Server 2005
5 2 (7.69%) SQL Server 2012
5 2 (7.69%) SQL Server Analysis Services
6 1 (3.85%) Enterprise Data Warehouse
6 1 (3.85%) MongoDB
6 1 (3.85%) MySQL
6 1 (3.85%) Relational Database
6 1 (3.85%) SQL Server 2000
6 1 (3.85%) SQL Server 2016
Development Applications
1 4 (15.38%) Selenium
2 3 (11.54%) Talend Open Studio
3 2 (7.69%) JIRA
4 1 (3.85%) Cucumber
4 1 (3.85%) Jenkins
4 1 (3.85%) JUnit
4 1 (3.85%) LoadRunner
4 1 (3.85%) Oracle Forms
4 1 (3.85%) SQL Server Management Studio (SSMS)
4 1 (3.85%) Subversion
4 1 (3.85%) Toad
4 1 (3.85%) Visual Studio
General
1 7 (26.92%) Finance
2 2 (7.69%) Local Government
3 1 (3.85%) Banking
Job Titles
1 9 (34.62%) Developer
2 5 (19.23%) Architect
2 5 (19.23%) Java Architect
2 5 (19.23%) Java Technical Architect
2 5 (19.23%) Lead Architect
2 5 (19.23%) Technical Architect
2 5 (19.23%) Technical Leader
2 5 (19.23%) Tester
3 4 (15.38%) DBA
3 4 (15.38%) SQL DBA
4 3 (11.54%) Analyst
4 3 (11.54%) Business Intelligence Developer
4 3 (11.54%) Tableau Developer
5 2 (7.69%) AWS Engineer
5 2 (7.69%) Data Engineer
5 2 (7.69%) Data Warehouse Developer
5 2 (7.69%) Linux Engineer
5 2 (7.69%) SQL Developer
5 2 (7.69%) SQL Server DBA
5 2 (7.69%) SQL Server Developer
Libraries, Frameworks & Software Standards
1 6 (23.08%) Apache Camel
1 6 (23.08%) J2EE
1 6 (23.08%) Web Services
2 2 (7.69%) .NET
2 2 (7.69%) Kafka
2 2 (7.69%) MDX
3 1 (3.85%) CSS
3 1 (3.85%) DHTML
3 1 (3.85%) Elastic Stack
3 1 (3.85%) HTML
3 1 (3.85%) JAXB
3 1 (3.85%) JAX-WS
3 1 (3.85%) JDBC
3 1 (3.85%) Middleware
3 1 (3.85%) POJO
3 1 (3.85%) SOAP
3 1 (3.85%) Spring
3 1 (3.85%) WSDL
3 1 (3.85%) XML
3 1 (3.85%) XSLT
Miscellaneous
1 1 (3.85%) Clustering
1 1 (3.85%) Data Centre
1 1 (3.85%) Data Structures
1 1 (3.85%) Management Information System
1 1 (3.85%) User Experience
Operating Systems
1 4 (15.38%) Linux
2 2 (7.69%) Windows
3 1 (3.85%) Android
3 1 (3.85%) Apple iOS
3 1 (3.85%) Windows 2000 Server
3 1 (3.85%) Windows Server
3 1 (3.85%) Windows Server 2003
3 1 (3.85%) Windows Server 2008
3 1 (3.85%) Windows Server 2012
Processes & Methodologies
1 17 (65.38%) Agile Software Development
2 11 (42.31%) ETL
3 8 (30.77%) Business Intelligence
4 7 (26.92%) TDD
5 6 (23.08%) Data Analysis
5 6 (23.08%) High Availability
5 6 (23.08%) Performance Tuning
6 5 (19.23%) Microservices
6 5 (19.23%) OO
6 5 (19.23%) Performance Optimisation
7 4 (15.38%) Performance Monitoring
7 4 (15.38%) Scrum
7 4 (15.38%) Visualisation
8 3 (11.54%) Analytics
8 3 (11.54%) Data Analytics
8 3 (11.54%) Migration
9 2 (7.69%) Data Integration
9 2 (7.69%) Data Migration
9 2 (7.69%) Kanban
9 2 (7.69%) Test Scripting
Programming Languages
1 6 (23.08%) Java
2 3 (11.54%) T-SQL
3 1 (3.85%) ANSI SQL
3 1 (3.85%) C
3 1 (3.85%) C#
3 1 (3.85%) JavaScript
3 1 (3.85%) PL/SQL
3 1 (3.85%) R
Qualifications
1 1 (3.85%) ISEB
1 1 (3.85%) ISTQB
Quality Assurance & Compliance
1 1 (3.85%) QA
System Software
1 1 (3.85%) Virtual Machines
1 1 (3.85%) VMware Infrastructure
1 1 (3.85%) vSphere
1 1 (3.85%) XenServer
Systems Management
1 1 (3.85%) Failover Clustering
1 1 (3.85%) Kibana
1 1 (3.85%) logstash
1 1 (3.85%) Perfmon
1 1 (3.85%) SCCM
1 1 (3.85%) SCOM
1 1 (3.85%) Webmin
Vendors
1 5 (19.23%) Tableau
2 3 (11.54%) Microsoft
2 3 (11.54%) Oracle
2 3 (11.54%) Talend
3 2 (7.69%) Ab Initio
4 1 (3.85%) EqualLogic
4 1 (3.85%) Google
4 1 (3.85%) HP
4 1 (3.85%) IBM
4 1 (3.85%) Informatica
4 1 (3.85%) JD Edwards
4 1 (3.85%) Telerik
4 1 (3.85%) Twitter
4 1 (3.85%) VMware