The following table provides summary statistics for contract job vacancies advertised in London with a requirement for Database Tuning skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Database Tuning over the 3 months to 29 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.

Database Performance Tuning
England > London
3 months to
29 Jun 2017
Same period 2016 Same period 2015
Rank 414 393 405
Rank change year-on-year -21 +12  
Contract jobs citing Database Tuning 13 39 31
As % of all contract IT jobs advertised in London 0.063% 0.18% 0.13%
As % of the Processes & Methodologies category 0.072% 0.21% 0.16%
Number of daily rates quoted 5 21 9
London median daily rate £450 £425 £413
Median daily rate % change year-on-year +5.88% +3.03%  
10th Percentile £400 £313 £353
90th Percentile £573 £625 £555
England median daily rate £500 £413 £375
% change year-on-year +21.21% +10.00%  
Number of hourly rates quoted 0 0 0
London median hourly rate - - -
England median hourly rate £17.00 £22.50 -
% change year-on-year -24.44% -  

Database Tuning is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in London with a requirement for process and methodology skills.

Contract Process & Methodology Skills
London
Contract job vacancies with a requirement for process and methodology skills 18036 18488 19232
As % of all contract IT job vacancies advertised in London 86.76% 85.45% 82.13%
Number of daily rates quoted 50342 52165 48000
London median daily rate £500 £475 £450
Median daily rate % change year-on-year +5.26% +5.55%  
10th Percentile £333 £313 £300
90th Percentile £650 £650 £638
England median daily rate £450 £450 £415
% change year-on-year - +8.43%  
Number of hourly rates quoted 501 397 607
London median hourly rate £26.50 £21.00 £21.69
Median hourly rate % change year-on-year +26.19% -3.18%  
10th Percentile £14.00 £11.25 £10.50
90th Percentile £53.75 £46.88 £58.75
England median hourly rate £32.00 £27.50 £25.00
% change year-on-year +16.36% +10.00%  

Database Tuning
Job Vacancy Trend in London

Job postings citing Database Tuning as a percentage of all IT jobs advertised in London.

Job vacancy trend for Database Tuning in London

Database Tuning
Contractor Daily Rate Trend in London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Database Tuning in London.

Contractor daily rate trend for Database Tuning in London

Database Tuning
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing Database Tuning in London over the 3 months to 29 June 2017.

Contractor daily rate histogram for Database Tuning in London

Database Tuning
Contractor Hourly Rate Trend in London

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Database Tuning in London.

Contractor hourly rate trend for Database Tuning in London

Database Tuning
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Database Tuning within the London region over the 3 months to 29 June 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Canary Wharf -1 1 £625 +16.27%
City of London -11 1 £450 +5.88% 1
Database Tuning
England

For the 6 months to 29 June 2017, IT contractor jobs citing Database Tuning 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 London region with a requirement for Database Tuning.

1 35 (100.00%) SQL
2 27 (77.14%) Unix
3 23 (65.71%) Software Engineering
3 23 (65.71%) SDLC
4 22 (62.86%) OO
5 19 (54.29%) Oracle
6 17 (48.57%) Oracle Database
7 15 (42.86%) Performance Tuning
7 15 (42.86%) Agile Software Development
7 15 (42.86%) Java
8 14 (40.00%) Linux
9 13 (37.14%) C++
9 13 (37.14%) STL
9 13 (37.14%) OLTP
9 13 (37.14%) Release Management
10 11 (31.43%) RDBMS
10 11 (31.43%) Sybase
10 11 (31.43%) DB2
10 11 (31.43%) Perl
10 11 (31.43%) J2SE
10 11 (31.43%) Equity Derivative
10 11 (31.43%) Relational Database
10 11 (31.43%) Analytical Skills
11 10 (28.57%) Spring
11 10 (28.57%) JUnit
11 10 (28.57%) Front Office
11 10 (28.57%) Finance
12 9 (25.71%) JMS
12 9 (25.71%) OOD
13 7 (20.00%) Greenfield Project

Database Tuning
Co-occurring IT Skills in London 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 (5.71%) IIS
1 2 (5.71%) WebLogic
1 2 (5.71%) WebSphere
2 1 (2.86%) Confluence
2 1 (2.86%) MS Exchange
2 1 (2.86%) SharePoint
Cloud Services
1 2 (5.71%) Amazon AWS
1 2 (5.71%) Amazon S3
2 1 (2.86%) Office 365
Communications & Networking
1 2 (5.71%) HTTP
2 1 (2.86%) LAN
2 1 (2.86%) WAN
Database & Business Intelligence
1 17 (48.57%) Oracle Database
2 13 (37.14%) OLTP
3 11 (31.43%) DB2
3 11 (31.43%) RDBMS
3 11 (31.43%) Relational Database
4 3 (8.57%) SQL Server
5 2 (5.71%) Oracle Database 11g
5 2 (5.71%) SQL Server 2012
5 2 (5.71%) SQL Server 2014
5 2 (5.71%) SQL Server Integration Services
6 1 (2.86%) Business Intelligence Development Studio
6 1 (2.86%) Oracle Database 12c
6 1 (2.86%) Oracle Exadata
6 1 (2.86%) Oracle Reports
6 1 (2.86%) SQL Server 2005
6 1 (2.86%) SQL Server 2008
6 1 (2.86%) SQL Server 2016
6 1 (2.86%) SQL Server Reporting Services
6 1 (2.86%) Star Schema
6 1 (2.86%) VLDB
Development Applications
1 10 (28.57%) JUnit
2 4 (11.43%) JIRA
3 3 (8.57%) Git (software)
4 2 (5.71%) Atlassian Bamboo
4 2 (5.71%) Toad
5 1 (2.86%) Subversion
5 1 (2.86%) Team Foundation Server
5 1 (2.86%) Visual Studio
General
1 10 (28.57%) Finance
1 10 (28.57%) Front Office
2 2 (5.71%) Banking
2 2 (5.71%) Investment Banking
3 1 (2.86%) Retail
Job Titles
1 26 (74.29%) Developer
2 13 (37.14%) C++ Developer
3 12 (34.29%) Java Developer
4 3 (8.57%) Consultant
4 3 (8.57%) DBA
5 2 (5.71%) Administrator
5 2 (5.71%) AWS Administrator
5 2 (5.71%) Database Consultant
5 2 (5.71%) Linux Administrator
5 2 (5.71%) Oracle Consultant
5 2 (5.71%) Oracle Developer
5 2 (5.71%) SQL Developer
6 1 (2.86%) Core Java Developer
6 1 (2.86%) Development DBA
6 1 (2.86%) ETL Developer
6 1 (2.86%) Investment Banking Java Developer
6 1 (2.86%) Java Scala Developer
6 1 (2.86%) Scala Developer
6 1 (2.86%) SQL DBA
6 1 (2.86%) Technical Manager
Libraries, Frameworks & Software Standards
1 13 (37.14%) STL
2 11 (31.43%) J2SE
3 10 (28.57%) Spring
4 9 (25.71%) JMS
5 4 (11.43%) JDBC
6 2 (5.71%) Oracle GoldenGate
6 2 (5.71%) XML
7 1 (2.86%) .NET
Miscellaneous
1 11 (31.43%) Analytical Skills
1 11 (31.43%) Equity Derivative
2 7 (20.00%) Greenfield Project
3 2 (5.71%) Derivative
3 2 (5.71%) iSeries
3 2 (5.71%) Public Cloud
4 1 (2.86%) Computer Science
4 1 (2.86%) Data Centre
4 1 (2.86%) Replication
Operating Systems
1 27 (77.14%) Unix
2 14 (40.00%) Linux
3 2 (5.71%) Windows
4 1 (2.86%) AIX
Processes & Methodologies
1 23 (65.71%) SDLC
1 23 (65.71%) Software Engineering
2 22 (62.86%) OO
3 15 (42.86%) Agile Software Development
3 15 (42.86%) Performance Tuning
4 13 (37.14%) Release Management
5 9 (25.71%) OOD
6 3 (8.57%) Data Modelling
7 2 (5.71%) Database Security
7 2 (5.71%) DevOps
7 2 (5.71%) E-business
7 2 (5.71%) E-Commerce
7 2 (5.71%) ETL
7 2 (5.71%) High Availability
7 2 (5.71%) Mathematics
7 2 (5.71%) Scrum
8 1 (2.86%) Capacity Planning
8 1 (2.86%) Kimball Methodology
8 1 (2.86%) Mentoring
8 1 (2.86%) Open Source
Programming Languages
1 35 (100.00%) SQL
2 15 (42.86%) Java
3 13 (37.14%) C++
4 11 (31.43%) Perl
5 6 (17.14%) Shell Script
6 4 (11.43%) PL/SQL
7 3 (8.57%) Python
8 2 (5.71%) Bash Shell
8 2 (5.71%) Jython
8 2 (5.71%) T-SQL
9 1 (2.86%) PowerShell
9 1 (2.86%) Scala
9 1 (2.86%) VB
Qualifications
1 1 (2.86%) Degree
1 1 (2.86%) SC Cleared
1 1 (2.86%) Security Cleared
Quality Assurance & Compliance
1 2 (5.71%) PCI DSS
2 1 (2.86%) MiFID
2 1 (2.86%) QA
System Software
1 3 (8.57%) Oracle RAC
2 1 (2.86%) Hyper-V
2 1 (2.86%) Virtual Servers
2 1 (2.86%) VMware Infrastructure
Systems Management
1 2 (5.71%) Data Guard
1 2 (5.71%) Oracle RMAN
2 1 (2.86%) Oracle Enterprise Manager
Vendors
1 19 (54.29%) Oracle
2 11 (31.43%) Sybase
3 4 (11.43%) Microsoft
4 2 (5.71%) WorldPay
5 1 (2.86%) IBM
5 1 (2.86%) VMware