The following table provides summary statistics for contract job vacancies advertised in the City of 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 23 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
London / City of London
3 months to
23 Jun 2017
Same period 2016 Same period 2015
Rank 165 157 194
Rank change year-on-year -8 +37  
Contract jobs citing Database Tuning 1 7 7
As % of all contract IT jobs advertised in the City of London 0.030% 0.21% 0.12%
As % of the Processes & Methodologies category 0.034% 0.24% 0.15%
Number of daily rates quoted 1 7 4
Median daily rate £450 £425 £444
Median daily rate % change year-on-year +5.88% -4.22%  
UK excluding London median daily rate £438 £400 £375
% change year-on-year +9.37% +6.66%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £17.00 £22.50 £65.00
% change year-on-year -24.44% -65.38%  

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 the City of London with a requirement for process and methodology skills.

Contract Process & Methodology Skills
City of London
Contract job vacancies with a requirement for process and methodology skills 2907 2906 4704
As % of all contract IT job vacancies advertised in the City of London 88.09% 85.87% 80.95%
Number of daily rates quoted 2235 2375 3702
Median daily rate £500 £475 £473
Median daily rate % change year-on-year +5.26% +0.52%  
90% offered a daily rate of more than £350 £335 £325
10% offered a daily rate of more than £650 £625 £625
UK excluding London median daily rate £415 £400 £383
% change year-on-year +3.75% +4.57%  
Number of hourly rates quoted 25 25 56
Median hourly rate £20.00 £19.00 £24.50
Median hourly rate % change year-on-year +5.26% -22.44%  
90% offered a hourly rate of more than £14.75 £12.50 £15.00
10% offered a hourly rate of more than £41.00 £31.50 £55.50
UK excluding London median hourly rate £33.50 £28.50 £30.00
% change year-on-year +17.54% -5.00%  

Database Tuning
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing Database Tuning as a proportion of all contract or permanent IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for Database Tuning in the City of London

Database Tuning
Contractor Daily Rate Trend in the City of London

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

Contractor daily rate trend for Database Tuning in the City of London

Database Tuning
Contractor Hourly Rate Trend in the City of London

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

Contractor hourly rate trend for Database Tuning in the City of London

For the 6 months to 23 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 City of London region with a requirement for Database Tuning.

1 4 (100.00%) SQL
2 3 (75.00%) Performance Tuning
3 2 (50.00%) Database Security
3 2 (50.00%) WorldPay
3 2 (50.00%) Software Engineering
3 2 (50.00%) PCI DSS
3 2 (50.00%) T-SQL
3 2 (50.00%) SQL Server
3 2 (50.00%) Data Modelling
3 2 (50.00%) Unix
3 2 (50.00%) Finance
3 2 (50.00%) Agile Software Development
4 1 (25.00%) SQL Server Reporting Services
4 1 (25.00%) Spring
4 1 (25.00%) Java
4 1 (25.00%) Perl
4 1 (25.00%) PL/SQL
4 1 (25.00%) Replication
4 1 (25.00%) VMware
4 1 (25.00%) Disaster Recovery
4 1 (25.00%) Front Office
4 1 (25.00%) Linux
4 1 (25.00%) OO
4 1 (25.00%) J2SE
4 1 (25.00%) SharePoint
4 1 (25.00%) JMS
4 1 (25.00%) MS Exchange
4 1 (25.00%) OOD
4 1 (25.00%) ETL
4 1 (25.00%) LAN

Database Tuning
Co-occurring IT Skills in the City of 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 1 (25.00%) Confluence
1 1 (25.00%) MS Exchange
1 1 (25.00%) SharePoint
Cloud Services
1 1 (25.00%) Office 365
Communications & Networking
1 1 (25.00%) LAN
1 1 (25.00%) WAN
Database & Business Intelligence
1 2 (50.00%) SQL Server
2 1 (25.00%) DB2
2 1 (25.00%) Oracle Database
2 1 (25.00%) Oracle Database 11g
2 1 (25.00%) RDBMS
2 1 (25.00%) Relational Database
2 1 (25.00%) SQL Server 2012
2 1 (25.00%) SQL Server 2014
2 1 (25.00%) SQL Server 2016
2 1 (25.00%) SQL Server Integration Services
2 1 (25.00%) SQL Server Reporting Services
2 1 (25.00%) VLDB
Development Applications
1 1 (25.00%) Git (software)
1 1 (25.00%) JIRA
1 1 (25.00%) JUnit
General
1 2 (50.00%) Finance
2 1 (25.00%) Front Office
Job Titles
1 2 (50.00%) DBA
2 1 (25.00%) Architect
2 1 (25.00%) Consultant
2 1 (25.00%) Developer
2 1 (25.00%) Development DBA
2 1 (25.00%) Front Office Developer
2 1 (25.00%) Java Developer
2 1 (25.00%) SQL DBA
2 1 (25.00%) SQL Server DBA
Libraries, Frameworks & Software Standards
1 1 (25.00%) .NET
1 1 (25.00%) J2SE
1 1 (25.00%) JMS
1 1 (25.00%) Oracle GoldenGate
1 1 (25.00%) Spring
Miscellaneous
1 1 (25.00%) Analytical Skills
1 1 (25.00%) Data Centre
1 1 (25.00%) Derivative
1 1 (25.00%) Equity Derivative
1 1 (25.00%) Replication
Operating Systems
1 2 (50.00%) Unix
2 1 (25.00%) Linux
Processes & Methodologies
1 3 (75.00%) Performance Tuning
2 2 (50.00%) Agile Software Development
2 2 (50.00%) Data Modelling
2 2 (50.00%) Database Security
2 2 (50.00%) Software Engineering
3 1 (25.00%) Application Packaging
3 1 (25.00%) Business Analysis
3 1 (25.00%) Disaster Recovery
3 1 (25.00%) ETL
3 1 (25.00%) High Availability
3 1 (25.00%) ITIL
3 1 (25.00%) Mathematics
3 1 (25.00%) Mentoring
3 1 (25.00%) OO
3 1 (25.00%) OOD
3 1 (25.00%) Open Source
3 1 (25.00%) SDLC
3 1 (25.00%) Security Auditing
3 1 (25.00%) Server Virtualisation
Programming Languages
1 4 (100.00%) SQL
2 2 (50.00%) T-SQL
3 1 (25.00%) Java
3 1 (25.00%) Perl
3 1 (25.00%) PL/SQL
3 1 (25.00%) PowerShell
3 1 (25.00%) Shell Script
Qualifications
1 1 (25.00%) Degree
1 1 (25.00%) SC Cleared
1 1 (25.00%) Security Cleared
Quality Assurance & Compliance
1 2 (50.00%) PCI DSS
2 1 (25.00%) QA
System Software
1 1 (25.00%) Hyper-V
1 1 (25.00%) Oracle RAC
1 1 (25.00%) Virtual Servers
1 1 (25.00%) VMware Infrastructure
Vendors
1 2 (50.00%) WorldPay
2 1 (25.00%) Microsoft
2 1 (25.00%) Oracle
2 1 (25.00%) Sybase
2 1 (25.00%) VMware