Period
to 19 October 2018

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for VLDB skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited VLDB over the 6 months to 19 October 2018 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.

Very Large Database (VLDB)
Central London > City of London
6 months to
19 Oct 2018
Same period 2017 Same period 2016
Rank 253 - 239
Rank change year-on-year - +239 +39
Contract jobs citing VLDB 2 0 1
As % of all contract IT jobs advertised in the City of London 0.029% - 0.015%
As % of the Database & Business Intelligence category 0.11% - 0.059%
Number of daily rates quoted 2 0 1
City of London median daily rate £525 - £450
10th Percentile £480 - £425
90th Percentile £570 - £475
Central London median daily rate £525 - £450
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate - - -

VLDB is in the Databases and Business Intelligence category. The following 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 database or business intelligence skills.

All Database and Business Intelligence Skills
City of London
Contract vacancies with a requirement for database or business intelligence skills 1,791 1,700 1,682
As % of all contract IT jobs advertised in the City of London 25.59% 24.76% 25.24%
Number of daily rates quoted 1,411 1,352 1,328
City of London median daily rate £525 £525 £474
Median daily rate % change year-on-year - +10.82% +2.43%
10th Percentile £375 £363 £325
90th Percentile £675 £688 £650
Central London median daily rate £525 £513 £459
% change year-on-year +2.44% +11.72% +1.94%
Number of hourly rates quoted 13 9 2
City of London median hourly rate £22.50 £27.50 £30.88
Median hourly rate % change year-on-year -18.18% -10.93% +23.50%
10th Percentile £19.50 £20.75 £18.76
90th Percentile £41.17 £33.25 £44.49
Central London median hourly rate £22.50 £27.50 £30.88
% change year-on-year -18.18% -10.93% +37.22%

VLDB
Job Vacancy Trend in the City of London

Job postings citing VLDB as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for VLDB in the City of London

VLDB
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 VLDB in the City of London.

Contractor daily rate trend for VLDB in the City of London

For the 6 months to 19 October 2018, IT contractor jobs citing VLDB also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the City of London region with a requirement for VLDB.

1 2 (100.00%) Oracle
1 2 (100.00%) SQL Server
1 2 (100.00%) Perl
1 2 (100.00%) SQL
1 2 (100.00%) Python
1 2 (100.00%) RDBMS
1 2 (100.00%) Microsoft
1 2 (100.00%) Sun
1 2 (100.00%) Finance
1 2 (100.00%) Migration
1 2 (100.00%) Oracle RMAN
1 2 (100.00%) Korn
1 2 (100.00%) Incident Management
1 2 (100.00%) Oracle RAC
1 2 (100.00%) Data Guard
1 2 (100.00%) Bash Shell
1 2 (100.00%) Banking
1 2 (100.00%) Change Control
1 2 (100.00%) Root Cause Analysis
1 2 (100.00%) Relational Database
1 2 (100.00%) Database Mirroring
2 1 (50.00%) Data Centre
2 1 (50.00%) Oracle Database
2 1 (50.00%) Workflow Management
2 1 (50.00%) MongoDB
2 1 (50.00%) Continuous Improvement
2 1 (50.00%) Oracle Workflow
2 1 (50.00%) Firewall
2 1 (50.00%) Workflow
2 1 (50.00%) Microsoft Certification

VLDB
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 (50.00%) Oracle Workflow
Communications & Networking
1 1 (50.00%) DMZ
1 1 (50.00%) Firewall
1 1 (50.00%) SAN
1 1 (50.00%) TCP/IP
Database & Business Intelligence
1 2 (100.00%) RDBMS
1 2 (100.00%) Relational Database
1 2 (100.00%) SQL Server
2 1 (50.00%) MongoDB
2 1 (50.00%) MySQL
2 1 (50.00%) Oracle Database
General
1 2 (100.00%) Banking
1 2 (100.00%) Finance
Job Titles
1 2 (100.00%) DBA
1 2 (100.00%) Oracle DBA
2 1 (50.00%) Oracle Financials DBA
2 1 (50.00%) SQL DBA
Miscellaneous
1 1 (50.00%) Data Centre
Processes & Methodologies
1 2 (100.00%) Change Control
1 2 (100.00%) Database Mirroring
1 2 (100.00%) Incident Management
1 2 (100.00%) Migration
1 2 (100.00%) Root Cause Analysis
2 1 (50.00%) Continuous Improvement
2 1 (50.00%) Workflow
2 1 (50.00%) Workflow Management
Programming Languages
1 2 (100.00%) Bash Shell
1 2 (100.00%) Korn
1 2 (100.00%) Perl
1 2 (100.00%) Python
1 2 (100.00%) SQL
Qualifications
1 1 (50.00%) MCSA
1 1 (50.00%) MCSE
1 1 (50.00%) Microsoft Certification
1 1 (50.00%) OCP
1 1 (50.00%) Oracle Certification
System Software
1 2 (100.00%) Oracle RAC
Systems Management
1 2 (100.00%) Data Guard
1 2 (100.00%) Oracle RMAN
Vendors
1 2 (100.00%) Microsoft
1 2 (100.00%) Oracle
1 2 (100.00%) Sun