Period
to 27 July 2021

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for RDBMS skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited RDBMS over the 6 months to 27 July 2021 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.

Relational Database Management System (RDBMS)
Central London > City of London
6 months to
27 Jul 2021
Same period 2020 Same period 2019
Rank 161 124 199
Rank change year-on-year -37 +75 +12
Contract jobs citing RDBMS 10 13 42
As % of all contract jobs advertised in the City of London 0.29% 0.54% 0.63%
As % of the Database & Business Intelligence category 1.36% 2.12% 2.31%
Number of daily rates quoted 7 5 31
10th Percentile £442 £231 £406
25th Percentile £481 £400 £506
Median daily rate (50th Percentile) £625 £475 £575
Median % change year-on-year +31.58% -17.39% -
75th Percentile £706 £575 £650
90th Percentile £763 £620 "
Central London median daily rate £625 £563 £550
% change year-on-year +11.11% +2.27% -2.22%

RDBMS 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 738 612 1,820
As % of all contract IT jobs advertised in the City of London 21.64% 25.47% 27.43%
Number of daily rates quoted 507 458 1,447
10th Percentile £406 £386 £399
25th Percentile £463 £427 £456
Median daily rate (50th Percentile) £550 £516 £525
Median % change year-on-year +6.54% -1.67% -
75th Percentile £650 £600 £613
90th Percentile £715 £688 £675
Central London median daily rate £550 £520 £525
% change year-on-year +5.77% -0.95% -
Number of hourly rates quoted 7 7 12
Median hourly rate £8.00 £37.50 £35.00
Median % change year-on-year -78.67% +7.14% +59.09%
Central London median hourly rate £14.00 £37.50 £35.00
% change year-on-year -62.67% +7.14% +57.30%

RDBMS
Job Vacancy Trend in the City of London

Job postings citing RDBMS as a proportion of all IT jobs advertised in the City of London.

Job vacancy trend for RDBMS in the City of London

RDBMS
Contractor Daily Rate Trend in the City of London

3-month moving average daily rate quoted in jobs citing RDBMS in the City of London.

Daily rate trend for RDBMS in the City of London

RDBMS
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing RDBMS in the City of London over the 6 months to 27 July 2021.

Daily rate histogram for RDBMS in the City of London

RDBMS
Contractor Hourly Rate Trend in the City of London

3-month moving average hourly rates quoted in jobs citing RDBMS in the City of London.

Hourly rate trend for RDBMS in the City of London

For the 6 months to 27 July 2021, IT contractor jobs citing RDBMS 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 RDBMS.

1 10 (100.00%) Relational Database
2 7 (70.00%) Finance
3 6 (60.00%) Java
3 6 (60.00%) SQL
4 5 (50.00%) Oracle
4 5 (50.00%) Agile Software Development
5 4 (40.00%) Spring
5 4 (40.00%) Banking
6 3 (30.00%) JIRA
6 3 (30.00%) Oracle Database 11g
6 3 (30.00%) Investment Banking
6 3 (30.00%) Git (software)
6 3 (30.00%) Test Automation
6 3 (30.00%) HTML5
6 3 (30.00%) Shell Script
6 3 (30.00%) SQL Server
6 3 (30.00%) JavaScript
6 3 (30.00%) HTML
6 3 (30.00%) Problem-Solving
6 3 (30.00%) Social Skills
6 3 (30.00%) Analytics
6 3 (30.00%) Oracle Database 12c
6 3 (30.00%) Oracle Database
6 3 (30.00%) Performance Tuning
6 3 (30.00%) Analytical Skills
7 2 (20.00%) Microservices
7 2 (20.00%) Jenkins
7 2 (20.00%) Oracle SOA Suite
7 2 (20.00%) Kafka
7 2 (20.00%) DevOps

RDBMS
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 2 (20.00%) Oracle SOA Suite
2 1 (10.00%) CMS
2 1 (10.00%) Confluence
2 1 (10.00%) Jupyter
2 1 (10.00%) Tomcat
2 1 (10.00%) WebLogic
Applications
1 1 (10.00%) Microsoft Excel
Cloud Services
1 1 (10.00%) Amazon ECS
1 1 (10.00%) Amazon ElastiCache
1 1 (10.00%) Amazon Kinesis
1 1 (10.00%) AWS
1 1 (10.00%) AWS CloudFormation
1 1 (10.00%) Azure
1 1 (10.00%) Power Platform
1 1 (10.00%) SaaS
Communications & Networking
1 2 (20.00%) HTTP
Database & Business Intelligence
1 10 (100.00%) Relational Database
2 3 (30.00%) Oracle Database
2 3 (30.00%) Oracle Database 11g
2 3 (30.00%) Oracle Database 12c
2 3 (30.00%) SQL Server
3 2 (20.00%) Data Warehouse
4 1 (10.00%) Big Data
4 1 (10.00%) BusinessObjects Business Intelligence
4 1 (10.00%) Hazelcast
4 1 (10.00%) MySQL
4 1 (10.00%) NoSQL
4 1 (10.00%) Oracle Exadata
4 1 (10.00%) PostgreSQL
4 1 (10.00%) Power BI
4 1 (10.00%) Tableau
Development Applications
1 3 (30.00%) Git (software)
1 3 (30.00%) JIRA
2 2 (20.00%) Jenkins
3 1 (10.00%) IntelliJ
3 1 (10.00%) Maven
3 1 (10.00%) Subversion
3 1 (10.00%) TeamCity
General
1 7 (70.00%) Finance
2 4 (40.00%) Banking
3 3 (30.00%) Analytical Skills
3 3 (30.00%) Investment Banking
3 3 (30.00%) Social Skills
4 1 (10.00%) Documentation Skills
4 1 (10.00%) Front Office
4 1 (10.00%) Pharmaceutical
4 1 (10.00%) Prime Brokerage
Job Titles
1 5 (50.00%) Developer
2 4 (40.00%) Java Developer
3 2 (20.00%) Oracle Developer
4 1 (10.00%) Analyst
4 1 (10.00%) Architect
4 1 (10.00%) Business Intelligence Consultant
4 1 (10.00%) Consultant
4 1 (10.00%) Data Engineer
4 1 (10.00%) DBA
4 1 (10.00%) Oracle DBA
4 1 (10.00%) Prime Brokerage Java Developer
4 1 (10.00%) SAP BI Consultant
4 1 (10.00%) SAP Consultant
4 1 (10.00%) SAP Technical Consultant
4 1 (10.00%) Senior Analyst
4 1 (10.00%) Senior Test Analyst
4 1 (10.00%) Solutions Architect
4 1 (10.00%) Technical Consultant
4 1 (10.00%) Test Analyst
Libraries, Frameworks & Software Standards
1 4 (40.00%) Spring
2 3 (30.00%) HTML
2 3 (30.00%) HTML5
3 2 (20.00%) JMS
3 2 (20.00%) Kafka
4 1 (10.00%) .NET
4 1 (10.00%) AngularJS
4 1 (10.00%) BAPI
4 1 (10.00%) CSS
4 1 (10.00%) J2EE
4 1 (10.00%) Lambda Expressions
4 1 (10.00%) MEAN Stack
4 1 (10.00%) Oracle GoldenGate
4 1 (10.00%) Pandas
4 1 (10.00%) React
4 1 (10.00%) scikit-learn
4 1 (10.00%) SOAP
4 1 (10.00%) Spring Boot
4 1 (10.00%) Web Services
4 1 (10.00%) XML
Miscellaneous
1 2 (20.00%) Credit Risk
1 2 (20.00%) Enterprise Software
2 1 (10.00%) Clustering
2 1 (10.00%) Data Structures
2 1 (10.00%) Equities
2 1 (10.00%) Fixed Income
2 1 (10.00%) FMCG
2 1 (10.00%) Foreign Exchange (FX)
2 1 (10.00%) Legacy Systems
Operating Systems
1 2 (20.00%) Unix
2 1 (10.00%) Linux
2 1 (10.00%) Red Hat Enterprise Linux
Processes & Methodologies
1 5 (50.00%) Agile Software Development
2 3 (30.00%) Analytics
2 3 (30.00%) Performance Tuning
2 3 (30.00%) Problem-Solving
2 3 (30.00%) Test Automation
3 2 (20.00%) Business Intelligence
3 2 (20.00%) Continuous Integration
3 2 (20.00%) Data Modelling
3 2 (20.00%) DevOps
3 2 (20.00%) E-Commerce
3 2 (20.00%) ETL
3 2 (20.00%) Microservices
3 2 (20.00%) Multithreading
3 2 (20.00%) OO
3 2 (20.00%) Regression Testing
3 2 (20.00%) Scrum
3 2 (20.00%) SOA
3 2 (20.00%) TDD
3 2 (20.00%) Web Development
4 1 (10.00%) UML
Programming Languages
1 6 (60.00%) Java
1 6 (60.00%) SQL
2 3 (30.00%) JavaScript
2 3 (30.00%) Shell Script
3 2 (20.00%) PL/SQL
4 1 (10.00%) ABAP
4 1 (10.00%) Perl
4 1 (10.00%) Python
4 1 (10.00%) VBA
Qualifications
1 1 (10.00%) OCP
1 1 (10.00%) Oracle Certification
Quality Assurance & Compliance
1 1 (10.00%) QA
System Software
1 1 (10.00%) Docker
1 1 (10.00%) Oracle RAC
Systems Management
1 1 (10.00%) Data Guard
1 1 (10.00%) Kubernetes
1 1 (10.00%) Oracle RMAN
Vendors
1 5 (50.00%) Oracle
2 1 (10.00%) Alteryx
2 1 (10.00%) Bloomberg
2 1 (10.00%) Dataiku
2 1 (10.00%) EMC
2 1 (10.00%) ION Trading
2 1 (10.00%) MarketAxess
2 1 (10.00%) Microsoft
2 1 (10.00%) Red Hat
2 1 (10.00%) SAP
2 1 (10.00%) TIBCO
2 1 (10.00%) Tradeweb