Period
to 10 August 2020

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 10 August 2020 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
10 Aug 2020
Same period 2019 Same period 2018
Rank 117 199 205
Rank change year-on-year +82 +6 -27
Contract jobs citing RDBMS 12 38 51
As % of all contract jobs advertised in the City of London 0.54% 0.58% 0.73%
As % of the Database & Business Intelligence category 2.14% 2.19% 2.80%
Number of daily rates quoted 5 28 39
Median daily rate £525 £575 £575
Median daily rate % change year-on-year -8.70% - +9.52%
10th Percentile £425 £404 £433
90th Percentile £560 £650 £725
Central London median daily rate £550 £550 £575
% change year-on-year - -4.35% +9.52%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
Central London median hourly rate - - -

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 561 1,732 1,823
As % of all contract IT jobs advertised in the City of London 25.38% 26.53% 25.94%
Number of daily rates quoted 386 1,378 1,450
Median daily rate £510 £525 £525
Median daily rate % change year-on-year -2.86% - +2.44%
10th Percentile £375 £400 £369
90th Percentile £688 £680 £688
Central London median daily rate £518 £525 £525
% change year-on-year -1.43% - +5.00%
Number of hourly rates quoted 10 12 13
Median hourly rate £35.00 £46.85 £22.00
Median hourly rate % change year-on-year -25.29% +112.94% -4.32%
10th Percentile £21.35 £23.28 £19.50
90th Percentile £40.10 £60.33 £33.00
Median hourly rate £35.00 £35.00 £22.00
% change year-on-year - +59.09% -4.32%

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 10 August 2020.

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 10 August 2020, 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 12 (100.00%) Relational Database
2 8 (66.67%) Java
3 7 (58.33%) OO
3 7 (58.33%) Oracle
3 7 (58.33%) SQL Server
3 7 (58.33%) HTML
3 7 (58.33%) Multithreaded Programming
3 7 (58.33%) Multithreading
3 7 (58.33%) HTML5
3 7 (58.33%) Enterprise Software
4 6 (50.00%) Electronic Trading
4 6 (50.00%) Unit Testing
4 6 (50.00%) Concurrent Programming
4 6 (50.00%) Data Structures
4 6 (50.00%) Banking
4 6 (50.00%) Fixed Income
4 6 (50.00%) Software Engineering
4 6 (50.00%) QA
4 6 (50.00%) OOD
5 5 (41.67%) Swing
5 5 (41.67%) Ant
5 5 (41.67%) AWS
6 4 (33.33%) SQL
7 3 (25.00%) Data Warehouse
7 3 (25.00%) Agile Software Development
7 3 (25.00%) REST
7 3 (25.00%) Performance Tuning
8 2 (16.67%) Campaign Management
8 2 (16.67%) AWS CloudFormation
8 2 (16.67%) SAS EBI

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 (16.67%) SAS
Cloud Services
1 5 (41.67%) AWS
2 2 (16.67%) AWS CloudFormation
3 1 (8.33%) Amazon CloudWatch
3 1 (8.33%) Amazon ECS
3 1 (8.33%) Amazon ElastiCache
3 1 (8.33%) Amazon Kinesis
3 1 (8.33%) AWS CloudTrail
3 1 (8.33%) AWS Lambda
3 1 (8.33%) Azure
3 1 (8.33%) Coveralls
3 1 (8.33%) PaaS
3 1 (8.33%) SaaS
3 1 (8.33%) Serverless
3 1 (8.33%) Virtual Private Cloud
Communications & Networking
1 2 (16.67%) DNS
2 1 (8.33%) Firewall
2 1 (8.33%) HTTP
2 1 (8.33%) SSH
Database & Business Intelligence
1 12 (100.00%) Relational Database
2 7 (58.33%) SQL Server
3 3 (25.00%) Data Warehouse
4 2 (16.67%) Big Data
4 2 (16.67%) Hadoop
4 2 (16.67%) SAS EBI
5 1 (8.33%) NoSQL
5 1 (8.33%) PostgreSQL
5 1 (8.33%) SQL Server 2016
5 1 (8.33%) SQL Server Integration Services
5 1 (8.33%) SQL Server Reporting Services
Development Applications
1 5 (41.67%) Ant
2 2 (16.67%) Jenkins
3 1 (8.33%) Bitbucket
3 1 (8.33%) Bitbucket Server
3 1 (8.33%) Git (software)
3 1 (8.33%) Gradle
3 1 (8.33%) JUnit
3 1 (8.33%) Maven
3 1 (8.33%) Oracle Forms
3 1 (8.33%) SonarQube
3 1 (8.33%) Team Foundation Server
3 1 (8.33%) TeamCity
General
1 6 (50.00%) Banking
2 2 (16.67%) Marketing
3 1 (8.33%) Finance
Job Titles
1 7 (58.33%) Developer
2 6 (50.00%) Java Developer
3 3 (25.00%) Architect
4 2 (16.67%) Lead Architect
4 2 (16.67%) Pega Architect
5 1 (8.33%) .NET Applications Developer
5 1 (8.33%) .NET Developer
5 1 (8.33%) Applications Developer
5 1 (8.33%) AWS Developer
5 1 (8.33%) AWS DevOps
5 1 (8.33%) AWS DevOps Engineer
5 1 (8.33%) AWS Engineer
5 1 (8.33%) Azure Architect
5 1 (8.33%) Consultant
5 1 (8.33%) DevOps Engineer
5 1 (8.33%) Java Consultant
5 1 (8.33%) Solutions Architect
5 1 (8.33%) SQL Developer
5 1 (8.33%) SQL Server Developer
5 1 (8.33%) VB.NET Developer
Libraries, Frameworks & Software Standards
1 7 (58.33%) HTML
1 7 (58.33%) HTML5
2 5 (41.67%) Swing
3 3 (25.00%) REST
4 1 (8.33%) .NET
4 1 (8.33%) ASP.NET
4 1 (8.33%) FIX Protocol
4 1 (8.33%) JDBC
4 1 (8.33%) JMS
4 1 (8.33%) Kafka
4 1 (8.33%) Lambda Expressions
4 1 (8.33%) OAuth
4 1 (8.33%) Redux
4 1 (8.33%) SOAP
4 1 (8.33%) Spring
4 1 (8.33%) Spring Boot
Miscellaneous
1 7 (58.33%) Enterprise Software
2 6 (50.00%) Data Structures
2 6 (50.00%) Fixed Income
3 1 (8.33%) Clustering
3 1 (8.33%) Fat Client
3 1 (8.33%) Public Cloud
3 1 (8.33%) Reinsurance
3 1 (8.33%) Thin Client
Operating Systems
1 1 (8.33%) Linux
1 1 (8.33%) Unix
Processes & Methodologies
1 7 (58.33%) Multithreaded Programming
1 7 (58.33%) Multithreading
1 7 (58.33%) OO
2 6 (50.00%) Concurrent Programming
2 6 (50.00%) Electronic Trading
2 6 (50.00%) OOD
2 6 (50.00%) Software Engineering
2 6 (50.00%) Unit Testing
3 3 (25.00%) Agile Software Development
3 3 (25.00%) Performance Tuning
4 2 (16.67%) Analytics
4 2 (16.67%) Business Intelligence
4 2 (16.67%) Campaign Management
4 2 (16.67%) Continuous Integration
4 2 (16.67%) CRM
4 2 (16.67%) Data Integration
4 2 (16.67%) Data Modelling
4 2 (16.67%) ETL
4 2 (16.67%) Stakeholder Engagement
4 2 (16.67%) Web Development
Programming Languages
1 8 (66.67%) Java
2 4 (33.33%) SQL
3 2 (16.67%) JavaScript
4 1 (8.33%) Bash Shell
4 1 (8.33%) Erlang
4 1 (8.33%) Java 8
4 1 (8.33%) Python
4 1 (8.33%) VB
4 1 (8.33%) VB.NET
Qualifications
1 1 (8.33%) Computer Science Degree
1 1 (8.33%) Degree
1 1 (8.33%) Master's Degree
Quality Assurance & Compliance
1 6 (50.00%) QA
System Software
1 1 (8.33%) Docker
Systems Management
1 1 (8.33%) Opscode Chef
1 1 (8.33%) Puppet
1 1 (8.33%) Terraform
Vendors
1 7 (58.33%) Oracle
2 2 (16.67%) Cloudera
2 2 (16.67%) Informatica
2 2 (16.67%) Pega