Period
to 29 November 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 29 November 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
29 Nov 2020
Same period 2019 Same period 2018
Rank 105 198 193
Rank change year-on-year +93 -5 -71
Contract jobs citing RDBMS 19 18 66
As % of all contract jobs advertised in the City of London 0.98% 0.31% 0.93%
As % of the Database & Business Intelligence category 4.01% 1.26% 3.67%
Number of daily rates quoted 8 11 56
Median daily rate £488 £575 £575
Median daily rate % change year-on-year -15.22% - -
10th Percentile £408 £475 £413
90th Percentile £575 £613 £725
Central London median daily rate £525 £550 £575
% change year-on-year -4.55% -4.35% -
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 474 1,430 1,796
As % of all contract IT jobs advertised in the City of London 24.36% 24.84% 25.44%
Number of daily rates quoted 334 1,130 1,433
Median daily rate £525 £525 £525
10th Percentile £345 £388 £373
90th Percentile £688 £675 £675
Central London median daily rate £525 £520 £525
% change year-on-year +0.96% -0.95% -
Number of hourly rates quoted 5 4 11
Median hourly rate £35.00 £37.17 £35.00
Median hourly rate % change year-on-year -5.83% +6.19% +27.27%
10th Percentile £20.80 £21.19 £19.50
90th Percentile £38.85 £91.90 £42.19
Median hourly rate £35.00 £35.00 £35.00

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 29 November 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 29 November 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 19 (100.00%) Relational Database
2 12 (63.16%) Performance Tuning
3 11 (57.89%) Java
3 11 (57.89%) Agile Software Development
4 9 (47.37%) Finance
4 9 (47.37%) Clustering
4 9 (47.37%) JavaScript
4 9 (47.37%) HTML
4 9 (47.37%) Jenkins
4 9 (47.37%) Enterprise Software
4 9 (47.37%) HTML5
4 9 (47.37%) REST
4 9 (47.37%) High Availability
4 9 (47.37%) Web Development
4 9 (47.37%) Continuous Integration
4 9 (47.37%) Multithreading
4 9 (47.37%) Multithreaded Programming
5 8 (42.11%) Microservices
5 8 (42.11%) Scalability Testing
5 8 (42.11%) Banking
5 8 (42.11%) Spring
6 7 (36.84%) Oracle
6 7 (36.84%) SQL Server
7 6 (31.58%) SQL
7 6 (31.58%) OO
7 6 (31.58%) PostgreSQL
7 6 (31.58%) FIX Protocol
7 6 (31.58%) AWS
7 6 (31.58%) PaaS
7 6 (31.58%) Kafka

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 3 (15.79%) Apache
1 3 (15.79%) Red Hat Fuse
1 3 (15.79%) SAS
2 1 (5.26%) Apache Spark
2 1 (5.26%) Confluence
Applications
1 1 (5.26%) MS Visio
Cloud Services
1 6 (31.58%) AWS
1 6 (31.58%) AWS CloudFormation
1 6 (31.58%) PaaS
2 5 (26.32%) Amazon ECS
2 5 (26.32%) Amazon ElastiCache
2 5 (26.32%) Amazon Kinesis
2 5 (26.32%) SaaS
3 1 (5.26%) Amazon CloudWatch
3 1 (5.26%) AWS CloudTrail
3 1 (5.26%) AWS Lambda
3 1 (5.26%) Azure
3 1 (5.26%) Coveralls
3 1 (5.26%) IaaS
3 1 (5.26%) Serverless
3 1 (5.26%) Virtual Private Cloud
Communications & Networking
1 2 (10.53%) DNS
2 1 (5.26%) Firewall
2 1 (5.26%) HTTP
2 1 (5.26%) Kerberos
2 1 (5.26%) SSH
2 1 (5.26%) SSL
Database & Business Intelligence
1 19 (100.00%) Relational Database
2 7 (36.84%) SQL Server
3 6 (31.58%) PostgreSQL
4 5 (26.32%) Data Warehouse
5 4 (21.05%) Big Data
5 4 (21.05%) Hadoop
6 3 (15.79%) SAS EBI
7 1 (5.26%) Apache Hive
7 1 (5.26%) HBase
7 1 (5.26%) MariaDB
7 1 (5.26%) MySQL
7 1 (5.26%) NoSQL
7 1 (5.26%) SQL Server Integration Services
7 1 (5.26%) SQL Server Reporting Services
Development Applications
1 9 (47.37%) Jenkins
2 1 (5.26%) Ant
2 1 (5.26%) Atlassian Bamboo
2 1 (5.26%) Bitbucket Server
2 1 (5.26%) Git (software)
2 1 (5.26%) Gradle
2 1 (5.26%) JIRA
2 1 (5.26%) JUnit
2 1 (5.26%) Maven
2 1 (5.26%) SonarQube
2 1 (5.26%) TeamCity
General
1 9 (47.37%) Finance
2 8 (42.11%) Banking
3 3 (15.79%) Marketing
4 1 (5.26%) Advertising
4 1 (5.26%) Italian Language
4 1 (5.26%) Public Sector
Job Titles
1 10 (52.63%) Developer
2 9 (47.37%) Java Developer
3 4 (21.05%) Applications Developer
3 4 (21.05%) Architect
3 4 (21.05%) Java Applications Developer
4 3 (15.79%) AWS Developer
4 3 (15.79%) Lead Architect
4 3 (15.79%) Pega Architect
5 2 (10.53%) DBA
6 1 (5.26%) Administrator
6 1 (5.26%) Analyst
6 1 (5.26%) AWS DevOps
6 1 (5.26%) AWS DevOps Engineer
6 1 (5.26%) Business Support Analyst
6 1 (5.26%) Charles River Developer
6 1 (5.26%) DevOps Engineer
6 1 (5.26%) Hadoop Administrator
6 1 (5.26%) Solutions Architect
6 1 (5.26%) SQL DBA
6 1 (5.26%) Support Analyst
Libraries, Frameworks & Software Standards
1 9 (47.37%) HTML
1 9 (47.37%) HTML5
1 9 (47.37%) REST
2 8 (42.11%) Spring
3 6 (31.58%) FIX Protocol
3 6 (31.58%) Kafka
4 5 (26.32%) Lambda Expressions
4 5 (26.32%) Redux
4 5 (26.32%) Spring Boot
5 4 (21.05%) JDBC
5 4 (21.05%) JMS
6 3 (15.79%) Ajax
6 3 (15.79%) AngularJS
6 3 (15.79%) Apache Camel
6 3 (15.79%) GWT
6 3 (15.79%) Hibernate
6 3 (15.79%) jQuery
6 3 (15.79%) JSF
6 3 (15.79%) OSGi
7 1 (5.26%) JSON
Miscellaneous
1 9 (47.37%) Clustering
1 9 (47.37%) Enterprise Software
2 2 (10.53%) Fixed Income
3 1 (5.26%) Data Structures
3 1 (5.26%) Equities
3 1 (5.26%) N-Tier
3 1 (5.26%) Public Cloud
3 1 (5.26%) Replication
3 1 (5.26%) SWIFT
Operating Systems
1 3 (15.79%) Linux
2 2 (10.53%) Unix
2 2 (10.53%) Windows
3 1 (5.26%) Windows Server
3 1 (5.26%) Windows Server 2008
3 1 (5.26%) Windows Server 2012
3 1 (5.26%) Windows Server 2016
Processes & Methodologies
1 12 (63.16%) Performance Tuning
2 11 (57.89%) Agile Software Development
3 9 (47.37%) Continuous Integration
3 9 (47.37%) High Availability
3 9 (47.37%) Multithreaded Programming
3 9 (47.37%) Multithreading
3 9 (47.37%) Web Development
4 8 (42.11%) Microservices
4 8 (42.11%) Scalability Testing
5 6 (31.58%) OO
6 5 (26.32%) Software Engineering
7 4 (21.05%) Open Source
7 4 (21.05%) Unit Testing
8 3 (15.79%) Analytics
8 3 (15.79%) Campaign Management
8 3 (15.79%) CRM
8 3 (15.79%) Data Integration
8 3 (15.79%) Data Modelling
8 3 (15.79%) ETL
8 3 (15.79%) Stakeholder Engagement
Programming Languages
1 11 (57.89%) Java
2 9 (47.37%) JavaScript
3 6 (31.58%) SQL
4 3 (15.79%) Java 8
4 3 (15.79%) T-SQL
5 2 (10.53%) Python
6 1 (5.26%) Bash Shell
6 1 (5.26%) Erlang
6 1 (5.26%) Perl
6 1 (5.26%) PL/SQL
6 1 (5.26%) Shell Script
Qualifications
1 1 (5.26%) AWS Certification
1 1 (5.26%) SC Cleared
1 1 (5.26%) Security Cleared
Quality Assurance & Compliance
1 3 (15.79%) MiFID
2 2 (10.53%) QA
3 1 (5.26%) ISO 20022
System Software
1 1 (5.26%) Docker
Systems Management
1 1 (5.26%) Opscode Chef
1 1 (5.26%) Puppet
1 1 (5.26%) Terraform
Vendors
1 7 (36.84%) Oracle
2 4 (21.05%) Cloudera
3 3 (15.79%) Informatica
3 3 (15.79%) Pega
4 1 (5.26%) Charles River
4 1 (5.26%) Hortonworks
4 1 (5.26%) MapR
4 1 (5.26%) Microsoft
4 1 (5.26%) Sybase