Period
to 24 February 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 24 February 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
24 Feb 2021
Same period 2020 Same period 2019
Rank 118 171 207
Rank change year-on-year +53 +36 -61
Contract jobs citing RDBMS 15 19 44
As % of all contract jobs advertised in the City of London 0.67% 0.41% 0.66%
As % of the Database & Business Intelligence category 3.03% 1.75% 2.60%
Number of daily rates quoted 17 9 41
Median daily rate £625 £475 £575
Median daily rate % change year-on-year +31.58% -17.39% -
10th Percentile £450 £354 £413
90th Percentile £750 £578 £700
Central London median daily rate £625 £475 £550
% change year-on-year +31.58% -13.64% -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 495 1,086 1,690
As % of all contract IT jobs advertised in the City of London 22.15% 23.28% 25.23%
Number of daily rates quoted 366 843 1,358
Median daily rate £548 £510 £525
Median daily rate % change year-on-year +7.35% -2.86% -
10th Percentile £329 £363 £400
90th Percentile £688 £674 £675
Central London median daily rate £525 £500 £525
% change year-on-year +5.00% -4.76% +2.44%
Number of hourly rates quoted 1 4 4
Median hourly rate £23.45 £25.00 £37.09
Median hourly rate % change year-on-year -6.20% -32.60% +33.66%
10th Percentile £21.73 £22.17 £26.00
90th Percentile £25.18 £35.13 £40.66
Median hourly rate £42.98 £25.00 £37.09
% change year-on-year +71.90% -32.60% +34.87%

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 24 February 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 24 February 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 15 (100.00%) Relational Database
2 9 (60.00%) HTML
2 9 (60.00%) Java
2 9 (60.00%) Agile Software Development
2 9 (60.00%) Performance Tuning
3 8 (53.33%) Multithreaded Programming
3 8 (53.33%) Enterprise Software
3 8 (53.33%) HTML5
3 8 (53.33%) Finance
3 8 (53.33%) Web Development
3 8 (53.33%) Multithreading
3 8 (53.33%) JavaScript
4 7 (46.67%) Continuous Integration
4 7 (46.67%) Scalability Testing
4 7 (46.67%) Clustering
4 7 (46.67%) Banking
4 7 (46.67%) Spring
4 7 (46.67%) REST
4 7 (46.67%) High Availability
4 7 (46.67%) Jenkins
4 7 (46.67%) Microservices
5 6 (40.00%) Oracle
5 6 (40.00%) SQL Server
6 5 (33.33%) OO
6 5 (33.33%) PostgreSQL
6 5 (33.33%) FIX Protocol
6 5 (33.33%) Redux
6 5 (33.33%) Kafka
7 4 (26.67%) AWS
7 4 (26.67%) Open Source

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 (20.00%) Apache
1 3 (20.00%) Red Hat Fuse
2 2 (13.33%) SAS
3 1 (6.67%) Apache Spark
Cloud Services
1 4 (26.67%) Amazon ECS
1 4 (26.67%) Amazon ElastiCache
1 4 (26.67%) Amazon Kinesis
1 4 (26.67%) AWS
1 4 (26.67%) AWS CloudFormation
1 4 (26.67%) PaaS
1 4 (26.67%) SaaS
Communications & Networking
1 1 (6.67%) Kerberos
1 1 (6.67%) SSL
Database & Business Intelligence
1 15 (100.00%) Relational Database
2 6 (40.00%) SQL Server
3 5 (33.33%) PostgreSQL
4 3 (20.00%) Big Data
4 3 (20.00%) Data Warehouse
4 3 (20.00%) Hadoop
5 2 (13.33%) SAS EBI
6 1 (6.67%) Apache Hive
6 1 (6.67%) HBase
6 1 (6.67%) MariaDB
6 1 (6.67%) MySQL
6 1 (6.67%) NoSQL
Development Applications
1 7 (46.67%) Jenkins
2 1 (6.67%) Ant
General
1 8 (53.33%) Finance
2 7 (46.67%) Banking
3 3 (20.00%) Marketing
4 1 (6.67%) Italian Language
Job Titles
1 10 (66.67%) Developer
2 8 (53.33%) Java Developer
3 4 (26.67%) Applications Developer
3 4 (26.67%) Java Applications Developer
4 2 (13.33%) Architect
4 2 (13.33%) AWS Developer
4 2 (13.33%) Lead Architect
4 2 (13.33%) Pega Architect
5 1 (6.67%) Administrator
5 1 (6.67%) Charles River Developer
5 1 (6.67%) DBA
5 1 (6.67%) Hadoop Administrator
5 1 (6.67%) SC Cleared DBA
Libraries, Frameworks & Software Standards
1 9 (60.00%) HTML
2 8 (53.33%) HTML5
3 7 (46.67%) REST
3 7 (46.67%) Spring
4 5 (33.33%) FIX Protocol
4 5 (33.33%) Kafka
4 5 (33.33%) Redux
5 4 (26.67%) JDBC
5 4 (26.67%) JMS
5 4 (26.67%) Lambda Expressions
5 4 (26.67%) Spring Boot
6 3 (20.00%) Ajax
6 3 (20.00%) AngularJS
6 3 (20.00%) Apache Camel
6 3 (20.00%) GWT
6 3 (20.00%) Hibernate
6 3 (20.00%) jQuery
6 3 (20.00%) JSF
6 3 (20.00%) OSGi
7 1 (6.67%) RESTful
Miscellaneous
1 8 (53.33%) Enterprise Software
2 7 (46.67%) Clustering
3 1 (6.67%) Data Structures
3 1 (6.67%) Fixed Income
3 1 (6.67%) N-Tier
Operating Systems
1 1 (6.67%) Linux
Processes & Methodologies
1 9 (60.00%) Agile Software Development
1 9 (60.00%) Performance Tuning
2 8 (53.33%) Multithreaded Programming
2 8 (53.33%) Multithreading
2 8 (53.33%) Web Development
3 7 (46.67%) Continuous Integration
3 7 (46.67%) High Availability
3 7 (46.67%) Microservices
3 7 (46.67%) Scalability Testing
4 5 (33.33%) OO
5 4 (26.67%) Open Source
5 4 (26.67%) Software Engineering
5 4 (26.67%) Unit Testing
6 3 (20.00%) Concurrent Programming
6 3 (20.00%) CRM
7 2 (13.33%) Business Intelligence
7 2 (13.33%) Data Integration
7 2 (13.33%) Data Modelling
7 2 (13.33%) ETL
7 2 (13.33%) Stakeholder Engagement
Programming Languages
1 9 (60.00%) Java
2 8 (53.33%) JavaScript
3 4 (26.67%) SQL
4 3 (20.00%) Java 8
5 1 (6.67%) Go
5 1 (6.67%) Perl
5 1 (6.67%) PL/SQL
5 1 (6.67%) Python
5 1 (6.67%) Shell Script
5 1 (6.67%) T-SQL
Qualifications
1 1 (6.67%) AWS Certification
1 1 (6.67%) SC Cleared
1 1 (6.67%) Security Cleared
Quality Assurance & Compliance
1 3 (20.00%) MiFID
2 1 (6.67%) QA
System Software
1 1 (6.67%) Docker
Systems Management
1 1 (6.67%) Kubernetes
Vendors
1 6 (40.00%) Oracle
2 3 (20.00%) Cloudera
3 2 (13.33%) Informatica
3 2 (13.33%) Pega
4 1 (6.67%) Charles River
4 1 (6.67%) Hortonworks
4 1 (6.67%) MapR
4 1 (6.67%) Salesforce Marketing Cloud
4 1 (6.67%) Salesforce.com