Period
to

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 15 August 2022 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
15 Aug 2022
Same period 2021 Same period 2020
Rank 158 160 119
Rank change year-on-year +2 -41 +89
Contract jobs citing RDBMS 36 13 13
As % of all contract jobs advertised in the City of London 0.80% 0.37% 0.61%
As % of the Database & Business Intelligence category 3.80% 1.73% 2.36%
Number of daily rates quoted 19 10 6
10th Percentile £473 £409 £413
25th Percentile £556 £471 £434
Median daily rate (50th Percentile) £800 £613 £500
Median % change year-on-year +30.61% +22.50% -13.04%
75th Percentile - £666 £566
90th Percentile £807 £744 £613
Central London median daily rate £775 £613 £550
% change year-on-year +26.53% +11.36% -

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 947 751 551
As % of all contract IT jobs advertised in the City of London 21.14% 21.62% 25.89%
Number of daily rates quoted 665 528 408
10th Percentile £444 £406 £390
25th Percentile £513 £463 £450
Median daily rate (50th Percentile) £588 £550 £525
Median % change year-on-year +6.82% +4.76% -
75th Percentile £713 £650 £603
90th Percentile £790 £719 £688
Central London median daily rate £583 £550 £525
% change year-on-year +5.95% +4.76% -
Number of hourly rates quoted 8 7 6
10th Percentile £47.03 - £18.50
25th Percentile £52.50 - £20.50
Median hourly rate £56.50 £8.00 £29.75
Median % change year-on-year +606.25% -73.11% -15.00%
75th Percentile £62.75 £24.46 £39.00
90th Percentile £74.04 £28.31 £43.50
Central London median hourly rate £56.50 £14.00 £29.75
% change year-on-year +303.57% -52.94% -15.00%

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 15 August 2022.

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 15 August 2022, 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 36 (100.00%) Relational Database
2 24 (66.67%) SQL
3 19 (52.78%) Agile
4 14 (38.89%) Java
4 14 (38.89%) Performance Tuning
5 13 (36.11%) Oracle
6 12 (33.33%) HTML
6 12 (33.33%) PostgreSQL
6 12 (33.33%) Kafka
6 12 (33.33%) Microservices
7 11 (30.56%) React
7 11 (30.56%) Spring Boot
7 11 (30.56%) PL/SQL
7 11 (30.56%) Spring
7 11 (30.56%) HTML5
7 11 (30.56%) REST
8 10 (27.78%) High Availability
8 10 (27.78%) NoSQL
8 10 (27.78%) Azure
8 10 (27.78%) Multithreading
8 10 (27.78%) Clustering
8 10 (27.78%) Web Development
8 10 (27.78%) Scalability Testing
8 10 (27.78%) JavaScript
8 10 (27.78%) OO
8 10 (27.78%) Finance
8 10 (27.78%) Event-Driven Architecture
8 10 (27.78%) WebSockets
8 10 (27.78%) Gradle
8 10 (27.78%) Enterprise Software

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 (5.56%) Apache Spark
2 1 (2.78%) Tomcat
Applications
1 1 (2.78%) Microsoft Excel
Business Applications
1 2 (5.56%) Oracle Applications
2 1 (2.78%) Oracle BPM
2 1 (2.78%) Oracle Utilities
Cloud Services
1 10 (27.78%) Azure
2 4 (11.11%) AWS
3 3 (8.33%) AWS Lambda
3 3 (8.33%) Power Platform
3 3 (8.33%) Serverless
4 2 (5.56%) Azure DevOps
4 2 (5.56%) Azure Synapse Analytics
4 2 (5.56%) IaaS
4 2 (5.56%) Snowflake
5 1 (2.78%) Amazon CloudSearch
5 1 (2.78%) Amazon CloudWatch
5 1 (2.78%) Amazon S3
5 1 (2.78%) AWS CloudFormation
5 1 (2.78%) AWS Step Functions
5 1 (2.78%) Azure Data Factory
5 1 (2.78%) GCP
5 1 (2.78%) GitHub
5 1 (2.78%) Matillion
5 1 (2.78%) OpenShift
5 1 (2.78%) Virtual Private Cloud
Database & Business Intelligence
1 36 (100.00%) Relational Database
2 12 (33.33%) PostgreSQL
3 10 (27.78%) NoSQL
4 9 (25.00%) Redis
5 8 (22.22%) Data Warehouse
6 7 (19.44%) Oracle Database
6 7 (19.44%) SQL Server
7 6 (16.67%) Big Data
7 6 (16.67%) Oracle Database 11g
7 6 (16.67%) Oracle Database 12c
8 3 (8.33%) Power BI
9 2 (5.56%) Data Lake
9 2 (5.56%) HDInsight
9 2 (5.56%) Oracle Reports
9 2 (5.56%) Tableau
10 1 (2.78%) DB2
10 1 (2.78%) MS Access
10 1 (2.78%) MySQL
10 1 (2.78%) Snowflake Schema
10 1 (2.78%) SQLPlus
Development Applications
1 10 (27.78%) Gradle
2 6 (16.67%) PowerDesigner
3 5 (13.89%) Git (software)
3 5 (13.89%) JIRA
4 4 (11.11%) TeamCity
5 2 (5.56%) kappa
5 2 (5.56%) Visual Studio
6 1 (2.78%) Jenkins
6 1 (2.78%) Maven
General
1 10 (27.78%) Finance
1 10 (27.78%) Social Skills
2 9 (25.00%) Financial Institution
2 9 (25.00%) Legal
3 5 (13.89%) Banking
4 4 (11.11%) Investment Banking
5 3 (8.33%) Analytical Skills
5 3 (8.33%) Influencing Skills
6 1 (2.78%) Marketing
Job Titles
1 20 (55.56%) Developer
2 11 (30.56%) Java Developer
3 10 (27.78%) React Developer
4 7 (19.44%) Architect
5 6 (16.67%) Oracle Developer
5 6 (16.67%) Solutions Architect
6 4 (11.11%) Data Engineer
6 4 (11.11%) SQL Developer
7 3 (8.33%) PL/SQL Developer
8 2 (5.56%) Azure Engineer
8 2 (5.56%) Azure Platform Engineer
8 2 (5.56%) Business Intelligence Developer
8 2 (5.56%) Cloud Platform Engineer
8 2 (5.56%) DBA
8 2 (5.56%) Oracle DBA
8 2 (5.56%) Platform Engineer
9 1 (2.78%) Data Scientist
9 1 (2.78%) Electronic Trading Developer
9 1 (2.78%) MicroStrategy Engineer
9 1 (2.78%) Oracle Specialist
Libraries, Frameworks & Software Standards
1 12 (33.33%) HTML
1 12 (33.33%) Kafka
2 11 (30.56%) HTML5
2 11 (30.56%) React
2 11 (30.56%) REST
2 11 (30.56%) Spring
2 11 (30.56%) Spring Boot
3 10 (27.78%) WebSockets
4 9 (25.00%) Redux
5 7 (19.44%) RESTful
6 2 (5.56%) ActiveMQ
6 2 (5.56%) Apache Camel
6 2 (5.56%) ARM Templates
6 2 (5.56%) CSS
6 2 (5.56%) Middleware
6 2 (5.56%) XML
7 1 (2.78%) OAuth2
7 1 (2.78%) Pandas
7 1 (2.78%) Spring Batch
7 1 (2.78%) Spring Integration
Miscellaneous
1 10 (27.78%) Clustering
1 10 (27.78%) Enterprise Software
2 9 (25.00%) Hedge funds
3 4 (11.11%) Credit Risk
4 2 (5.56%) Replication
5 1 (2.78%) Algorithms
5 1 (2.78%) Cloud Native
5 1 (2.78%) Data Structures
5 1 (2.78%) Linux Command Line
5 1 (2.78%) Public Cloud
5 1 (2.78%) Reference Data
5 1 (2.78%) User Experience
Operating Systems
1 5 (13.89%) Unix
2 4 (11.11%) Linux
Processes & Methodologies
1 19 (52.78%) Agile
2 14 (38.89%) Performance Tuning
3 12 (33.33%) Microservices
4 10 (27.78%) Event-Driven
4 10 (27.78%) Event-Driven Architecture
4 10 (27.78%) Full Stack Development
4 10 (27.78%) High Availability
4 10 (27.78%) Multithreaded Programming
4 10 (27.78%) Multithreading
4 10 (27.78%) OO
4 10 (27.78%) Scalability Testing
4 10 (27.78%) Web Development
5 9 (25.00%) AOP
5 9 (25.00%) Data Protection
5 9 (25.00%) DevOps
6 6 (16.67%) Analytics
6 6 (16.67%) API Design
6 6 (16.67%) Architecture Roadmap
6 6 (16.67%) Containerisation
6 6 (16.67%) Strategic Roadmap
Programming Languages
1 24 (66.67%) SQL
2 14 (38.89%) Java
3 11 (30.56%) PL/SQL
4 10 (27.78%) JavaScript
5 4 (11.11%) Python
6 3 (8.33%) Shell Script
7 2 (5.56%) PowerShell
8 1 (2.78%) C
8 1 (2.78%) C#
8 1 (2.78%) C++
8 1 (2.78%) Perl
8 1 (2.78%) T-SQL
Qualifications
1 1 (2.78%) AWS Certification
1 1 (2.78%) BPSS Clearance
1 1 (2.78%) Degree
1 1 (2.78%) SC Cleared
1 1 (2.78%) Security Cleared
Quality Assurance & Compliance
1 9 (25.00%) GDPR
1 9 (25.00%) QA
System Software
1 2 (5.56%) Oracle RAC
2 1 (2.78%) Docker
Systems Management
1 2 (5.56%) Data Guard
1 2 (5.56%) Kubernetes
2 1 (2.78%) Ansible
Vendors
1 13 (36.11%) Oracle
2 6 (16.67%) BiZZdesign
3 4 (11.11%) Databricks
4 3 (8.33%) Microsoft
5 1 (2.78%) Adobe
5 1 (2.78%) Alteryx
5 1 (2.78%) Google
5 1 (2.78%) IBM
5 1 (2.78%) MicroStrategy
5 1 (2.78%) Red Hat
5 1 (2.78%) Salesforce.com
5 1 (2.78%) Sybase