Period
to 17 September 2021

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Relational Database skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Relational Database over the 6 months to 17 September 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
Central London > City of London
6 months to
17 Sep 2021
Same period 2020 Same period 2019
Rank 133 94 116
Rank change year-on-year -39 +22 -18
Contract jobs citing Relational Database 47 27 122
As % of all contract jobs advertised in the City of London 1.29% 1.50% 1.94%
As % of the Database & Business Intelligence category 5.93% 5.59% 7.49%
Number of daily rates quoted 38 20 74
10th Percentile £417 £406 £408
25th Percentile £462 £415 £466
Median daily rate (50th Percentile) £600 £488 £550
Median % change year-on-year +23.08% -11.36% +4.76%
75th Percentile £660 £603 £638
90th Percentile £791 £654 £650
Central London median daily rate £600 £550 £550
% change year-on-year +9.09% - -
Number of hourly rates quoted 0 0 2
Median hourly rate - - £46.85
Central London median hourly rate - - £46.85

Relational Database 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 793 483 1,629
As % of all contract IT jobs advertised in the City of London 21.85% 26.89% 25.96%
Number of daily rates quoted 574 360 1,306
10th Percentile £371 £382 £388
25th Percentile £475 £431 £456
Median daily rate (50th Percentile) £550 £525 £525
Median % change year-on-year +4.76% - -
75th Percentile £650 £606 £618
90th Percentile £725 £688 £688
Central London median daily rate £550 £525 £525
% change year-on-year +4.76% - -
Number of hourly rates quoted 8 6 8
10th Percentile " £18.50 £17.95
25th Percentile £8.00 £20.50 £22.00
Median hourly rate £15.25 £29.75 £35.00
Median % change year-on-year -48.74% -15.00% +55.56%
75th Percentile £33.69 £39.00 £47.42
90th Percentile £43.33 £43.50 £51.04
Central London median hourly rate £17.00 £29.75 £35.00
% change year-on-year -42.86% -15.00% +55.56%

Relational Database
Job Vacancy Trend in the City of London

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

Job vacancy trend for Relational Database in the City of London

Relational Database
Contractor Daily Rate Trend in the City of London

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

Daily rate trend for Relational Database in the City of London

Relational Database
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing Relational Database in the City of London over the 6 months to 17 September 2021.

Daily rate histogram for Relational Database in the City of London

Relational Database
Contractor Hourly Rate Trend in the City of London

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

Hourly rate trend for Relational Database in the City of London

For the 6 months to 17 September 2021, IT contractor jobs citing Relational Database 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 Relational Database.

1 31 (65.96%) SQL
2 21 (44.68%) Agile Software Development
3 20 (42.55%) Java
4 18 (38.30%) RDBMS
5 17 (36.17%) Oracle
6 16 (34.04%) Python
7 15 (31.91%) SQL Server
8 14 (29.79%) Finance
9 13 (27.66%) Banking
9 13 (27.66%) Spring
10 12 (25.53%) Microservices
11 10 (21.28%) Social Skills
11 10 (21.28%) Data Modelling
11 10 (21.28%) AWS
12 9 (19.15%) Azure
12 9 (19.15%) Big Data
12 9 (19.15%) Performance Tuning
12 9 (19.15%) Linux
12 9 (19.15%) JavaScript
12 9 (19.15%) GCP
13 8 (17.02%) HTML
13 8 (17.02%) PostgreSQL
13 8 (17.02%) Jenkins
13 8 (17.02%) Kafka
13 8 (17.02%) Analytics
13 8 (17.02%) NoSQL
14 7 (14.89%) Node.js
14 7 (14.89%) Scrum
14 7 (14.89%) TDD
14 7 (14.89%) .NET

Relational Database
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 5 (10.64%) CMS
2 3 (6.38%) IIS
2 3 (6.38%) SharePoint
2 3 (6.38%) WebLogic
3 2 (4.26%) Apache Spark
3 2 (4.26%) JBoss
3 2 (4.26%) Oracle Coherence
3 2 (4.26%) Oracle SOA Suite
4 1 (2.13%) Apache
4 1 (2.13%) Confluence
4 1 (2.13%) Jupyter
4 1 (2.13%) Red Hat Fuse
4 1 (2.13%) SugarCRM
4 1 (2.13%) Tomcat
Applications
1 6 (12.77%) Microsoft Excel
Business Applications
1 2 (4.26%) Maximo
2 1 (2.13%) SunGard Martini
Cloud Services
1 10 (21.28%) AWS
2 9 (19.15%) Azure
2 9 (19.15%) GCP
3 4 (8.51%) Power Platform
4 3 (6.38%) Microsoft 365
4 3 (6.38%) npm
4 3 (6.38%) PowerApps
5 2 (4.26%) Amazon S3
5 2 (4.26%) AWS CloudFormation
5 2 (4.26%) AWS Lambda
5 2 (4.26%) AWS Step Functions
5 2 (4.26%) Cloud Computing
5 2 (4.26%) Serverless
6 1 (2.13%) Amazon CloudWatch
6 1 (2.13%) Amazon EC2
6 1 (2.13%) Amazon SQS
6 1 (2.13%) AWS CodePipeline
6 1 (2.13%) GitHub
6 1 (2.13%) SaaS
6 1 (2.13%) Virtual Private Cloud
Communications & Networking
1 2 (4.26%) HTTP
Database & Business Intelligence
1 18 (38.30%) RDBMS
2 15 (31.91%) SQL Server
3 9 (19.15%) Big Data
4 8 (17.02%) NoSQL
4 8 (17.02%) PostgreSQL
5 6 (12.77%) MySQL
6 5 (10.64%) BigQuery
6 5 (10.64%) MongoDB
7 4 (8.51%) Bigtable
7 4 (8.51%) Oracle Database
7 4 (8.51%) Oracle Database 11g
7 4 (8.51%) Oracle Database 12c
7 4 (8.51%) Power BI
8 3 (6.38%) Data Warehouse
8 3 (6.38%) Hadoop
9 2 (4.26%) Amazon Athena
9 2 (4.26%) Hazelcast
9 2 (4.26%) Oracle Exadata
10 1 (2.13%) Amazon DynamoDB
10 1 (2.13%) Infinispan
Development Applications
1 8 (17.02%) Jenkins
2 6 (12.77%) JIRA
3 5 (10.64%) Git (software)
4 3 (6.38%) JUnit
4 3 (6.38%) Mockito
4 3 (6.38%) Selenium
4 3 (6.38%) Travis CI
5 2 (4.26%) Maven
5 2 (4.26%) Robot Framework
6 1 (2.13%) Atlassian Bamboo
6 1 (2.13%) GitLab
6 1 (2.13%) IntelliJ
6 1 (2.13%) JMeter
6 1 (2.13%) Oracle APEX
6 1 (2.13%) Subversion
6 1 (2.13%) TeamCity
General
1 14 (29.79%) Finance
2 13 (27.66%) Banking
3 10 (21.28%) Social Skills
4 6 (12.77%) Investment Banking
5 4 (8.51%) Front Office
5 4 (8.51%) Public Sector
6 3 (6.38%) Advertising
6 3 (6.38%) Analytical Skills
6 3 (6.38%) Presentation Skills
7 2 (4.26%) Billing
7 2 (4.26%) Documentation Skills
8 1 (2.13%) Back Office
8 1 (2.13%) Games
8 1 (2.13%) Pharmaceutical
8 1 (2.13%) Prime Brokerage
8 1 (2.13%) Telecoms
Job Titles
1 22 (46.81%) Developer
2 12 (25.53%) Java Developer
3 7 (14.89%) Analyst
4 6 (12.77%) Python Developer
5 5 (10.64%) Data Modeller
6 3 (6.38%) Architect
6 3 (6.38%) Data Engineer
6 3 (6.38%) DBA
6 3 (6.38%) Java Engineer
6 3 (6.38%) Senior Developer
6 3 (6.38%) SQL Analyst
6 3 (6.38%) Systems Analyst
7 2 (4.26%) Applications Support Analyst
7 2 (4.26%) AWS Engineer
7 2 (4.26%) Electronic Trading Developer
7 2 (4.26%) Electronic Trading Java Developer
7 2 (4.26%) Solutions Architect
7 2 (4.26%) SQL Support Analyst
7 2 (4.26%) Systems Support
7 2 (4.26%) Systems Support Analyst
Libraries, Frameworks & Software Standards
1 13 (27.66%) Spring
2 8 (17.02%) HTML
2 8 (17.02%) Kafka
3 7 (14.89%) .NET
3 7 (14.89%) Node.js
3 7 (14.89%) React
4 6 (12.77%) AngularJS
4 6 (12.77%) JMS
4 6 (12.77%) Spring Boot
4 6 (12.77%) Web Services
4 6 (12.77%) XML
5 5 (10.64%) CSS
6 4 (8.51%) Pandas
7 3 (6.38%) Django
7 3 (6.38%) HTML5
7 3 (6.38%) Java EE
7 3 (6.38%) Middleware
7 3 (6.38%) REST
7 3 (6.38%) RESTful
8 2 (4.26%) .NET Framework
Miscellaneous
1 6 (12.77%) Fixed Income
2 5 (10.64%) Enterprise Software
3 3 (6.38%) Equities
3 3 (6.38%) Private Cloud
4 2 (4.26%) Credit Risk
4 2 (4.26%) Data Structures
4 2 (4.26%) Legacy Systems
4 2 (4.26%) Reference Data
4 2 (4.26%) User Experience
5 1 (2.13%) Cloud Native
5 1 (2.13%) Clustering
5 1 (2.13%) Derivative
5 1 (2.13%) FMCG
5 1 (2.13%) Foreign Exchange (FX)
5 1 (2.13%) Hedge funds
5 1 (2.13%) Replication
5 1 (2.13%) Self-Motivation
Operating Systems
1 9 (19.15%) Linux
2 6 (12.77%) Unix
3 4 (8.51%) Windows
4 3 (6.38%) Windows Server
5 2 (4.26%) Red Hat Enterprise Linux
Processes & Methodologies
1 21 (44.68%) Agile Software Development
2 12 (25.53%) Microservices
3 10 (21.28%) Data Modelling
4 9 (19.15%) Performance Tuning
5 8 (17.02%) Analytics
6 7 (14.89%) Scrum
6 7 (14.89%) TDD
7 6 (12.77%) BDD
7 6 (12.77%) Business Intelligence
7 6 (12.77%) Continuous Integration
7 6 (12.77%) Data Pipeline
7 6 (12.77%) Problem-Solving
7 6 (12.77%) Project Delivery
7 6 (12.77%) Test Automation
8 5 (10.64%) Clean Code
8 5 (10.64%) Front End Development
8 5 (10.64%) Logical Data Model
8 5 (10.64%) Web Development
9 4 (8.51%) Data Engineering
9 4 (8.51%) Physical Data Model
Programming Languages
1 31 (65.96%) SQL
2 20 (42.55%) Java
3 16 (34.04%) Python
4 9 (19.15%) JavaScript
5 4 (8.51%) C#
5 4 (8.51%) Shell Script
6 3 (6.38%) C
6 3 (6.38%) Java 8
6 3 (6.38%) PL/SQL
6 3 (6.38%) VB.NET
6 3 (6.38%) VBA
7 2 (4.26%) C++
7 2 (4.26%) Scala
7 2 (4.26%) TypeScript
8 1 (2.13%) ABAP
8 1 (2.13%) Kotlin
8 1 (2.13%) Perl
8 1 (2.13%) PHP
8 1 (2.13%) XPath
Qualifications
1 2 (4.26%) OCP
1 2 (4.26%) Oracle Certification
2 1 (2.13%) Degree
2 1 (2.13%) ITIL Foundation Certificate
Quality Assurance & Compliance
1 1 (2.13%) QA
System Software
1 4 (8.51%) Docker
2 2 (4.26%) Oracle RAC
Systems Management
1 2 (4.26%) Data Guard
1 2 (4.26%) Kubernetes
1 2 (4.26%) Oracle RMAN
2 1 (2.13%) Ansible
2 1 (2.13%) Opscode Chef
2 1 (2.13%) Puppet
Vendors
1 17 (36.17%) Oracle
2 6 (12.77%) Microsoft
3 3 (6.38%) Google
3 3 (6.38%) Sybase
4 2 (4.26%) EMC
4 2 (4.26%) hybris
4 2 (4.26%) Red Hat
4 2 (4.26%) Splunk
5 1 (2.13%) Alteryx
5 1 (2.13%) Bloomberg
5 1 (2.13%) Confluent
5 1 (2.13%) Databricks
5 1 (2.13%) Dataiku
5 1 (2.13%) FIS
5 1 (2.13%) ION Trading
5 1 (2.13%) MarketAxess
5 1 (2.13%) SAP
5 1 (2.13%) SunGard
5 1 (2.13%) TIBCO
5 1 (2.13%) Tradeweb