Period
to 15 June 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 15 June 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
15 Jun 2021
Same period 2020 Same period 2019
Rank 114 98 117
Rank change year-on-year -16 +19 -22
Contract jobs citing Relational Database 42 46 126
As % of all contract jobs advertised in the City of London 1.42% 1.60% 1.97%
As % of the Database & Business Intelligence category 6.70% 6.53% 7.60%
Number of daily rates quoted 35 27 84
10th Percentile £419 £300 £402
25th Percentile £513 £393 £425
Median daily rate (50th Percentile) £600 £475 £550
Median % change year-on-year +26.32% -13.64% -
75th Percentile £653 £494 £641
90th Percentile £700 £558 £650
Central London median daily rate £600 £475 £550
% change year-on-year +26.32% -13.64% -
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 627 704 1,658
As % of all contract IT jobs advertised in the City of London 21.19% 24.54% 25.93%
Number of daily rates quoted 423 532 1,313
10th Percentile £400 £363 £406
25th Percentile £463 £423 £463
Median daily rate (50th Percentile) £550 £500 £525
Median % change year-on-year +10.00% -4.76% -
75th Percentile £638 £600 £613
90th Percentile £713 £688 £675
Central London median daily rate £550 £500 £525
% change year-on-year +10.00% -4.76% +1.94%
Number of hourly rates quoted 7 5 11
Median hourly rate £8.00 £25.00 £35.00
Median % change year-on-year -68.00% -28.57% +57.30%
Central London median hourly rate £14.00 £25.00 £35.00
% change year-on-year -44.00% -28.57% +33.33%

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 15 June 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 15 June 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 24 (57.14%) SQL
2 21 (50.00%) Java
3 19 (45.24%) Agile Software Development
4 16 (38.10%) Oracle
5 15 (35.71%) Spring
6 14 (33.33%) Banking
7 13 (30.95%) Apache
7 13 (30.95%) AWS
7 13 (30.95%) Big Data
7 13 (30.95%) Microservices
8 12 (28.57%) JavaScript
9 11 (26.19%) HTML
9 11 (26.19%) Linux
9 11 (26.19%) JMS
9 11 (26.19%) Data Modelling
9 11 (26.19%) Scrum
9 11 (26.19%) NoSQL
10 10 (23.81%) Continuous Integration
10 10 (23.81%) Performance Tuning
10 10 (23.81%) AngularJS
10 10 (23.81%) Jenkins
10 10 (23.81%) Data Warehouse
10 10 (23.81%) Python
11 9 (21.43%) Middleware
11 9 (21.43%) OO
11 9 (21.43%) SQL Server
11 9 (21.43%) Enterprise Software
11 9 (21.43%) Hadoop
11 9 (21.43%) REST
11 9 (21.43%) Analytical Skills

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 13 (30.95%) Apache
2 8 (19.05%) Apache Spark
3 7 (16.67%) Red Hat Fuse
4 3 (7.14%) JBoss
4 3 (7.14%) WebLogic
5 2 (4.76%) Oracle SOA Suite
6 1 (2.38%) Camunda
6 1 (2.38%) CMS
6 1 (2.38%) Confluence
6 1 (2.38%) Mule
6 1 (2.38%) Oracle Coherence
6 1 (2.38%) SugarCRM
6 1 (2.38%) Tomcat
Applications
1 4 (9.52%) Microsoft Excel
Business Applications
1 2 (4.76%) Maximo
2 1 (2.38%) SunGard Martini
Cloud Services
1 13 (30.95%) AWS
2 8 (19.05%) Amazon EC2
3 4 (9.52%) GCP
4 2 (4.76%) AWS CloudFormation
4 2 (4.76%) Azure
4 2 (4.76%) Serverless
5 1 (2.38%) Amazon CloudWatch
5 1 (2.38%) Amazon ECS
5 1 (2.38%) Amazon ElastiCache
5 1 (2.38%) Amazon EMR
5 1 (2.38%) Amazon Kinesis
5 1 (2.38%) Amazon S3
5 1 (2.38%) Amazon SQS
5 1 (2.38%) AWS Lambda
5 1 (2.38%) AWS Step Functions
5 1 (2.38%) Cloud Computing
5 1 (2.38%) GitHub
5 1 (2.38%) OpenShift
5 1 (2.38%) Power Platform
5 1 (2.38%) Virtual Private Cloud
Communications & Networking
1 1 (2.38%) HTTP
Database & Business Intelligence
1 13 (30.95%) Big Data
2 11 (26.19%) NoSQL
3 10 (23.81%) Data Warehouse
4 9 (21.43%) Hadoop
4 9 (21.43%) SQL Server
5 8 (19.05%) Amazon Redshift
5 8 (19.05%) Data Lake
6 7 (16.67%) Amazon RDS
6 7 (16.67%) PostgreSQL
7 6 (14.29%) MongoDB
7 6 (14.29%) MySQL
8 4 (9.52%) BigQuery
8 4 (9.52%) Bigtable
8 4 (9.52%) RDBMS
9 3 (7.14%) Spark SQL
10 2 (4.76%) Oracle Database
10 2 (4.76%) Oracle Database 11g
10 2 (4.76%) Oracle Database 12c
10 2 (4.76%) Tableau
11 1 (2.38%) Oracle Exadata
Development Applications
1 10 (23.81%) Jenkins
2 8 (19.05%) JIRA
3 6 (14.29%) Git (software)
4 4 (9.52%) JUnit
5 3 (7.14%) Maven
5 3 (7.14%) Mockito
6 2 (4.76%) Robot Framework
6 2 (4.76%) Selenium
6 2 (4.76%) Subversion
7 1 (2.38%) Ant
7 1 (2.38%) Atlassian Bamboo
7 1 (2.38%) Cucumber
7 1 (2.38%) Eclipse
7 1 (2.38%) FishEye
7 1 (2.38%) GitLab
7 1 (2.38%) Gradle
7 1 (2.38%) Hudson
7 1 (2.38%) jMock
7 1 (2.38%) Oracle APEX
7 1 (2.38%) TeamCity
General
1 14 (33.33%) Banking
2 9 (21.43%) Analytical Skills
3 8 (19.05%) Finance
4 7 (16.67%) Social Skills
5 3 (7.14%) Presentation Skills
6 2 (4.76%) Advertising
6 2 (4.76%) Billing
6 2 (4.76%) Documentation Skills
6 2 (4.76%) Investment Banking
7 1 (2.38%) Back Office
7 1 (2.38%) Electronics
7 1 (2.38%) Public Sector
Job Titles
1 14 (33.33%) Developer
2 9 (21.43%) AWS Engineer
2 9 (21.43%) Java Developer
3 8 (19.05%) Data Engineer
4 6 (14.29%) Architect
4 6 (14.29%) Java Architect
4 6 (14.29%) Java Solutions Architect
4 6 (14.29%) Senior Developer
4 6 (14.29%) Solutions Architect
5 5 (11.90%) Analyst
6 4 (9.52%) Big Data Engineer
6 4 (9.52%) Data Modeller
6 4 (9.52%) Senior Java Developer
7 2 (4.76%) Business Intelligence Consultant
7 2 (4.76%) Consultant
7 2 (4.76%) Hadoop Engineer
7 2 (4.76%) JavaScript Developer
7 2 (4.76%) Senior Architect
7 2 (4.76%) Senior Java Architect
7 2 (4.76%) Senior Solutions Architect
Libraries, Frameworks & Software Standards
1 15 (35.71%) Spring
2 11 (26.19%) HTML
2 11 (26.19%) JMS
3 10 (23.81%) AngularJS
4 9 (21.43%) Middleware
4 9 (21.43%) REST
5 8 (19.05%) HTML5
6 7 (16.67%) Apache Camel
6 7 (16.67%) Hibernate
6 7 (16.67%) jQuery
6 7 (16.67%) XML
7 6 (14.29%) Ajax
7 6 (14.29%) GWT
7 6 (14.29%) JDBC
7 6 (14.29%) JSF
7 6 (14.29%) OSGi
8 5 (11.90%) Kafka
8 5 (11.90%) Node.js
9 4 (9.52%) RESTful
10 3 (7.14%) Java EE
Miscellaneous
1 9 (21.43%) Enterprise Software
2 7 (16.67%) Clustering
3 4 (9.52%) Fixed Income
4 2 (4.76%) Equities
4 2 (4.76%) User Experience
5 1 (2.38%) Credit Risk
5 1 (2.38%) Derivative
5 1 (2.38%) Hedge funds
5 1 (2.38%) Reinsurance
5 1 (2.38%) Replication
5 1 (2.38%) Self-Motivation
Operating Systems
1 11 (26.19%) Linux
2 5 (11.90%) Unix
3 1 (2.38%) Red Hat Enterprise Linux
3 1 (2.38%) Windows
Processes & Methodologies
1 19 (45.24%) Agile Software Development
2 13 (30.95%) Microservices
3 11 (26.19%) Data Modelling
3 11 (26.19%) Scrum
4 10 (23.81%) Continuous Integration
4 10 (23.81%) Performance Tuning
5 9 (21.43%) OO
6 8 (19.05%) Data Pipeline
7 7 (16.67%) Analytics
7 7 (16.67%) Data Transformation
7 7 (16.67%) High Availability
7 7 (16.67%) Root Cause Analysis
7 7 (16.67%) Scalability Testing
7 7 (16.67%) Web Development
8 6 (14.29%) Capacity Planning
8 6 (14.29%) Continuous Improvement
8 6 (14.29%) Extreme Programming
8 6 (14.29%) Open Source
8 6 (14.29%) RUP
9 4 (9.52%) ETL
Programming Languages
1 24 (57.14%) SQL
2 21 (50.00%) Java
3 12 (28.57%) JavaScript
4 10 (23.81%) Python
5 8 (19.05%) Java 8
6 3 (7.14%) VBA
7 2 (4.76%) PL/SQL
8 1 (2.38%) ABAP
8 1 (2.38%) C#
8 1 (2.38%) C++
8 1 (2.38%) PHP
8 1 (2.38%) Shell Script
Qualifications
1 2 (4.76%) Degree
2 1 (2.38%) ITIL Foundation Certificate
2 1 (2.38%) MBA
2 1 (2.38%) OCP
2 1 (2.38%) Oracle Certification
Quality Assurance & Compliance
1 4 (9.52%) QA
System Software
1 4 (9.52%) Docker
2 1 (2.38%) Oracle RAC
Systems Management
1 2 (4.76%) Kubernetes
2 1 (2.38%) Data Guard
2 1 (2.38%) Oracle RMAN
Vendors
1 16 (38.10%) Oracle
2 6 (14.29%) Talend
3 3 (7.14%) Sybase
4 2 (4.76%) hybris
4 2 (4.76%) Microsoft
5 1 (2.38%) Atlassian
5 1 (2.38%) Databricks
5 1 (2.38%) EMC
5 1 (2.38%) FIS
5 1 (2.38%) Murex
5 1 (2.38%) Red Hat
5 1 (2.38%) SAP
5 1 (2.38%) Splunk
5 1 (2.38%) SunGard