Period
to 28 January 2022

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 28 January 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
Central London > City of London
6 months to
28 Jan 2022
Same period 2021 Same period 2020
Rank 121 83 128
Rank change year-on-year -38 +45 -4
Contract jobs citing Relational Database 68 51 78
As % of all contract jobs advertised in the City of London 1.69% 2.41% 1.59%
As % of the Database & Business Intelligence category 7.17% 10.85% 6.89%
Number of daily rates quoted 60 41 56
10th Percentile £488 £415 £325
25th Percentile £513 £513 £413
Median daily rate (50th Percentile) £600 £619 £475
Median % change year-on-year -3.07% +30.32% -13.64%
75th Percentile £788 £650 £600
90th Percentile £878 £675 £638
Central London median daily rate £600 £610 £475
% change year-on-year -1.56% +28.32% -13.64%

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 948 470 1,132
As % of all contract IT jobs advertised in the City of London 23.62% 22.23% 23.10%
Number of daily rates quoted 754 353 885
10th Percentile £369 £326 £369
25th Percentile £482 £425 £425
Median daily rate (50th Percentile) £570 £525 £513
Median % change year-on-year +8.57% +2.44% -2.38%
75th Percentile £675 £638 £600
90th Percentile £775 £688 £675
Central London median daily rate £570 £525 £500
% change year-on-year +8.57% +5.00% -4.76%
Number of hourly rates quoted 6 0 4
10th Percentile £34.75 - £22.17
25th Percentile £39.00 - £23.67
Median hourly rate £53.25 - £25.00
Median % change year-on-year - - -32.60%
75th Percentile £61.56 - £33.00
90th Percentile £69.63 - £46.50
Central London median hourly rate £53.25 £62.50 £25.00
% change year-on-year -14.80% +150.00% -32.60%

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 28 January 2022.

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 28 January 2022, 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 43 (63.24%) SQL
1 43 (63.24%) RDBMS
2 29 (42.65%) Java
3 23 (33.82%) Python
3 23 (33.82%) Agile Software Development
3 23 (33.82%) AWS
4 22 (32.35%) SQL Server
5 21 (30.88%) Finance
5 21 (30.88%) NoSQL
6 20 (29.41%) Social Skills
7 19 (27.94%) Kafka
7 19 (27.94%) Business Intelligence
8 18 (26.47%) Data Modelling
9 17 (25.00%) ETL
9 17 (25.00%) Problem-Solving
10 15 (22.06%) Microservices
10 15 (22.06%) CI/CD
10 15 (22.06%) Microsoft
11 14 (20.59%) Oracle
11 14 (20.59%) Big Data
12 13 (19.12%) Banking
13 12 (17.65%) Amazon S3
13 12 (17.65%) Azure
14 11 (16.18%) XML
14 11 (16.18%) Linux
14 11 (16.18%) JIRA
14 11 (16.18%) Data Engineering
15 10 (14.71%) Apache Spark
15 10 (14.71%) Project Delivery
15 10 (14.71%) PostgreSQL

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 10 (14.71%) Apache Spark
2 3 (4.41%) IIS
2 3 (4.41%) SharePoint
3 2 (2.94%) Confluence
3 2 (2.94%) JBoss
3 2 (2.94%) Oracle Coherence
3 2 (2.94%) WebLogic
4 1 (1.47%) Apache
4 1 (1.47%) Mule
4 1 (1.47%) Red Hat Fuse
4 1 (1.47%) Tornado
Applications
1 7 (10.29%) Microsoft Excel
Business Applications
1 1 (1.47%) Sparx Enterprise Architect
Cloud Services
1 23 (33.82%) AWS
2 12 (17.65%) Amazon S3
2 12 (17.65%) Azure
3 6 (8.82%) Serverless
4 5 (7.35%) Amazon EMR
4 5 (7.35%) AWS Lambda
5 4 (5.88%) Matillion
5 4 (5.88%) Power Platform
5 4 (5.88%) Snowflake
6 3 (4.41%) Amazon SQS
6 3 (4.41%) AWS CloudFormation
6 3 (4.41%) Microsoft 365
6 3 (4.41%) PaaS
6 3 (4.41%) PowerApps
7 2 (2.94%) Amazon CloudWatch
7 2 (2.94%) Amazon EC2
7 2 (2.94%) Cloud Computing
7 2 (2.94%) GCP
7 2 (2.94%) IaaS
7 2 (2.94%) Route 53
Communications & Networking
1 3 (4.41%) HTTP
2 2 (2.94%) TCP/IP
3 1 (1.47%) DNS
3 1 (1.47%) Network Security
Database & Business Intelligence
1 43 (63.24%) RDBMS
2 22 (32.35%) SQL Server
3 21 (30.88%) NoSQL
4 14 (20.59%) Big Data
5 10 (14.71%) Data Warehouse
5 10 (14.71%) PostgreSQL
6 8 (11.76%) MongoDB
7 7 (10.29%) Metadata
8 6 (8.82%) Data Vault
8 6 (8.82%) Parquet
9 5 (7.35%) MySQL
10 4 (5.88%) Amazon Athena
10 4 (5.88%) Amazon RDS
10 4 (5.88%) Amazon Redshift
10 4 (5.88%) Power BI
10 4 (5.88%) Tableau
10 4 (5.88%) Tableau Desktop
11 3 (4.41%) Data Lake
11 3 (4.41%) Oracle Database
11 3 (4.41%) Oracle Database 12c
Development Applications
1 11 (16.18%) JIRA
2 10 (14.71%) Git (software)
2 10 (14.71%) Jenkins
3 3 (4.41%) Atlassian Bamboo
4 2 (2.94%) Maven
4 2 (2.94%) Visual Studio
5 1 (1.47%) Bitbucket
5 1 (1.47%) Gradle
5 1 (1.47%) IntelliJ
5 1 (1.47%) JMeter
5 1 (1.47%) kappa
5 1 (1.47%) Postman
5 1 (1.47%) Selenium
General
1 21 (30.88%) Finance
2 20 (29.41%) Social Skills
3 13 (19.12%) Banking
4 9 (13.24%) Investment Banking
5 6 (8.82%) Analytical Skills
5 6 (8.82%) Front Office
6 3 (4.41%) Advertising
6 3 (4.41%) Influencing Skills
7 2 (2.94%) Documentation Skills
7 2 (2.94%) Financial Institution
7 2 (2.94%) International Banking
7 2 (2.94%) Legal
8 1 (1.47%) Games
8 1 (1.47%) Presentation Skills
8 1 (1.47%) Public Sector
8 1 (1.47%) Telecoms
Job Titles
1 30 (44.12%) Developer
2 14 (20.59%) Java Developer
3 13 (19.12%) Architect
4 8 (11.76%) Python Developer
5 7 (10.29%) Java Engineer
5 7 (10.29%) Solutions Architect
6 6 (8.82%) Data Engineer
6 6 (8.82%) Talend Developer
7 5 (7.35%) DBA
7 5 (7.35%) Python Engineer
8 4 (5.88%) Analyst
8 4 (5.88%) Data Modeller
8 4 (5.88%) Electronic Trading Developer
8 4 (5.88%) Electronic Trading Java Developer
8 4 (5.88%) Java Pricing Developer
8 4 (5.88%) Pricing Developer
9 3 (4.41%) Data Architect
9 3 (4.41%) Oracle DBA
9 3 (4.41%) SQL Analyst
9 3 (4.41%) Systems Analyst
Libraries, Frameworks & Software Standards
1 19 (27.94%) Kafka
2 11 (16.18%) XML
3 9 (13.24%) .NET
3 9 (13.24%) Spring
4 8 (11.76%) JSON
5 7 (10.29%) Spring Boot
6 6 (8.82%) Apache Avro
7 5 (7.35%) HTML
7 5 (7.35%) React
7 5 (7.35%) REST
7 5 (7.35%) RESTful
8 4 (5.88%) CSS
8 4 (5.88%) Django
8 4 (5.88%) FIX Protocol
8 4 (5.88%) XML Messaging
9 3 (4.41%) Java EE
9 3 (4.41%) JDBC
9 3 (4.41%) Web Services
10 2 (2.94%) JMS
10 2 (2.94%) Middleware
Miscellaneous
1 7 (10.29%) Fixed Income
1 7 (10.29%) Legacy Systems
2 5 (7.35%) Management Information System
2 5 (7.35%) Reference Data
3 4 (5.88%) Enterprise Software
4 2 (2.94%) Greenfield Project
4 2 (2.94%) Hedge funds
5 1 (1.47%) Client/Server
5 1 (1.47%) Cloud Native
5 1 (1.47%) Data Structures
5 1 (1.47%) Foreign Exchange (FX)
5 1 (1.47%) Hybrid Cloud
5 1 (1.47%) NHS
5 1 (1.47%) N-Tier
5 1 (1.47%) Public Cloud
5 1 (1.47%) Self-Motivation
5 1 (1.47%) Virtual Team
Operating Systems
1 11 (16.18%) Linux
2 6 (8.82%) Unix
3 3 (4.41%) Windows
3 3 (4.41%) Windows Server
4 2 (2.94%) Red Hat Enterprise Linux
Processes & Methodologies
1 23 (33.82%) Agile Software Development
2 19 (27.94%) Business Intelligence
3 18 (26.47%) Data Modelling
4 17 (25.00%) ETL
4 17 (25.00%) Problem-Solving
5 15 (22.06%) CI/CD
5 15 (22.06%) Microservices
6 11 (16.18%) Data Engineering
7 10 (14.71%) Configuration Management
7 10 (14.71%) Project Delivery
8 9 (13.24%) BDD
8 9 (13.24%) SDLC
8 9 (13.24%) TDD
9 7 (10.29%) Analytics
9 7 (10.29%) Data Integration
9 7 (10.29%) Metadata Management
9 7 (10.29%) Migration
10 6 (8.82%) Data Architecture
10 6 (8.82%) Scrum
10 6 (8.82%) UML
Programming Languages
1 43 (63.24%) SQL
2 29 (42.65%) Java
3 23 (33.82%) Python
4 10 (14.71%) C#
5 7 (10.29%) C
5 7 (10.29%) JavaScript
6 4 (5.88%) C++
6 4 (5.88%) PHP
6 4 (5.88%) Scala
7 3 (4.41%) Java 8
7 3 (4.41%) Kotlin
7 3 (4.41%) PL/SQL
7 3 (4.41%) PowerShell
7 3 (4.41%) Shell Script
7 3 (4.41%) TypeScript
7 3 (4.41%) VB.NET
8 1 (1.47%) Perl
8 1 (1.47%) R
8 1 (1.47%) Ruby
8 1 (1.47%) XPath
Qualifications
1 6 (8.82%) SC Cleared
1 6 (8.82%) Security Cleared
2 2 (2.94%) BPSS Clearance
2 2 (2.94%) Degree
2 2 (2.94%) OCP
2 2 (2.94%) Oracle Certification
Quality Assurance & Compliance
1 8 (11.76%) Data Quality
2 3 (4.41%) QA
3 2 (2.94%) GDPR
4 1 (1.47%) CDISC
4 1 (1.47%) LOINC
4 1 (1.47%) SNOMED CT
System Software
1 9 (13.24%) Docker
2 3 (4.41%) Oracle RAC
3 2 (2.94%) Virtual Machines
4 1 (1.47%) LXC
Systems Management
1 6 (8.82%) Kubernetes
2 4 (5.88%) Puppet
3 3 (4.41%) Ansible
3 3 (4.41%) Data Guard
3 3 (4.41%) Opscode Chef
3 3 (4.41%) Terraform
4 2 (2.94%) Oracle RMAN
5 1 (1.47%) Grafana
5 1 (1.47%) Prometheus
Vendors
1 15 (22.06%) Microsoft
2 14 (20.59%) Oracle
3 9 (13.24%) Cloudera
3 9 (13.24%) Talend
4 3 (4.41%) Confluent
4 3 (4.41%) Sybase
5 2 (2.94%) EMC
5 2 (2.94%) Red Hat
6 1 (1.47%) Atlassian
6 1 (1.47%) Bloomberg
6 1 (1.47%) Databricks
6 1 (1.47%) ION Trading
6 1 (1.47%) MarketAxess
6 1 (1.47%) Refinitiv
6 1 (1.47%) Sparx
6 1 (1.47%) Splunk
6 1 (1.47%) TOWER Software
6 1 (1.47%) Tradeweb