The table below looks at the statistics for ROLAP skills in IT jobs advertised for the London region. Included is a guide to the average salaries offered in IT jobs that have cited ROLAP over the 3 months to 27 March 2015 with a comparison to the same period in the previous 2 years.

Location
3 months to
27 Mar 2015
Same period 2014 Same period 2013
Relational Online Analytical Processing (ROLAP)
Rank 605 644 604
Rank change year-on-year
+39 -40
Permanent jobs citing ROLAP 2 3 3
As % of all permanent IT jobs located in London 0.005% 0.007% 0.007%
As % of the Database & Business Intelligence category 0.016% 0.022% 0.022%
Number of salaries quoted 2 3 3
Average salary £60,000 £67,500 £60,000
Average salary % change year-on-year
-11.11% +12.50%
UK excluding London average salary £34,000 £77,500 £55,000
% change year-on-year
-56.12% +40.90%
ROLAP
England

The following table is for comparison with the above and provides statistics for the entire Database & Business Intelligence category in permanent jobs advertised in the London region.

Database & Business Intelligence Category
London
Permanent IT job ads with a match in the
Database & Business Intelligence category
12695 13874 13496
As % of all permanent IT jobs located in London 29.67% 30.54% 30.41%
Number of salaries quoted 10931 11769 11697
Average salary £55,000 £55,000 £52,500
Average salary % change year-on-year
- +4.76%
90% offered a salary of more than £38,000 £36,000 £35,000
10% offered a salary of more than £76,500 £70,000 £75,000
UK excluding London average salary £40,000 £40,000 £40,000

ROLAP
Jobs Demand Trend in London

This chart provides a 3-month moving total of permanent IT jobs citing ROLAP across the London region as a proportion of the total demand within the Database & Business Intelligence category.

ROLAP Jobs Demand Trend in London

ROLAP
Salary Trend in London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing ROLAP across the London region.

ROLAP Salary Trend in London

ROLAP
Top 30 Related IT Skills in London

For the 6 months to 27 March 2015, IT jobs across the London region citing ROLAP also mentioned the following IT skills in order of popularity. The figures indicate the number of jobs and their proportion against the total number of IT job ads sampled that cited ROLAP.

1 10 (90.91%) Data Warehouse
1 10 (90.91%) ETL
1 10 (90.91%) Agile Software Development
2 9 (81.82%) MOLAP
2 9 (81.82%) SQL
3 7 (63.64%) Oracle
3 7 (63.64%) TDD
3 7 (63.64%) Apache Hive
3 7 (63.64%) MongoDB
3 7 (63.64%) MapReduce
3 7 (63.64%) Data Governance
3 7 (63.64%) Big Data
3 7 (63.64%) Apache Pig
3 7 (63.64%) Amazon DynamoDB
3 7 (63.64%) Apache Spark
4 5 (45.45%) Hadoop
4 5 (45.45%) Open Source
4 5 (45.45%) NoSQL
4 5 (45.45%) Data Analysis
5 4 (36.36%) Business Intelligence
6 3 (27.27%) OLAP
6 3 (27.27%) Data Modelling
6 3 (27.27%) Analytical Skills
7 2 (18.18%) Tableau
7 2 (18.18%) OLAP Cube
7 2 (18.18%) Linked Data
7 2 (18.18%) SPARQL
7 2 (18.18%) SQL Server Integration Services
7 2 (18.18%) SQL Server Analysis Services
7 2 (18.18%) REST

ROLAP
Top Related IT Skills in London by Category

For the 6 months to 27 March 2015, IT jobs across the London region citing ROLAP also mentioned the following IT skills grouped by category. The figures indicate the number of jobs and their proportion against the total number of IT job ads sampled that cited ROLAP. Up to 20 skills are shown per category.

Application Platforms
1 7 (63.64%) Apache Pig
1 7 (63.64%) Apache Spark
Business Applications
1 1 (9.09%) Cognos TM1
1 1 (9.09%) Cognos Business Intelligence
Database & Business Intelligence
1 10 (90.91%) Data Warehouse
2 9 (81.82%) MOLAP
3 7 (63.64%) Apache Hive
3 7 (63.64%) MongoDB
3 7 (63.64%) Big Data
3 7 (63.64%) Amazon DynamoDB
4 5 (45.45%) NoSQL
4 5 (45.45%) Hadoop
5 3 (27.27%) OLAP
6 2 (18.18%) SQL Server Reporting Services
6 2 (18.18%) SQL Server Integration Services
6 2 (18.18%) SQL Server Analysis Services
6 2 (18.18%) OLAP Cube
7 1 (9.09%) Enterprise Data Warehouse
7 1 (9.09%) Oracle BI EE
7 1 (9.09%) Oracle ODI
7 1 (9.09%) Oracle Database
7 1 (9.09%) Oracle BI Publisher
7 1 (9.09%) Oracle OLAP
7 1 (9.09%) Oracle Database 11g
General
1 1 (9.09%) Finance
1 1 (9.09%) Games
Job Titles
1 7 (63.64%) Technical Leader
2 2 (18.18%) Business Intelligence Developer
2 2 (18.18%) Developer
2 2 (18.18%) Lead Developer
3 1 (9.09%) Systems Manager
3 1 (9.09%) Information Manager
3 1 (9.09%) Senior Consultant
3 1 (9.09%) Consultant
3 1 (9.09%) Business Intelligence Manager
3 1 (9.09%) Information Systems Manager
3 1 (9.09%) OBIEE Consultant
Libraries, Frameworks & Software Standards
1 2 (18.18%) SOAP
1 2 (18.18%) REST
Miscellaneous
1 5 (45.45%) Open Source
2 3 (27.27%) Analytical Skills
3 2 (18.18%) Linked Data
4 1 (9.09%) Management Information System
4 1 (9.09%) Computer Science
Processes & Methodologies
1 10 (90.91%) ETL
1 10 (90.91%) Agile Software Development
2 7 (63.64%) TDD
2 7 (63.64%) MapReduce
2 7 (63.64%) Data Governance
3 5 (45.45%) Data Analysis
4 4 (36.36%) Business Intelligence
5 3 (27.27%) Data Modelling
6 2 (18.18%) SOA
6 2 (18.18%) RDF
7 1 (9.09%) Project Management
7 1 (9.09%) Data Management
7 1 (9.09%) Dimensional Modelling
7 1 (9.09%) Data Architecture
7 1 (9.09%) Kimball Methodology
7 1 (9.09%) Master Data Management
7 1 (9.09%) Performance Tuning
Programming Languages
1 9 (81.82%) SQL
2 2 (18.18%) Java
2 2 (18.18%) SPARQL
3 1 (9.09%) VBA
Quality Assurance & Compliance
1 2 (18.18%) QA
Vendors
1 7 (63.64%) Oracle
2 2 (18.18%) Tableau
3 1 (9.09%) Vertica
3 1 (9.09%) Cognos
3 1 (9.09%) Informatica
3 1 (9.09%) Netezza