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 29 December 2014 with a comparison to the same period in the previous 2 years.

Location
3 months to
29 Dec 2014
Same period 2013 Same period 2012
Relational Online Analytical Processing (ROLAP)
Rank 612 623 625
Rank change year-on-year
+11 +2
Permanent jobs citing ROLAP 9 1 4
As % of all permanent IT jobs located in London 0.021% 0.002% 0.008%
As % of the Database & Business Intelligence category 0.070% 0.007% 0.028%
Number of salaries quoted 9 1 4
Average salary £87,500 £75,000 £61,250
Average salary % change year-on-year
+16.66% +22.44%
UK excluding London average salary £40,000 £32,000 £49,000
% change year-on-year
+25.00% -34.69%
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
12798 13725 14101
As % of all permanent IT jobs located in London 29.46% 30.80% 29.95%
Number of salaries quoted 11031 11767 12460
Average salary £55,000 £55,000 £50,000
Average salary % change year-on-year
- +10.00%
90% offered a salary of more than £37,500 £36,500 £35,000
10% offered a salary of more than £75,000 £70,000 £77,500
UK excluding London average salary £40,000 £40,000 £39,000
% change year-on-year
- +2.56%

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
Salary Histogram in London

This chart provides a salary histogram for IT jobs citing ROLAP across the London region over the 3 months to 29 December 2014.

ROLAP Salary Histogram in London

ROLAP
Top 30 Related IT Skills in London

For the 6 months to 29 December 2014, 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 18 (94.74%) ETL
1 18 (94.74%) Data Warehouse
2 13 (68.42%) Agile Software Development
3 12 (63.16%) SQL
4 11 (57.89%) Oracle
4 11 (57.89%) Business Intelligence
5 9 (47.37%) Management Information System
6 8 (42.11%) MOLAP
6 8 (42.11%) Cognos
6 8 (42.11%) Dimensional Modelling
7 7 (36.84%) Apache Hive
7 7 (36.84%) MongoDB
7 7 (36.84%) MapReduce
7 7 (36.84%) Data Governance
7 7 (36.84%) Big Data
7 7 (36.84%) Kimball Methodology
7 7 (36.84%) Data Management
7 7 (36.84%) Cognos TM1
7 7 (36.84%) Cognos Business Intelligence
7 7 (36.84%) OLAP
7 7 (36.84%) TDD
7 7 (36.84%) Apache Pig
7 7 (36.84%) Amazon DynamoDB
7 7 (36.84%) Master Data Management
7 7 (36.84%) Apache Spark
8 6 (31.58%) Computer Science
9 5 (26.32%) Data Analysis
9 5 (26.32%) NoSQL
9 5 (26.32%) Hadoop
9 5 (26.32%) Open Source

ROLAP
Top Related IT Skills in London by Category

For the 6 months to 29 December 2014, 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 (36.84%) Apache Pig
1 7 (36.84%) Apache Spark
Business Applications
1 7 (36.84%) Cognos TM1
1 7 (36.84%) Cognos Business Intelligence
2 3 (15.79%) SAP MDM
Database & Business Intelligence
1 18 (94.74%) Data Warehouse
2 8 (42.11%) MOLAP
3 7 (36.84%) OLAP
3 7 (36.84%) Apache Hive
3 7 (36.84%) MongoDB
3 7 (36.84%) Big Data
3 7 (36.84%) Amazon DynamoDB
4 5 (26.32%) NoSQL
4 5 (26.32%) Hadoop
5 4 (21.05%) Oracle OLAP
6 3 (15.79%) SAP BI
6 3 (15.79%) SAP Data Services
7 2 (10.53%) Oracle ODI
8 1 (5.26%) Oracle Database
8 1 (5.26%) Oracle BI Publisher
8 1 (5.26%) Oracle Database 11g
8 1 (5.26%) Oracle BI EE
8 1 (5.26%) Oracle Reports
8 1 (5.26%) Oracle Database 10g
General
1 5 (26.32%) Finance
2 3 (15.79%) Advertising
3 1 (5.26%) Games
3 1 (5.26%) Banking
3 1 (5.26%) Retail
3 1 (5.26%) Manufacturing
Job Titles
1 7 (36.84%) Technical Leader
1 7 (36.84%) Business Intelligence Manager
2 6 (31.58%) Business Manager
3 4 (21.05%) Information Manager
3 4 (21.05%) Systems Manager
3 4 (21.05%) Information Systems Manager
4 1 (5.26%) OBIEE Consultant
4 1 (5.26%) Oracle Developer
4 1 (5.26%) Architect
4 1 (5.26%) Developer
4 1 (5.26%) Senior Consultant
4 1 (5.26%) Consultant
Libraries, Frameworks & Software Standards
1 2 (10.53%) SOAP
1 2 (10.53%) REST
Miscellaneous
1 9 (47.37%) Management Information System
2 6 (31.58%) Computer Science
3 5 (26.32%) Open Source
4 4 (21.05%) Analytical Skills
4 4 (21.05%) Data Integration
5 2 (10.53%) Linked Data
6 1 (5.26%) Data Structures
6 1 (5.26%) Replication
Processes & Methodologies
1 18 (94.74%) ETL
2 13 (68.42%) Agile Software Development
3 11 (57.89%) Business Intelligence
4 8 (42.11%) Dimensional Modelling
5 7 (36.84%) MapReduce
5 7 (36.84%) Data Governance
5 7 (36.84%) Kimball Methodology
5 7 (36.84%) TDD
5 7 (36.84%) Data Management
5 7 (36.84%) Master Data Management
6 5 (26.32%) Data Modelling
6 5 (26.32%) Data Analysis
7 4 (21.05%) Project Management
7 4 (21.05%) Data Architecture
8 3 (15.79%) Capacity Planning
8 3 (15.79%) Analytics
9 2 (10.53%) SOA
9 2 (10.53%) RDF
9 2 (10.53%) Information Management
10 1 (5.26%) Data Mapping
Programming Languages
1 12 (63.16%) SQL
2 4 (21.05%) VBA
3 2 (10.53%) SPARQL
3 2 (10.53%) Java
Qualifications
1 3 (15.79%) Degree
Quality Assurance & Compliance
1 2 (10.53%) QA
Vendors
1 11 (57.89%) Oracle
2 8 (42.11%) Cognos
3 4 (21.05%) Netezza
3 4 (21.05%) Vertica
4 3 (15.79%) Teradata
4 3 (15.79%) Tableau
4 3 (15.79%) SAP
5 1 (5.26%) Informatica