The following table provides summary statistics for contract job vacancies with a requirement for ROLAP skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited ROLAP over the 3 months to 25 June 2017 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 OLAP (ROLAP)
UK
3 months to
25 Jun 2017
Same period 2016 Same period 2015
Rank 585 651 635
Rank change year-on-year +66 -16  
Contract jobs citing ROLAP 2 1 1
As % of all contract IT jobs advertised in the UK 0.004% 0.002% 0.002%
As % of the Database & Business Intelligence category 0.019% 0.009% 0.008%
Number of daily rates quoted 2 1 1
Median daily rate £375 £300 £345
Median daily rate % change year-on-year +25.00% -13.04%  
UK excluding London median daily rate £375 £300 £345
% change year-on-year +25.00% -13.04%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

ROLAP is in the database and business intelligence skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies with a requirement for database and business intelligence skills.

Contract Database & Business Intelligence Skills
UK
Contract job vacancies with a requirement for database and business intelligence skills 10379 11588 13176
As % of all contract IT job vacancies advertised in the UK 22.43% 21.84% 23.51%
Number of daily rates quoted 6780 7853 8607
Median daily rate £450 £425 £400
Median daily rate % change year-on-year +5.88% +6.25%  
90% offered a daily rate of more than £325 £300 £275
10% offered a daily rate of more than £600 £600 £550
UK excluding London median daily rate £400 £383 £350
% change year-on-year +4.57% +9.28%  
Number of hourly rates quoted 142 193 183
Median hourly rate £31.50 £31.27 £27.78
Median hourly rate % change year-on-year +0.73% +12.56%  
90% offered a hourly rate of more than £13.20 £12.00 £16.00
10% offered a hourly rate of more than £50.00 £49.00 £52.17
UK excluding London median hourly rate £38.00 £30.50 £26.00
% change year-on-year +24.59% +17.30%  

ROLAP
Job Vacancy Trend

The job posting trend of jobs advertised citing ROLAP as a proportion of all contract or permanent IT jobs with a match in the Database & Business Intelligence category.

Job vacancy trend for ROLAP in the UK

ROLAP
Contractor Daily Rate Trend

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing ROLAP.

Contractor daily rate trend for ROLAP in the UK

ROLAP
Top 4 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing ROLAP within the UK over the 3 months to 25 June 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +48 2 £375 +25.00%
Leeds - 2 £375 -
West Yorkshire - 2 £375 -
Yorkshire - 2 £375 -

For the 6 months to 25 June 2017, IT contractor jobs citing ROLAP also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads with a requirement for ROLAP.

1 4 (100.00%) SQL Server
1 4 (100.00%) OLAP
1 4 (100.00%) SQL
1 4 (100.00%) MOLAP
1 4 (100.00%) SQL Server Integration Services
1 4 (100.00%) SQL Server Analysis Services
1 4 (100.00%) MDX
2 3 (75.00%) Microsoft
3 2 (50.00%) ETL Development
3 2 (50.00%) Kimball Methodology
3 2 (50.00%) Performance Tuning
3 2 (50.00%) Microsoft Analysis Services
3 2 (50.00%) SQL Server Reporting Services
3 2 (50.00%) Agile Software Development
3 2 (50.00%) Star Schema
3 2 (50.00%) Data Warehouse
3 2 (50.00%) ETL
3 2 (50.00%) C#
4 1 (25.00%) JavaScript
4 1 (25.00%) T-SQL
4 1 (25.00%) .NET
4 1 (25.00%) Business Intelligence
4 1 (25.00%) ASP.NET
4 1 (25.00%) SOAP
4 1 (25.00%) Web Services
4 1 (25.00%) OOP
4 1 (25.00%) OO
4 1 (25.00%) Microsoft Excel
4 1 (25.00%) SharePoint
4 1 (25.00%) TDD

ROLAP
Co-occurring IT Skills 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 1 (25.00%) Confluence
1 1 (25.00%) SharePoint
Applications
1 1 (25.00%) Microsoft Excel
Cloud Services
1 1 (25.00%) Microsoft Azure
Database & Business Intelligence
1 4 (100.00%) MOLAP
1 4 (100.00%) OLAP
1 4 (100.00%) SQL Server
1 4 (100.00%) SQL Server Analysis Services
1 4 (100.00%) SQL Server Integration Services
2 2 (50.00%) Data Warehouse
2 2 (50.00%) Microsoft Analysis Services
2 2 (50.00%) SQL Server Reporting Services
2 2 (50.00%) Star Schema
3 1 (25.00%) Power BI
3 1 (25.00%) QlikView
Development Applications
1 1 (25.00%) Git (software)
1 1 (25.00%) JIRA
General
1 1 (25.00%) Banking
1 1 (25.00%) Finance
Job Titles
1 4 (100.00%) Developer
2 3 (75.00%) SSAS Developer
3 2 (50.00%) ETL Developer
3 2 (50.00%) SQL Developer
4 1 (25.00%) .NET Developer
4 1 (25.00%) Business Intelligence Developer
4 1 (25.00%) C# .NET Developer
4 1 (25.00%) C# Developer
4 1 (25.00%) SQL BI Developer
4 1 (25.00%) SSIS Developer
4 1 (25.00%) SSRS Developer
Libraries, Frameworks & Software Standards
1 4 (100.00%) MDX
2 1 (25.00%) .NET
2 1 (25.00%) .NET Framework
2 1 (25.00%) AngularJS
2 1 (25.00%) ASP.NET
2 1 (25.00%) ASP.NET MVC
2 1 (25.00%) ASP.NET Web API
2 1 (25.00%) React
2 1 (25.00%) RESTful
2 1 (25.00%) SOAP
2 1 (25.00%) WCF
2 1 (25.00%) Web Services
2 1 (25.00%) WinForms
2 1 (25.00%) WPF
Miscellaneous
1 1 (25.00%) Greenfield Project
Processes & Methodologies
1 2 (50.00%) Agile Software Development
1 2 (50.00%) ETL
1 2 (50.00%) ETL Development
1 2 (50.00%) Kimball Methodology
1 2 (50.00%) Performance Tuning
2 1 (25.00%) BDD
2 1 (25.00%) Business Intelligence
2 1 (25.00%) Migration
2 1 (25.00%) Multithreading
2 1 (25.00%) MVC
2 1 (25.00%) OO
2 1 (25.00%) OOP
2 1 (25.00%) Scrum
2 1 (25.00%) SOLID
2 1 (25.00%) TDD
Programming Languages
1 4 (100.00%) SQL
2 2 (50.00%) C#
3 1 (25.00%) JavaScript
3 1 (25.00%) T-SQL
Vendors
1 3 (75.00%) Microsoft
2 1 (25.00%) Atlassian
2 1 (25.00%) Tableau