Period
to 19 November 2017

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for OLAP skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited OLAP over the 6 months to 19 November 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.

Online Analytical Processing (OLAP)
Central London > City of London
6 months to
19 Nov 2017
Same period 2016 Same period 2015
Rank 214 239 213
Rank change year-on-year +25 -26 +38
Contract jobs citing OLAP 26 14 58
As % of all contract IT jobs advertised in the City of London 0.37% 0.21% 0.63%
As % of the Database & Business Intelligence category 1.52% 0.81% 2.43%
Number of daily rates quoted 23 13 53
City of London median daily rate £500 £525 £450
Median daily rate % change year-on-year -4.76% +16.67% +5.88%
10th Percentile £408 £430 £315
90th Percentile £675 £645 £615
Central London median daily rate £500 £513 £450
% change year-on-year -2.44% +13.89% +5.88%
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate - - -

OLAP 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 1714 1736 2389
As % of all contract IT jobs advertised in the City of London 24.40% 26.10% 26.01%
Number of daily rates quoted 1391 1382 1915
City of London median daily rate £525 £475 £463
Median daily rate % change year-on-year +10.53% +2.70% +6.32%
10th Percentile £363 £325 £313
90th Percentile £688 £675 £638
Central London median daily rate £525 £475 £450
% change year-on-year +10.53% +5.56% +5.88%
Number of hourly rates quoted 11 1 9
City of London median hourly rate £27.50 £45.00 £25.00
Median hourly rate % change year-on-year -38.89% +80.00% -18.88%
10th Percentile £20.75 £42.50 £16.25
90th Percentile £33.25 £47.50 £70.75
Central London median hourly rate £25.99 £45.00 £21.98
% change year-on-year -42.24% +104.78% -25.46%

OLAP
Job Vacancy Trend in the City of London

Job postings citing OLAP as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for OLAP in the City of London

OLAP
Contractor Daily Rate Trend in the City of London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing OLAP in the City of London.

Contractor daily rate trend for OLAP in the City of London

OLAP
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing OLAP in the City of London over the 6 months to 19 November 2017.

Contractor daily rate histogram for OLAP in the City of London

OLAP
Contractor Hourly Rate Trend in the City of London

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing OLAP in the City of London.

Contractor hourly rate trend for OLAP in the City of London

For the 6 months to 19 November 2017, IT contractor jobs citing OLAP also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the City of London region with a requirement for OLAP.

1 23 (88.46%) Business Intelligence
2 21 (80.77%) SQL Server
3 20 (76.92%) SQL
4 19 (73.08%) ETL
5 18 (69.23%) Microsoft
6 17 (65.38%) SQL Server Analysis Services
7 15 (57.69%) Finance
8 13 (50.00%) SQL Server Reporting Services
8 13 (50.00%) MDX
8 13 (50.00%) SQL Server Integration Services
8 13 (50.00%) Kimball Methodology
9 12 (46.15%) Data Warehouse
10 11 (42.31%) Data Modelling
11 10 (38.46%) ETL Development
12 7 (26.92%) OLAP Cube
13 6 (23.08%) T-SQL
13 6 (23.08%) Analytical Skills
14 5 (19.23%) Reinsurance
14 5 (19.23%) SQL Server 2012
14 5 (19.23%) PerformancePoint
14 5 (19.23%) IT Strategy
14 5 (19.23%) C#
14 5 (19.23%) MS Access
14 5 (19.23%) Microsoft Analysis Services
14 5 (19.23%) Web Development
15 4 (15.38%) Oracle OLAP
15 4 (15.38%) Market Risk
15 4 (15.38%) Cognos
15 4 (15.38%) UML
15 4 (15.38%) MS Visio

OLAP
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 3 (11.54%) SAS
Applications
1 4 (15.38%) MS Visio
2 2 (7.69%) Microsoft Excel
3 1 (3.85%) Microsoft PowerPoint
3 1 (3.85%) Spreadsheet
Database & Business Intelligence
1 21 (80.77%) SQL Server
2 17 (65.38%) SQL Server Analysis Services
3 13 (50.00%) SQL Server Integration Services
3 13 (50.00%) SQL Server Reporting Services
4 12 (46.15%) Data Warehouse
5 7 (26.92%) OLAP Cube
6 5 (19.23%) Microsoft Analysis Services
6 5 (19.23%) MS Access
6 5 (19.23%) PerformancePoint
6 5 (19.23%) SQL Server 2012
7 4 (15.38%) Oracle BI EE
7 4 (15.38%) Oracle Discoverer
7 4 (15.38%) Oracle OLAP
7 4 (15.38%) Snowflake Schema
7 4 (15.38%) SQL Server 2016
8 3 (11.54%) Power BI
8 3 (11.54%) Relational Database
8 3 (11.54%) SQL Server 2014
9 2 (7.69%) IBM PureData
9 2 (7.69%) SAS Enterprise Guide
Development Applications
1 4 (15.38%) ERwin
1 4 (15.38%) Team Foundation Server
2 3 (11.54%) Visual Studio
3 2 (7.69%) Toad
4 1 (3.85%) Eclipse
General
1 15 (57.69%) Finance
2 2 (7.69%) Banking
2 2 (7.69%) Investment Banking
2 2 (7.69%) Retail
3 1 (3.85%) Advertising
3 1 (3.85%) Marketing
Job Titles
1 15 (57.69%) Developer
2 7 (26.92%) Business Intelligence Developer
3 6 (23.08%) SSAS Developer
4 5 (19.23%) Business Intelligence Lead
4 5 (19.23%) Senior Developer
4 5 (19.23%) SSIS Developer
4 5 (19.23%) Team Leader
5 4 (15.38%) Data Modeller
6 2 (7.69%) Architect
6 2 (7.69%) Data Architect
7 1 (3.85%) Analyst
7 1 (3.85%) Data Analyst
7 1 (3.85%) Database Developer
7 1 (3.85%) DBA
7 1 (3.85%) SQL DBA
7 1 (3.85%) SQL Server DBA
Libraries, Frameworks & Software Standards
1 13 (50.00%) MDX
Miscellaneous
1 6 (23.08%) Analytical Skills
2 5 (19.23%) Reinsurance
3 4 (15.38%) Market Risk
4 1 (3.85%) Replication
Operating Systems
1 2 (7.69%) Linux
1 2 (7.69%) Unix
Processes & Methodologies
1 23 (88.46%) Business Intelligence
2 19 (73.08%) ETL
3 13 (50.00%) Kimball Methodology
4 11 (42.31%) Data Modelling
5 10 (38.46%) ETL Development
6 5 (19.23%) IT Strategy
6 5 (19.23%) Web Development
7 4 (15.38%) Data Architecture
7 4 (15.38%) Data Mapping
7 4 (15.38%) Dimensional Modelling
7 4 (15.38%) UML
8 3 (11.54%) Analytics
8 3 (11.54%) Critical Success Factor
9 2 (7.69%) Data Analysis
9 2 (7.69%) Data Extraction
9 2 (7.69%) Inmon Methodology
9 2 (7.69%) Performance Optimisation
9 2 (7.69%) Predictive Modelling
9 2 (7.69%) Release Management
9 2 (7.69%) SDLC
Programming Languages
1 20 (76.92%) SQL
2 6 (23.08%) T-SQL
3 5 (19.23%) C#
4 4 (15.38%) PL/SQL
5 2 (7.69%) SAS Macro
5 2 (7.69%) Shell Script
Qualifications
1 2 (7.69%) Degree
Quality Assurance & Compliance
1 3 (11.54%) Data Quality
2 2 (7.69%) QA
Vendors
1 18 (69.23%) Microsoft
2 4 (15.38%) Cognos
2 4 (15.38%) Informatica
2 4 (15.38%) Oracle
2 4 (15.38%) Tableau
3 2 (7.69%) IBM
3 2 (7.69%) Netezza