The table below looks at the statistics for Data Mart skills in IT contracts advertised for the Hertfordshire region. Included is a guide to the contractor rates offered in IT contracts that have cited Data Mart over the 3 months to 30 September 2016 with a comparison to the same period over the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
30 Sep 2016
Same period 2015 Same period 2014
Data Mart
Rank 59 65 73
Rank change year-on-year
+6 +8
Contract jobs citing Data Mart 4 3 5
As % of all contract IT jobs located in Hertfordshire 0.53% 0.40% 0.59%
As % of the Database & Business Intelligence category 2.42% 2.01% 1.85%
Number of daily rates quoted 3 1 4
Median daily rate £245 £310 £266
Median daily rate % change year-on-year
-20.96% +16.43%
90% offered a daily rate of more than £229 £310 £196
10% offered a daily rate of more than £279 £310 £335
UK excluding London median daily rate £400 £350 £378
% change year-on-year
+14.28% -7.28%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -
Data Mart
East of England

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

Database & Business Intelligence Category
Hertfordshire
Contract IT job ads with a match in the
Database & Business Intelligence category
165 149 271
As % of all contract IT jobs located in Hertfordshire 21.83% 20.00% 31.73%
Number of daily rates quoted 89 82 166
Median daily rate £350 £376 £350
Median daily rate % change year-on-year
-6.79% +7.28%
90% offered a daily rate of more than £225 £247 £210
10% offered a daily rate of more than £500 £515 £450
UK excluding London median daily rate £378 £375 £350
% change year-on-year
+0.66% +7.14%
Number of hourly rates quoted 0 0 5
Median hourly rate - - £20.00
UK excluding London median hourly rate £36.07 £33.55 £23.75
% change year-on-year
+7.51% +41.26%

Data Mart
Jobs Demand Trend in Hertfordshire

The demand trend of contract jobs across the Hertfordshire region citing Data Mart as a proportion of all IT contracts with a match in the Database & Business Intelligence category.

Data Mart Jobs Demand Trend in Hertfordshire

Data Mart
Daily Rate Trend in Hertfordshire

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing Data Mart across the Hertfordshire region.

Data Mart Daily Rate Trend in Hertfordshire

Data Mart
Contract Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Data Mart within the Hertfordshire region over the 3 months to 30 September 2016. 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
(Click see detailed
statistics and trends)
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
Welwyn Garden City -1 3 £245 -20.96%
Data Mart
East of England

Data Mart
Top 24 Related IT Skills in Hertfordshire

For the 6 months to 30 September 2016, IT contractor jobs citing Data Mart 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 Hertfordshire region with a requirement for Data Mart.

1 9 (100.00%) Data Warehouse
1 9 (100.00%) ETL
1 9 (100.00%) Informatica
1 9 (100.00%) PowerCenter
1 9 (100.00%) SQL
1 9 (100.00%) Oracle
1 9 (100.00%) Oracle Database
2 8 (88.89%) Performance Tuning
2 8 (88.89%) Relational Database
2 8 (88.89%) Dimensional Modelling
2 8 (88.89%) Agile Software Development
2 8 (88.89%) Unit Testing
2 8 (88.89%) ERwin
2 8 (88.89%) RDBMS
3 7 (77.78%) Validation
3 7 (77.78%) Data Extraction
3 7 (77.78%) Data Quality
3 7 (77.78%) Data Transformation
4 6 (66.67%) Pharmaceutical
5 1 (11.11%) HP
5 1 (11.11%) Web Services
5 1 (11.11%) Manual Testing
5 1 (11.11%) HP Quality Center
5 1 (11.11%) Enterprise Data Warehouse

Data Mart
Top Related IT Skills in Hertfordshire 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:

Database & Business Intelligence
1 9 (100.00%) Data Warehouse
1 9 (100.00%) Oracle Database
1 9 (100.00%) PowerCenter
2 8 (88.89%) RDBMS
2 8 (88.89%) Relational Database
3 1 (11.11%) Enterprise Data Warehouse
Development Applications
1 8 (88.89%) ERwin
General
1 6 (66.67%) Pharmaceutical
Job Titles
1 8 (88.89%) Developer
2 7 (77.78%) Informatica Developer
3 6 (66.67%) Oracle Developer
4 1 (11.11%) ETL Developer
4 1 (11.11%) ETL Tester
4 1 (11.11%) Oracle ETL Developer
4 1 (11.11%) Tester
Libraries, Frameworks & Software Standards
1 1 (11.11%) Web Services
Miscellaneous
1 7 (77.78%) Data Extraction
Processes & Methodologies
1 9 (100.00%) ETL
2 8 (88.89%) Agile Software Development
2 8 (88.89%) Dimensional Modelling
2 8 (88.89%) Performance Tuning
2 8 (88.89%) Unit Testing
3 7 (77.78%) Data Transformation
3 7 (77.78%) Validation
4 1 (11.11%) Manual Testing
Programming Languages
1 9 (100.00%) SQL
Quality Assurance & Compliance
1 7 (77.78%) Data Quality
Systems Management
1 1 (11.11%) HP Quality Center
Vendors
1 9 (100.00%) Informatica
1 9 (100.00%) Oracle
2 1 (11.11%) HP