The table below looks at the statistics for Snowflake Schema skills in IT contracts advertised for the London region. Included is a guide to the contractor rates offered in IT contracts that have cited Snowflake Schema over the 3 months to 2 December 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
2 Dec 2016
Same period 2015 Same period 2014
Snowflake Schema
Rank 422 431 428
Rank change year-on-year
+9 -3
Contract jobs citing Snowflake Schema 14 1 7
As % of all contract IT jobs located in London 0.065% 0.004% 0.029%
As % of the Database & Business Intelligence category 0.27% 0.018% 0.13%
Number of daily rates quoted 2 1 6
Median daily rate £484 £510 £381
Median daily rate % change year-on-year
-5.14% +33.77%
90% offered a daily rate of more than £429 £510 £300
10% offered a daily rate of more than £539 £510 £645
UK excluding London median daily rate £505 £358 £350
% change year-on-year
+41.25% +2.14%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -
Snowflake Schema
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 London region.

Database & Business Intelligence Category
London
Contract IT job ads with a match in the
Database & Business Intelligence category
5113 5495 5477
As % of all contract IT jobs located in London 23.59% 24.18% 22.75%
Number of daily rates quoted 3603 3964 3980
Median daily rate £500 £468 £425
Median daily rate % change year-on-year
+6.95% +10.00%
90% offered a daily rate of more than £350 £325 £300
10% offered a daily rate of more than £640 £625 £600
UK excluding London median daily rate £400 £385 £363
% change year-on-year
+3.89% +6.20%
Number of hourly rates quoted 23 26 41
Median hourly rate £42.00 £21.50 £30.00
Median hourly rate % change year-on-year
+95.34% -28.33%
90% offered a hourly rate of more than £15.50 £16.00 £14.40
10% offered a hourly rate of more than £60.00 £46.00 £44.50
UK excluding London median hourly rate £38.00 £26.25 £32.75
% change year-on-year
+44.76% -19.84%

Snowflake Schema
Jobs Demand Trend in London

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

Snowflake Schema Jobs Demand Trend in London

Snowflake Schema
Daily Rate Trend in London

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing Snowflake Schema across the London region.

Snowflake Schema Daily Rate Trend in London

Snowflake Schema
Daily Rate Histogram in London

This chart provides a histogram of daily rates quoted in contract IT jobs citing Snowflake Schema across the London region over the 3 months to 2 December 2016.

Snowflake Schema Daily Rate Histogram in London

Snowflake Schema
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Snowflake Schema within the London region over the 3 months to 2 December 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
City of London -6 1 £415 -18.62% 2
Snowflake Schema
England

Snowflake Schema
Top 30 Related IT Skills in London

For the 6 months to 2 December 2016, IT contractor jobs citing Snowflake Schema 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 London region with a requirement for Snowflake Schema.

1 21 (100.00%) Data Warehouse
2 19 (90.48%) Big Data
2 19 (90.48%) Analytics
3 16 (76.19%) SQL
4 15 (71.43%) SQL Server
4 15 (71.43%) Finance
4 15 (71.43%) Hadoop
5 14 (66.67%) Banking
5 14 (66.67%) Apache Hive
6 13 (61.90%) Corporate Banking
6 13 (61.90%) Degree
6 13 (61.90%) QlikView
6 13 (61.90%) Data Analysis
6 13 (61.90%) Migration
6 13 (61.90%) Windows
6 13 (61.90%) MS Excel
7 12 (57.14%) T-SQL
7 12 (57.14%) C#
7 12 (57.14%) Management Information System
7 12 (57.14%) Risk Management
7 12 (57.14%) Microsoft
7 12 (57.14%) Shell Script
7 12 (57.14%) Stakeholder Management
7 12 (57.14%) Microsoft Analysis Services
7 12 (57.14%) Retail
7 12 (57.14%) SQL Server Analysis Services
7 12 (57.14%) Investment Management
7 12 (57.14%) SQL Server Integration Services
7 12 (57.14%) Retail Banking
7 12 (57.14%) SQL Server 2008

Snowflake Schema
Top Related IT Skills in 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 12 (57.14%) Apache Pig
2 3 (14.29%) Apache Spark
Applications
1 13 (61.90%) MS Excel
Business Applications
1 2 (9.52%) Cognos Business Intelligence
Database & Business Intelligence
1 21 (100.00%) Data Warehouse
2 19 (90.48%) Big Data
3 15 (71.43%) Hadoop
3 15 (71.43%) SQL Server
4 14 (66.67%) Apache Hive
5 13 (61.90%) QlikView
6 12 (57.14%) Microsoft Analysis Services
6 12 (57.14%) SQL Server 2008
6 12 (57.14%) SQL Server Analysis Services
6 12 (57.14%) SQL Server Integration Services
7 8 (38.10%) Star Schema
8 7 (33.33%) DataStage
9 5 (23.81%) Relational Database
10 3 (14.29%) Cognos Report Studio
10 3 (14.29%) RDBMS
10 3 (14.29%) SQLPlus
11 2 (9.52%) Cognos Framework Manager
11 2 (9.52%) MySQL
12 1 (4.76%) Data Lake
12 1 (4.76%) Oracle ODI
General
1 15 (71.43%) Finance
2 14 (66.67%) Banking
3 13 (61.90%) Corporate Banking
4 12 (57.14%) Retail
4 12 (57.14%) Retail Banking
Job Titles
1 20 (95.24%) Developer
2 4 (19.05%) ETL Developer
2 4 (19.05%) Lead Developer
3 3 (14.29%) Data Warehouse Developer
3 3 (14.29%) DataStage Developer
4 2 (9.52%) Applications Developer
4 2 (9.52%) DataStage ETL Developer
5 1 (4.76%) Analyst
5 1 (4.76%) Architect
5 1 (4.76%) Data Analyst
5 1 (4.76%) Data Architect
5 1 (4.76%) Data Warehouse Architect
5 1 (4.76%) SQL Analyst
5 1 (4.76%) SQL Data Analyst
Miscellaneous
1 12 (57.14%) Analytical Skills
1 12 (57.14%) Management Information System
1 12 (57.14%) Visualisation
2 1 (4.76%) Data Structures
Operating Systems
1 13 (61.90%) Windows
2 1 (4.76%) Unix
2 1 (4.76%) Windows Server
Processes & Methodologies
1 19 (90.48%) Analytics
2 13 (61.90%) Data Analysis
2 13 (61.90%) Migration
3 12 (57.14%) Investment Management
3 12 (57.14%) Kalman Filter
3 12 (57.14%) Risk Management
3 12 (57.14%) Stakeholder Management
4 7 (33.33%) ETL
5 5 (23.81%) Business Intelligence
5 5 (23.81%) Change Data Capture
5 5 (23.81%) Data Analytics
6 4 (19.05%) Big Data Analytics
6 4 (19.05%) Data Cleansing
6 4 (19.05%) Data Modelling
7 3 (14.29%) Data Management
8 2 (9.52%) Agile Software Development
8 2 (9.52%) MapReduce
9 1 (4.76%) Continuous Improvement
9 1 (4.76%) Inmon Methodology
9 1 (4.76%) Performance Tuning
Programming Languages
1 16 (76.19%) SQL
2 12 (57.14%) C#
2 12 (57.14%) Scala
2 12 (57.14%) Shell Script
2 12 (57.14%) T-SQL
3 3 (14.29%) PL/SQL
3 3 (14.29%) Python
4 2 (9.52%) Java
Qualifications
1 13 (61.90%) Degree
Quality Assurance & Compliance
1 1 (4.76%) Data Quality
Systems Management
1 3 (14.29%) Control-M
Vendors
1 12 (57.14%) Cloudera
1 12 (57.14%) Hortonworks
1 12 (57.14%) Microsoft
2 7 (33.33%) Teradata
3 5 (23.81%) Oracle
4 3 (14.29%) Cognos
4 3 (14.29%) IBM
5 1 (4.76%) SAP
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