The table below provides summary statistics for contract job vacancies advertised in Belfast requiring SQL Optimisation skills. It includes a benchmarking guide to the contractor rates offered in vacancies that cited SQL Optimisation over the 6 months leading up to 22 August 2025, comparing them to the same period in the previous two years.
SQL Optimisation falls under the Processes and Methodologies category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring process or methodology skills in Belfast.
DemandTrendContract vacancies with a requirement for process or methodology skills
181
99
124
As % of all contract IT jobs advertised in Belfast
89.16%
76.15%
83.22%
Number of daily rates quoted
103
52
66
10th Percentile
£284
£151
£200
25th Percentile
£325
£179
£363
Median daily rate (50th Percentile)
£475
£413
£400
Median % change year-on-year
+15.15%
+3.13%
-17.53%
75th Percentile
£575
£547
£513
90th Percentile
£625
£624
£594
County Antrim median daily rate
£475
£413
£400
% change year-on-year
+15.15%
+3.13%
-17.53%
Number of hourly rates quoted
27
13
9
10th Percentile
£12.31
£12.25
£11.08
25th Percentile
£14.19
£21.19
£13.23
Median hourly rate
£17.00
£23.00
£13.46
Median % change year-on-year
-26.09%
+70.88%
+31.70%
75th Percentile
£17.30
£24.18
£13.91
90th Percentile
£25.73
-
£14.73
County Antrim median hourly rate
£17.30
£24.18
£13.46
% change year-on-year
-28.45%
+79.64%
+22.64%
SQL Optimisation Job Vacancy Trend in Belfast
Job postings citing SQL Optimisation as a proportion of all IT jobs advertised in Belfast.
SQL Optimisation Top 16 Co-occurring Skills and Capabilities in Belfast
For the 6 months to 22 August 2025, contractor job vacancies citing SQL Optimisation also mentioned the following skills and capabilities in order of popularity.
The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the Belfast region with a requirement for SQL Optimisation.
SQL Optimisation Co-occurring Skills and Capabilities in Belfast by Category
The follow tables expand on the table above by listing co-occurrences grouped by category.
The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:
