Previously-run queries and their results (status, patient information) are displayed in and searched from 'Previous Queries' component. Previous queries are re-usable by dragging them into groups in the 'Query Tool' or by saving them into the 'Workplace'. 'Previous Queries' and 'Find' tabs provide ways to identify an interesting previous query for reuse.
- 'Previous Queries' tab: Shows previous queries by descending order of time. The most recently run queries are displayed by default.
- 'Find' tab: Provides an interface to search for a previous query
6.1. Previous Queries tab
'Previous Queries' tab displays a list of previous queries by descending order of time.
6.1.2. Previous query information
Each previous query is displayed as one node. A node shows its query name, execution time, and an user ID who ran the query. Each node contains the following detail information which can be expanded by pressing 
.
- Query name: query is formatted as Query name@Time[Date][User ID]
- Query status:
- Finished
- Patient information:
- Number of patients
- Patient set
- Breakdown
