The model entity-relationship for Jira Software is as follows:
|EPICID||BIGINT||X||The id of the Epic.|
|ISSUEID||BIGINT||The id of the Issue belonging to the Epic|
The EPICISSUES table (available from the 9.8.0 version) is a convenient way of getting all the Issues belonging to a given Epic that performs better than the BOARDEPICISSUES table.
The EPICID must correspond to an Epic issue, otherwise, the table raises an error.
A board displays issues from one or more projects, giving you a flexible way of viewing, managing, and reporting on work in progress. There are two types of boards in JIRA Software: