Querying in AiiDA

The advantage of storing information in a database is that questions can be asked on the data, and an answer can be rapidly provided.

Here we describe different approaches to query the data in AiiDA.

Note

This section is still only a stub and will be significantly improved in the next versions.

• Directly querying in Django
• Directly querying in SQLAlchemy
• Using the querytool
• The transitive closure table
• Using the QueryBuilder
  • Introduction
  • The appender method
  • The queryhelp