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Columns

Last modified: 10 August 2022

A column is a piece of data that is stored by a table. This data belongs to a particular type. A column may include text, numbers, or pointers to files in the operating system. Some relational database systems allow columns to include more complex data types like whole documents, images, or video clips.

Each object in the Database tool window has its own icon. You can see a reference on object icons in the following reference topic.

Starting with IntelliJ IDEA 2022.1, you can change database-specific parameters of a . The IDE generates fields for the new Modify dialog automatically according to the properties received during the introspection. For example, by using this dialog in PostgreSQL, you can add and edit column check constraints.