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ColumnsUltimate

Last modified: 15 June 2021

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 (View | Tool Windows | Database) has its own icon. You can see a reference on object icons in the following reference topic.