How to include graphical content

The use of CGI incites us to manage pictures, however - although it would be possible in principle to store images as blobs within the database - I have chosen to proceed differently, in order to keep unid bases not too big. As of Unidatab-CGI version 1.1.1, images are stored in a dedicated directory within the … Continue reading How to include graphical content

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Version 2.0: the splitting of the node table

[ UPGRADE WARNING for Unidatab 2.0: The new version brings structural changes, in consequence older databases have to be migrated to the new standard (see this link). Besides, some functions have been improved in syntax and output. Therefore old documentation will reveal inappropriate in some cases and will be corrected gradually in the near future. … Continue reading Version 2.0: the splitting of the node table

More about properties and types

As we can grasp it now the node table is mess: nodes don't appear in the order of their chain but according to the moment in which they were created. Though located in another table, symbols look like nodes but constitute another type of entry. But of what types are we talking about in this … Continue reading More about properties and types

Aliases and network development

Setting an alias for a record isn't mandatory in Unidatab but it can make a database available for multi-user and online use. Just as much as a type policy is needed for the sake of inner soundness of a database, an alias policy is needed in order to combine several databases over the network, making … Continue reading Aliases and network development