Meta-schema Manager Reference Reference information for Meta-schema Manager. Meta-schema propertiesProperties can be set for each element in a meta-schema. Data typesData types in a meta-schema have the same meaning for every supported database type. DialogsInformation about Meta-schema Manager dialogs. ViewsInformation about Meta-schema Manager views. Meta-Schema Manager preferencesSet default preferences for Meta-Schema Manager and DB Explorer.Meta-schema diagram context menuRight-click on a meta-schema diagram or item in the Database Structure view for a context menu of options.Meta-schema Manager error messagesA list of Meta-schema Manager error messages. For messages that are not self-explanatory, additional information is provided.