Creating a meta-schema Information on creating meta-schemas. Create a meta-schemaCreate a database meta-schema file. Extract a meta-schema information from a databaseThe New Meta-schema dialog assists in extracting schema information from a database.BDL schema file (sch)Genero BDL sch files contain definitions of the database tables and columns. Add a meta-schema to a projectYou may have to add the meta-schema file to a project.Related conceptsWhat is a database meta-schema?