Most relational databases allow you to define comments for their tables, columns, views, and so on. These additional pieces of information are called databasemeta dataordata dictionary. Meta data may be useful for developers or other database users. Meta data allow the development team to understand what various tables or columns are for without having to ask database designer what their intentions were.Generating meta data in SQL scripts is one of the most often requested Vertabelo features and it’s finally here. Here’s how you can take advantage of the feature.