>The DBT (DBase III) format was common in the 80s and 90s. That should actually be DBF, the format for the main database tables. DBT was an ancillary format fo

>The DBT (DBase III) format was common in the 80s and 90s. That should actually be DBF, the format for the main database tables. DBT was an ancillary format for the memo fields, which were used to store longer pieces of text in one column of a DBF record. Overall, that generic format and associated software is called XBASE. People still use it in production. And data entry (CRUD) using it with plain text or TUI DOS-style apps blows Web and even GUI apps out of the water in speed of use.