1,350 for keyed tables and 4,000 for unkeyed tables. For example, M15 takes 25 bytes. The Paradox 5 table format was introduced in Paradox for Windows version 5. Following are the specifications for Paradox 5 tables. Up to two billion records per file.
File size is limited to two gigabytes.
Up to 255 fields per record. For example, M15 takes 25 bytes. Up to 64 validity checks per table for Paradox for Windows tables. A primary index can have up to 16 fields. Tables can have up to 127 secondary indexes.