Ограничения Paradox

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Table and Index Files

127        Tables open per system        

64        Record locks on one table (16Bit) per session        

255        Record locks on one table (32Bit) per session        

255        Records in transactions on a table (32 Bit)        

512        Open physical files (DB, PX, MB, X??, Y??, VAL, TV)        

300        Users in one PDOXUSRS.NET file        

255        Number of fields per table        

255        Size of character fields        

2        Billion records in a table        

2        Billion bytes in .DB (Table) file        

10800        Bytes per record for indexed tables        

32750        Bytes per record for non-indexed tables        

127        Number of secondary indexes per table        

16        Number of fields in an index        

255        Concurrent users per table        

256        Megabytes of data per BLOB field        

100        Passwords per session        

15        Password length        

63        Passwords per table        

159        Fields with validity checks (32 Bit)        

63        Fields with validity checks (16 Bit)        

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