Monday, July 2, 2007

acid properties

atomicity-----every transaction shud either be complete or shud nt begin at all...

consistency-----database shud b in consistent state b4 and after d transaction.,means dat transaction shudnt violate the integrity constraints, rules, etc.

isolation-----the ongoing operations in an transaction shud be isolated to other operations....only the end result of the transaction is visible to others nt intermediate results

durability-----once the user has been notified of successful completion of a transaction....this change shud persist wen the system is rcovered after a system failure

1 comment:

Anonymous said...

Good for people to know.