???
DBMS? ???? ??????? ??? ? ????.
??????? ???? ??? ??? ?? ? ??? ?? ???? ??? ??? ?? ??? ?? ?? ?????.
?????? ???,
SQLServer(
MSSQL)? ??? IDENTITY ??? ??,
MySQL? ??? auto_increment ??? ??? ?????.
???? ?????? ??? ??? ???? ??? ???? ????.
???? Sequence, ?????(??? Firebird)? Generator ?? ? ???(Before Insert)? ??? ???? ??? ??? ? ????.
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