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AskSQLTeam
Ask SQLTeam Question
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 Posted - 2001-02-22 : 23:25:04
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Aung writes "In MSSQL7 Books OnLine's "Creating and Modifying Identifier Columns", it recommends as follows:
Note If an identifier column exists for a table with frequent deletions, gaps can occur between identity values; deleted identity values are not reused. To avoid such gaps, do not use the IDENTITY property. Instead, you can create a trigger that determines a new identifier value, based on existing values in the identifier column, as rows are inserted.
I would like to know that how to determine a new identifier value.
Thanks,
Aung." |
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Trigger to replace Identifier