An adventure on SQL Server performance and features

Tagsqlserver

Why identity values can jump by the 1000’s ? Is it normal?

W

It must have happened you at least once to find identity columns with values that from one row to the next one jump by 1000’s rows, of course without having anyone deleting the rows in between, how this occurs? Identity columns don’t actually recalculate every time the next number to be inserted, SQL Server caches a number of values in order to obtain faster inserts and polls from...

An adventure on SQL Server performance and features

Emanuele Meazzo

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