SQL Server identity column and imports -


i'll try , explain in simple terms leaving out whys , wheres of how occured.

currently there 2 databases need merged, have same tables etc , in cases lookup tables identical, in cases , in cases records in 1 database have different identity values there equivalent in other db. it's mess.

let on 1 of databases update identity values bu adding 10,000 them , updating related records. import data , yes in cases lookups have same value twice different identities.

the question not regarding above mess :). want know after re enabling identity column have seed values of

1,2,3,4,5 etc , 10001, 10002, 10003 etc. should more rows inserted , continue lets 9999 identity column use 10,000 , 10,004 or sql server complain on next insert identity value used?

i tested simple insert's: have disable identity_insert first each table want import data

set identity_insert table off

then can insert data original identity column values (which you'll need in order maintain references correctly)

after

set identity_insert table on

sql server continues sequence highest element plus one, in case (after inserting ids 10001, 10002, 10003) continue 10004.


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