identifying rows locked in row level locking

 > I understand that ObjID of LOCKtag recognizes each individual row locked 
by
>a row level lock. BUt i have noticed that if i lock 2 different rows of the 
>same table they have the same blkno. is this deduction ok?

If they happen to be stored in the same block, they'd have the same blkno 
...


then how would we recognize each individual row locked?

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