Asrecordsaredeleted,theLOBdatasegmentsaremarkedaspsuedo-deletedandtheycanonlybereusedwhenthe‘readLSN‘ofthetableprogressespasttheLSNofwhenthedeleteswereperformed(youcanthinkofthisasallowingread-stabilityisolationforanyolderopenreadtransactionsincasethepseudo..
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2015-04-23 13:48:08
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