<transcript><audio_132>which primary key points does it Point towards the table index like where in the table do you have the versioning stuff or do does it point to the actual physical location on dis of the yeah so it depends on the scheme if I newest to oldest every index is going to point to</transcript><transcript><audio_133>the newest head of the link okay and so he said look for primary key updates we're going to assume that it's delete followed by an insert so ignore that case right we swept It Away by a different type of implementation so in this case now I've got uh newest to</transcript><transcript><audio_134>oldest and the version chain has built up A4 is the newest which is being referred to by all the indices right so now if I add let's say a new A5 version then all the secondary Industries have to point to A5 because you know they have to see the whole</transcript><transcript><audio_135>version chain to Traverse through it but in suppose the time Trav version remains in the same in the same position oh you saying in the time travel where I had my you're talking about the scheme number two where the main table had it yep so that's scario</transcript> which primary key points does it Point towards the table index like where in the table do you have the versioning stuff or do does it point to the actual physical location on dis of the yeah so it depends on the scheme if I newest to oldest every index is going to point to the newest head of the link okay and so he said look for primary key updates we're going to assume that it's delete followed by an insert so ignore that case right we swept It Away by a different type of implementation so in this case now I've got uh newest to oldest and the version chain has built up A4 is the newest which is being referred to by all the indices right so now if I add let's say a new A5 version then all the secondary Industries have to point to A5 because you know they have to see the whole version chain to Traverse through it but in suppose the time Trav version remains in the same in the same position oh you saying in the time travel where I had my you're talking about the scheme number two where the main table had it yep so that's scario
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