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Data Dictionary File Sizing

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Mike King:
For Fixed length records its a bit different.  We still create blocks of keys but the records themselves are not put into blocks.  Basically when the file is created we have a 512 file header and at least key block.  Additional blocks can also be created to hold the data dictionary.  The first record is then created following these blocks and as additional key blocks are needed they are intermixed with the fixed length records.

Free space on a FLR is reclaimed using a linked list of deleted records.

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