Representing Data Elements. Fields, Records, Blocks Variable-length Data Modifying Records. Source: our textbook. Overview. Attributes are represented by sequences of bytes, called fields Tuples are represented by collections of fields, called records
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Fields, Records, Blocks
Source: our textbook
(typically 8-16 bytes)
If there is space in the block, then add the record
(going right to left), add a pointer to it (going left
to right) and rearrange the pointers as needed.