Accessing a table This section describes the predicates to read data from a table. As records have generally non-fixed length, searching is often required. The predicates below allow for finding records in the file. If only part of the file represents the table, this call may be used to define a window on the file. Start defines the start of the window relative to the start of the file.
Size is the size in characters.
Skipping a header is one of the possible purposes for this call. If Here is the start of a record, find the start of the record before it. If Here points at an arbitrary location in a record, the start of this record will be returned. There are two predicates for reading records. Read a record from the table.