List of Entries

It could be either spaghetti or tastes, but lookup-in-table searches the list of entries in order. So it is spaghetti. 

All flat file databases are semi-structured, containing a list of entries, with each entry containing a list of data-fields (e.g an Id, an Accession number, key words, a sequence etc.). Figure 1.6 shows a sample of a database entry. Each of the data-fields consists of strings or tokens. The set of productions for each database must describe how to divide the database into entries and then further into fields and then into the strings or tokens within that data field. It is these tokens within each field which are inserted into an index. 

The International Atomic Energy Agency limits its list of entries to 25 descriptions of radioactive materials derived from the United Nations recommendations. 

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