Lyle Winfield
Flashcards by , created about 2 months ago

It be double digit time

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Lyle Winfield
Created by Lyle Winfield about 2 months ago
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Question Answer
What are Serial files? Permanent storage of data. Data is not stored in any order. Whole file needed to be read to be able to index. Useful for storing transactions and initialization files.
What is a Sequential file? Data is stored in the order. Order is maintained when new records are added. Indexed Sequential file. Allows the file to be indexed. Specific groups of data can be accessed.
What is a Database? Structured persisting collections of data. Makes process more efficient. Reduces storage requirements. Avoids redundancy. Allows different users to only see relevant data.
What are Records? Rows in a database Each record stores data for each file
What is a Field? Columns Define the different pieces of data which each record holds