Answer the following statements true (T) or false (F)
1. An object identifier is a unique key for each record in the database, not just in a table.
2. Secondary keys can be used to select a group of records that belong to a set.
3. Metadata describes the name given and the length assigned each record.
4. Master files are large and contain all the information about an entity.
1. TRUE
2. TRUE
3. FALSE
4. TRUE
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