Question Detail Attribute of one table matching to the primary key of other table, is called as foreign keysecondary keycandidate keycomposite key Answer: Option A Similar Questions : 1. Modify operation is likely to be done after DeleteLookupIndexingInsertion Answer: Option B 2. File record length should always be fixedshould always be variableshould be chosen to match the data characterdepends upon the size of file Answer: Option D 3. Which among following contains a complete record of all activity that affected the contents of a database during a creation period of time report writerquery languageDMLtransaction log Answer: Option D 4. Data management system may be implemented as system softwareapplication softwarecomputer programall of above Answer: Option D 5. Network structure is a physical representation of datais conceptually simpleallows many to many relationshipsnone of above Answer: Option C Read more from - Database Question Answers - Chapter 1