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Explain Alternate key? Alternate Key - All the candidate keys except primary key are known as alternate keys.
Define tuple variable Tuple variable is a type of variable whose domain is the set of all tuples.
What are the advantages of object ID? The main advantages of Object IDs are as below: i) IDs are not changing ii) IDs are completely independent of the changes in data v
explain participation constraints with examples
User error : This contains errors in the program (e.g., Logical errors) with errors made by online users of database. These types of errors can be avoided by applying some check
please i request for your assistance in developing a case-based online phone repair
Benefits and limitations
Whta is the advantage of the database management approach? The advantage of the database management approach is data is integrated and can be accessed by multiple programs.
random file sharing
Define garbage collection. Garbage may be formed also as a side effect of crashes. Periodically, it is essential to find all the garbage pages and to add them to the list of fr
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