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List the drawbacks of relational database system
A) Repetition of data
B) Inability to s certain information.
Define tuple variable Tuple variable is a type of variable whose domain is the set of all tuples.
The Update Operations : Update operations are used for altering database values. The constraint violations faced by this operation are logically the similar as the problem faced
List some security violations (or) name any forms of malicious access. A) Unauthorized reading of data B) Unauthorized modification of data C) Unauthorized destruction of
What are the two approaches to store relations in distributed database? a) Replication b) Fragmentation
4. Describe three ways to handle missing field values
how many hourse have been spent on a certain project
i need to submit in this topic.
In the ER diagram, one example of subclassing is depicted following the Services entity. The subclasses Item Based and Time Based are created. The entity Services gains the attribu
Name the three major set of files on disk that compose a database in Oracle. There are three main sets of files on disk that compose a database. All the files are binary. These
Domain Constraint It shows that each attribute in a relation has to contain an atomic value only from the corresponding domains. The data types associated with commercial RDBMS
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