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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 data.
What are the function of DBA?
Replicating Data One approach that may support efficient access to dissimilar applications as above may be to give access to every of the applications from dissimilar replicate
What is a recovery scheme? An integral part of a database system is a recovery scheme that can restore the database to the reliable state that existed before the failure.
What are the time stamps associated with each data item? W-timestamp (Q) denotes the largest time stamp if any transaction that implemented WRITE (Q) successfully. R-timesta
What does Aggregation mean?
Name the metrics for selecting top algorithm There are a number of metrics for selecting top algorithm: i) Computational complexity: Computational complexity refers to eff
Which is the properties of entities? Attributes is the properties of entities.
Key to represent relationship amongs tables is called ? A Key that represent the relationship between tables is called Foreign Key.
how to write tables and drow E-R diagrams for hosiptal management system and how to normalize and cardinalities?
does tables are called relations
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