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Drawbacks of Data Distribution:The primary drawbacks of distributed database systems are the added complexity needed to ensure proper coordination between the sites. This increased difficulty takes the form of:
Higher Software development cost: Distributed database systems are difficult to execute and, therefore, more costly. Increased difficulty implies that we can expect the procurement and maintenance costs for a DDBMS to be higher than those for a centralised DBMS. In addition to software, a distributed DBMS needs additional hardware to establish a network among sites. There are ongoing communication costs incurred with the use of this network. There are also additional maintenance costs to handle and manage the local DBMSs and the network.
Define deadlock prevention. Deadlock prevention is a set of methods for ensuring that at least one of the four essential conditions like mutual exclusion, hold and wait, no pre
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About Attribute inheritance
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Evaluate, compare and contrast the two methods of relational database design namely top down method and Bottom up method. What will be your choice if you are asked to select a meth
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