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Improved availability:The data in a distributed system may be replicated so that it is at more than one site. Thus, the failure of a node or a communication link does not necessarily make the data inaccessible. The skill of most of the systems to continue to operate despite the failure of one site results in enhanced availability which is vital for database systems used for real-time applications. For instance, loss of access to data in an airline might result in the loss of potential ticket buyers to competitors.
i am required to come up with entities relationships, optionality and cardinality from a scenario. there is a night club and bookings for a musician band
Every simple attribute of an entity type have a possible set of values that can be attached to it. This is known as the domain of an attribute. An attribute cannot have a value out
Define the Wait for graph Ans: The wait-for-graph is a directed graph and consist of nodes and directed arcs; the nodes of the graph are active transactions. An arc of the grap
Give a sample of the Dynamic Model. The sample of dynamic model is given below: Dynamic model for the car: Brake and Accelerator Brake or Applies Accelerator
Hi I have got an assignment for making an er diagram for market management software can any budy help me?
complete assignment on the above title.
i need help with creating database system for a library
In this practical assignment, we will run through a complete database application development cycle, starting with the schema design, from an initial data import to database applic
What sorts of tables one can se in designing the hierarchy of a LDB? Tables, which are having Foreign Key relations.
List the set operations of SQL? 1) Union 2) Intersect operation 3) The except operation
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