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What are the key features of Oracle?
Key features of Oracle are as follows:• Read Consistency• Concurrency• Locking Mechanisms• Quiesce Database• RAC• Portability
Describe identifying relationship? Identifying relationship: It is relationship among strong entity and a weak entity it is represented through a doubly outlined diamond in C
What is an index? An index is a structure that helps to place desired records of a relation quickly, without probing all records.
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
Saving Derived Attributes to Avoid Re-computation Data that is derived from other data should be stored in the computed form to avoid re-computation. For this, we could define
What is the error handling Traditionally, bits have been sent over line lacking any error correcting scheme in physical layer. The presence of the CPU in each modem makes it po
What is a function group? A function group is a collection of logically related modules that share global data with every other. All the modules in the group are contained in
What is conceptual schema? The schemas at the view level are known as subschema that describe dissimilar views of the database.
how to implement hyrise in C plus plus
Describe the advantage of State chart Diagram A state chart represents a state machine, emphasizing flow of control from one state to other. A state machine is a behaviour whi
What is the aim of object design The aim of object design is to identify object which the system contains and the interactions among them. The system implements specification
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