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What is conceptual schema?
The schemas at the view level are known as subschema that describe dissimilar views of the database.
We have a new website where I need someone to 1: Inhabit the back end with all the recruitment agencies in the UK. I require someone who is not manually going to do this, but who w
What is an Operand? The data on which the operation is to be performed is known as an Operand
What are the storage types? The storage types are: a) Volatile storage b) Nonvolatile storage
What are called jukebox systems? Jukebox systems have a few drives and numerous disks that can be loaded into single of the drives automatically.
What is a Data Flow Diagram? Data Flow Diagram: A data flow diagram is the graph that shows flow of data values from their sources in objects in the course of processes whic
Types of Data fragmentation
What are the different strategies of implementation of the Statecharts? There are two strategies for implementation of state charts: i) Basic Implementation Strategy
External failure : A failure can also result because of an external cause, such as earthquakes, fire, floods, etc. The database must be duly backed up to avoid troubles occurring d
Example: Consider the following relations: ROLLNO NAME ADDRESS COURSE_ID 100 Ka
What functions does a data dictionary perform? In a (DBMS)data management system, the principal functions performed by the data dictionary are Management of data defini
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