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What is known as a search key? An attribute or set of attributes used to look up records in a file is known as a search key.
brief history,definition,current trends and future trends if any of data fragmentation
What is known as clustering file organization? In the clustering file organization, records of several dissimilar relations are stored in the similar file.
Aggregation : One limitation of the E-R diagram is that they do not permit representation of relationships between relationships. In such a case the relationship along with its ent
Write short notes on relational model The relational model uses a collection of tables to show both data and the relationships between those data. The relational mo
MySQL Database Merge Project Description: I have two databases, I need merge the data of one database into another Work to be done online right now. Payment can be done
What is entity in DBMS? Entity: A DBMS entity is either a thing in the modelled world or a drawing element in an ERD.
Briefly explain the state diagram by taking one example. State Diagram - An object can be given a sequence of input instructions. The state of the object can vary depending u
Define blocks? The database system resides eternally on non-volatile storage, and is into fixed-length storage units known as blocks.
1.Why we need data mining? Give an example to illustrate your answer. 2. Why data mining is considered as "misleading name"? 3. Distinguish the difference between database an
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