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What is vertical fragmentation?
Vertical fragmentation divides the relation by decomposing the scheme R of relation r.
i need to implememnt a treee based mining algorithm. do you have an expert that can do that?
State about the Tables- DBMS Data is stored in columns and rows (much like a spreadsheet -main difference is how data is organised). Every row in a table is known as a record
what is query processing?
1. Which model is used to store data in tree structures Ans: Hierarchical model is used to store data in tree structures
Determine the OBJECTIVES of object design After passing through this unit, you should be able to: describe and apply concept of generalisation; understand and appl
Differentiate between a Global and a Local temporary table? - A local temporary table exists only for the duration of a connection or if defined inside a compound statement, fo
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
Now that she understands more about the benefits of databases, the play-scheme manager would like to extend the play-scheme database to include data for schools and instructors as
external and internal mapping with examples
, write the relational schema, and draw the new dependency diagrams. Identify the normal forms for each table structure you created
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