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What are segments in oracle?
Segments - Each table has single field of disk space, known as segment, set aside for it in the tablespace. Segments consist of contiguous sections known as extents.
What are stored and derived attributes? Stored attributes: The attributes keeps in a data base are known as stored attributes. Derived attributes: The attributes that are de
does tables are called relations
Describe Parameteric end users? Parametric end users might be given update access, but are commonly not permitted to change the structure of data.
Create an entity relationship diagram, Database Management System
3 assignments combined in 1
Create a view emp_dep containing e_name and number of dependents from the tables employee and dependent of (i) CREATE VIEW emp_dept AS SELECT ename, COUNT(*) FROM employee, dep
Implementation of association as an object Implement as a separate association object, independent of either class, as in Figure. An association object is a group of pairs
Why do you go for sorting your query results? SQL SELECT command to fetch data from MySQL table. Whenever you select rows, the MySQL server is free to return them in any order
Objectives After reading this unit you should be able to: Explain storage of databases on hard disks; Discuss the execution of various file Organisation techniques;
i want to database for online assignment submission system
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