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State the definition of association
An association is a structural relationship which specifies that objects of one thing are connected with objects of another. In UML, association is shown as a solid line connecting same or different class. The notation for association among nodes is shown as
Figure: Association between nodes
What is the used of specifying alias? Specifying alias: is used to rename column or attribute in a table.
Object Oriented model :An object has values stored in instance variables within the object. An object also has bodies of code that execute on the object. These bodies of code are
What are called jukebox systems? Jukebox systems have a few drives and numerous disks that can be loaded into single of the drives automatically.
Hi is anyone well versed in accounting information systems available now to help me work through an important assignment due tomorrow at noon?
Advantages and disadvantages of icloud based storage
Describe substring comparison in SQL. For the relation Person (name, address), write a SQL query that retrieves the names of people whose name starts along with ‘A' and address co
what are the limitations of dbms?
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
In E-R Diagram how relationship type is represented ? In E-R Diagram relationship type is represented as a Diamond.
Describe the four main ways of optimising disk block access. Ans: a. Disk b. Non-volatile writes buffers c. File organization (Clustering) d. Log-based file system
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