Please note that my database is Object Oriented Database management system. I
work on it so much and I got something interesting. First of all I implemented
B-Tree but now days the problem is how to add dynamic object with it's instance
variable to a binary tree. I want to give you an example for clarity:
For instance we have our database and user write this as SQl command:
Create Table exampleTable (
StrignObject first name
IntegerObject age
FloatObject salary
);
Insert into exampleTable (christ, 19, 5000000$);
Insert into exampleTable (Joanna, 19, 5000000$);
…
The problem is because every object use Archiving mechanism to save themselves
on disk how to forward message to each object. The methods are -initWithCoder:
and encodeWithCoder:. Another problem is what is table? Another question is how
to implement relationship. And so on. Any suggestions are welcomed.
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