C++ and database help needed

Your system contains the following functionality:

I. Data Definition part:

a. define new tables: table name, attribute names and types

b. for each defined table ask users to input possible constraints,

including Boolean conditions, FDs and MVDs (in this order):

The legitimacy of constrains should be checked:

1. ignore conflicting Boolean conditions such as age>10 and age<5 should be ignored;

2. trivial FDs should be weeded out, all FDs should be saved

in non-trivial format;

3. trivial MVD or MVD that is trivialized by an existing FD,

e.g., A->->B is trivialized by A->B.

4. foreign key designation, e.g., ssn in table roster is the

key in table student. If one wants to input a tuple in roster

and the ssn is non-existent, the user will be prompted to

either quit the input or inserting a new tuple to the student

table. if one wants to delete a record in table student,

corresponding tuples in roster should also be deleted.

c. ask users to define keys for each table, if the user-defined keys

disagree the keys reached by its FDs, deny them and make viable

suggestions to the users.

My budget is 80$ and I need it as soon as possible . So if you available only then contact me Thanks

Habilidades: CSS, HTML, Javascript, PHP, WordPress

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Acerca do Empregador:
( 0 comentários ) lahore, Pakistan

ID do Projeto: #6794058

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