Recall Your ERD and Create Two-Dimensional Flat File (UNF) - IT Assignment Help

Assignment Task

1. Recall your ERD and create two-dimensional flat file (UNF) from your entities with all your attributes;

2. Find all partial Dependencies and violation of 2NF rules
3. Find all Transitive dependencies
4. Find BCNF violations if there is 
5. Create your New ERD ,make sure you are using “Crows foots” notation again !!!
6. Compare with your first ERD and second ERD after the normalization do you see difference? Why ?

!! Write the commands and capture the outputs after the each step ( screen copy/past are fine)
1. Create Database
2. Create Tables with PKs and FKs ;
• Define which entities will be your PK and FKs and make them “Unique” during to DDL statement.
• If you have any “Constrains” go ahead create in this stage.
1. Test all your tables before the load any data ( make sure all columns are in place)
2. Start inserting data into each table (do not import the file use SQL commands)
3. Test your data, are they in the place correctly?
4. Chose at least two (2) tables from your project that has relationship and ;
a. Show your table records.
b. Create inner joins between two tables and explain what is the purpose of your join ?
c. Create full joins between two tables and explain what is the purpose of your join ?
d. Create left outer joins between two tables and explain what is the purpose of your join ?
e. Create right outer joins between two tables and explain what is the purpose of your join ?
f. Create intersect between two tables and explain what is the purpose of your intersect ?
g. Create union between two tables and explain what is the purpose of your union?
h. Create except between two tables and explain what is the purpose of your except? 

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