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Describe the different procedure carried on in DBMS for student database in which fields are student id, student name, student class, marks. Write down the difference between traditional file systems Vs modern database environment
Describe the following:
i. Physical data independence Vs logical data independenceii. DDL Vs DMLb. Decribe criterion for Database classifical
Evaluate the success WellCo and PharmaCARE shareholders
Explain the role of a database administrator,the tasks performed by this role and why this role is important in Database Management.
Compare activity (quite theoretical) of the disk (in number of bytes) required for each of both relational. Write down the advantages and inconveniences of new relational scheme.
Calculate a canonical cover for above set of functional dependencies (show each step of your derivation with an explanation).
Illustrate relational algebra expressions for names of all salespeople, names of all salespeople having ORDER row and names of salespeople not having ORDER row.
Compare the two non-sequential file structure models. What advantages does the first one have over the second and what advantages does the second have over the first?
Illustrate all data in each of the four tables. Don't show foreign key columns. Write down the names and e-mail addresses for all customers who have had stove repair which cost more than $50.
How can you make your database more hacker proof? How do you ensure the security of an organizations distributed database?
Sketch hash table of length 11 which results from using hash function h(i) = (2i + 5) mod 11, to hash the keys 12, 44, 13, 88, 23, 94, 11, and 39,
Use Microsoft Access to develop preliminary (no keys and no relationships) database tables for Huffman Trucking Driver Log.
Design a Database schema
Proceed with all steps in information-level design to add this user view to existing cumulative design. Is this table in1st NF?___No____ . If Yes skip. If not, write Table in DBDL notation after applying the methodology we use for converting into 1NF..
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