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Under what siyuations would you use sequential file over database? Explain these situations. When would the database be more beneficial than sequential file? Is it possible for two kinds of permanent storage to be used interchangeably? Describe your answers.
What is the two-phase locking protocol and what is the strict two-phase locking protocol? What is the rigorous two-phase locking protocol? What benefit does strict two-phase locking protocol provide? What benefit does rigorous two-phase locking pr..
Create a database from scratch that contains, at a minimum, the elements listed below
Using your knowledge of Premiere Products, determine the functional dependencies that exist in the following table.
Draw an ER diagram for database scenario. Design a set of 3NF tables for your database scenario.
Design an Entity model and construct a set of tables with suitably defined columns to support this scenario and find details of all books stocked in London
Explain how you will visually represent the data for the sales of the individual stores and for the time period shown. You want to show the change in sales for each store over time for the past three years.
Create a structurally sound relational database schema showing the minimum number of fields, tables, and relationships between the tables.
Explain how you would follow three phases of traditional database design method (Hierarchical, Network, and Relational), considering the following scenario.
One of the tenets of database development is to never permit developers to create or own objects during development. All objects are created by application owner and stored in that schema.
Create a stored procedure that updates the members' balance in the membership table by correctly recording the current or outstanding balance for each customer.
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..
Write down the advantages and disadvantages of working with multiple tables? Write an example of situation where multiple tables would be suitable in the application.
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