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How do we access Databases using JDBC of Java? How do we program? Please give an example.
transaction processing to the database INSERT functionality from the previous week to make it operate more reliably. Changes to the database will be committed
Write a SELECT statement that returns three columns: InvoiceTotal From the Invoices table, 10% 10% of the value of InvoiceTotal.
In talking about database security, some aspects to regard as are Data Integrity, Confidentiality, and Malicious Activity. Illustrate how does database security relate to data integrity?
Suppose you are asked to evaluate a DBMS in terms of lock granularity and the different locking levels. Create a simple database environment in which these features would be important.
Practical experience in using Entity-Relationship and Relational Database modelling techniques - design using an E-R diagram an entity-relationship model of the problem, convert the model into a relational model, and assess the normal form of each ..
Provide a brief synopsis analyzing the detailed requirements of your prototype database design and design a database prototype that includes diagrams, data dictionary, design decisions, limitations, etc.
How do e-commerce websites use database technologies to improve sales and track customer-buying and customer-searching habits? In your discussion, provide at least three examples of e-commerce websites that use databases.
Discuss how this organisation has responded to the introduction of Information Systems (IS) into their business paradigms. Highlight the advantages of IS, the disadvantages and the resultant shortfalls that must be addressed in this organisation.
imagine that you are the administrator for a small accounting company which currently employees 200 people. the ceo
Explain efficient algorithm that, provided edge-labeled graph G with distinguished vertex v0 and sequence s = σ1, σ2, ..., σk of characters from Σ, returns path in G which begins at v0.
Describe the information seen, using the terms such as table, schema and key. Describe the EMPLOYEE and EMP_PHOTO tables in detail.
Consider relation schema r(A,B,C,D,E, F) and a set of functional dependencies {A BCD,BCDE,BD,DA}. Calculate canonical cover for set of functional dependencies (show each step of your derivation with an explanation).
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