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Lab: Structured Query Language (SQL)
Perform the following steps in MySQL:
Add at least five (5) records into each table (Note: You must determine the field values).
Create a query with all fields from the student table, where the student's last name is "Smith".
Create a query that includes students' first names, last names, and phone numbers.
Create a query that includes instructors' first names, last names, and courses they teach.
Data processing needs taking or receiving the data from a source and doing something with it. The same can be said about the transaction processing. When working along with a file, whether it be a fixed length.
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.
Create a project that displays information from the Products table in the Northwind database. Fill a drop-down list with the product names. When the user selects a product, display these fields: ProductiD, UnitPrice, and UnitsInStock.
You have been asked to design database design for BoingX Aircraft Company (BAC), that has two products: TRX-5A and TRX-5B HUD (heads-up display) units.
Calculate a canonical cover for above set of functional dependencies (show each step of your derivation with an explanation).
Name four attributes that you can use to define a data flow in the bus information system. Name four attributes that you can use to define a data store in the bus information system.
Draw the class diagram which covers all the situations described in the carpark system, showing inheritance, association (aggregation and composition as necessary) and multiplicity. Include all attributes and operations/methods.
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?
Case Study based on an Interview contained in a separate document (Please see the details in page 221 of your text book). Carefully read this case study. You are required to answer the following questions based on the Case Study.
virtual private databasesearching web specially oracle and microsoft websites and via talking with any database
in online marketing a shopping cart is a piece of e-commerce software on a web server that allows visitors to an
Find out which data from database to archive; that is, for each table, Write down whether data requires to be archived.
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