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Q1) In the real world, before you can go anywhere, you must know where you are. Web users can also get easily disoriented, being at a new place with no landmarks. For this reason, each page in a Web site should have a descriptive title and header which will be in the same spot on every page. The most important navigational tool is a standard button, icon, and/or text link which returns to the main page of the Web site.
What is the importance to have a button that takes you back to the main page on each web page? How does dead end or orphan pages affect the continuity of a website?
What is the maximum rate at which data can be read from disk, assuming that we can only read data from one surface at a time? What is the average rotational latency?
Carry out the following tasks below by using the correct SQL statements. Create the statements in Oracle by using the following steps (SQL > SQL commands > Enter Command). Determine the columns that make up the primary key of the l_lunch_items tabl..
MCIS 630 Database Systems: - Write a recursive SQL query that outputs the names of all subparts of the part with part-id “P- 100”.
Suppose you have a table which contains 27,000 data records, and you have unclustered B+ Tree Index on the table.
MGMT321 Group Project : You were hired as an analyst to develop a new information system to automate the payroll transactions in a mid-size organization. The proposed system will contain employees’ data and interface with the organization’s General ..
Explain the use of facts, dimensions and attributes in a star schema model. Explain the use of facts, dimensions and attributes in a star schema model.
Create a database from scratch that contains, at a minimum, the elements listed below
Find the average number of books borrowed per member. Take into account that if a member does not borrow any books, then that member does not appear in the borrowed relation at all.
What advantage is there in storing metadata in tables? Is Microsoft Access a DBMS? Why or why not? List the several consequences of a poorly designed database.
Express given five loosely described problems carefully in { Instance, Question } form as utilized in "Computers and Intractability". Determine that a list of n numbers has no duplicates.
Complete (i.e., reverse engineering) ER diagram below such that 4 relation schemas above are exactly result of a translation from the ERD to the relational model.
Create an entity-relationship diagram and design accompanying table layout using sound relational modeling practices and concepts.
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