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Explain differance between Primary and secondary storage ?
Computer storage is classified within primary(main) memory and secondary(peripheral) storage.a) Primary storage is commonly RAM; ~10ns access timeb) Secondary storage is commonly hard disk drives; ~10ms access timec) Secondary storage is a lot cheaper than primary, 3¢/Mb vs.$1/Mb.
a) Databases are stored in secondary memory, and large databases are manipulated in secondary storage.b) We required minimising disk accesses while accessing and manipulating databases.
Q. Why would you choose a database system instead of simply storing data in operating system file? Define at a base concept in details. Sol. Advantages of Database over Fil
Explain ODBC? ODBC - Open DataBase Connectivity (ODBC) enable the integration of SQL along with a general-reasons programming language.
Determine the OBJECTIVES of object design After passing through this unit, you should be able to: describe and apply concept of generalisation; understand and appl
imagery
why shadow copy technique is used?
The State of NewYork certifies firefighters throughout state and keep track all of them, as well as of the state’s fire departments. Each fire department has unique department numb
What is an E-R model? Draw an E-R Diagram for the company database with following Descriptions? The company is organized within departments. Each department has a unique name a
Critically evaluate the bulleted list of information-related items in this case study. How are each contradictory to the notion of being an information-literate knowledge worker?
example of bank
What are the different approaches for database design? There are two basic approaches for database design which are as follows: Attribute driven: It compiles a list of att
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