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Define average latency time.
The average latency time of the disk is one-half the time for a full rotation of the disk.
Define the Query optimisation The query parser commonly generates a standard initial tree to correspond to an SQL query, with no doing any optimization. Such type of a canonica
This language that enable user manipulate to or access data as organized by appropriate data model. Low level or Procedural DML : DML needs a user to specify what data ar
what is Mapping Constraints? with examples
Problem: You are given the following schema 1. Flights(flno, from, to, distance) 2. Aircraft(aid, flno, aname, cruisingRange) 3. Certified(eid, aid) 4. Employees(eid, ena
#explain five disadvantages of a dbms..
What is nested relational model? The nested relational model is an extension of relational model in which domains might be either atomic or relation valued.
Use again the GE Flight Quest Data and build on the work done for homework 1 and 2. The goal is to create a classification model which classifies flights into "on-time" (you can de
WHY SHOULD NULL IN A RELATION BE AVOID AS possible?
Explain data abstraction? Data abstraction Data abstraction is a methodology in which enables us to isolate how a compound data object is utilized from the details of how it is
prototype of a distributed information system for a national car part retail outlet chain.
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