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What is a dataset?
A dataset is an in-memory database that is disconnected from any regular database, but has all the significant characteristics of a regular database. Datasets can have many tables, relationships, referential integrity rules, referential integrity actions, views and the equivalent of triggers. Datasets are required to give a standardized, non-proprietary means to process database views. They are especially significant for the processing of views with many multivalued paths.
Give an example of operations from the State Actions and Activities. For instance, in bank the activity verify account code and verify password
What are the three classes of SQL expression? SQL expression consists of three clauses: Select From Where
What do you understand by RAID? Explain RAID Level 4 and Level5? RAID - It is stands for Redundant Array of Inexpensive Disks (as named by the inventor), or alternatively Re
Question 1: (a) Planning and management of ICT projects have a very poor record in developing countries. Briefly explain five critical success factors for correct implementa
State the Design of Associations Before designing associations, it is essential to know the way they are used. For this, analysis of association traversals is required. It is
Consider the following relational scheme: R (a,b,c,d,e,f) and its corresponding set of FDs {d→ a, be → c, ac → e, b → f, f → d, a → c}. a. Is the following decomposition i) non
(1) Insert into PERSON Violated constraint: - Key constraint Reason: - Primary key 1 already exists in PERSON. Dealing: - DBMS could ask the user to provide valid PER
Evaluate: a.When transactions T1 and T2 are in a deadlock, one of the transactions will eventually implement to completion and let the other one continue implementation. b.
prototype of a distributed information system for a national car part retail outlet chain.
The scenario You have been approached to design and implement a prototype of a distributed information system for a national car part retail outlet chain. The company comprises
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