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Explain ER Relationship model? An entity-relationship model (ERM): An entity-relationship model (ERM) is an abstract theoretical illustration of structured data. Entity-relatio
Determine the steps of path in association network You can analyse use of paths in association network in the following steps: Examine every operation and see what asso
er diagram of sport
Write short notes on extension and intension? In any data model, it is significant to distinguish among the description of the database and the database itself the description
Mention the type of constraints we can specify in the CREATE command of DDL. The type of constraints that can be specified are as follows:- PRIMARY KEY, NOT NULL, UNIQUE, FOR
What are the two types of indices? The two types of indices are:- A) Dense index B) Sparse index
1. Item based services will be charged fixed prices, and time-based will be charged variably depending on time. Such as per hour. Item-based: Fixed, pedicure, waxing, threading, fa
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
Project Description: We have purchased facebook style chat software which we are using with our site. It is prepared in PHP but the rest of the site is developed asp.net. Iss
What sorts of tables one can se in designing the hierarchy of a LDB? Tables, which are having Foreign Key relations.
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