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Data Handling and Research Methods:
The dataset encompassing 130 participants contains several variables measuring detrimental health related behaviours referring to the use of 'recreational' and illicit drugs e.g. caffeine, alcohol, heroin and ecstasy. The study utilises a broad theory- and research- based framework providing evidence for statistically significant relationships between the outlined 'drug consumption' and sensation seeking (some example refs: Golding, 1987, Zuckerman et al., 1990; Sher et. al. 2000, etc). Your main aim is to investigate potential predictors of weekly cigarette consumption You should consider all potential predictor variables but you are at liberty to select for more detailed consideration those variables which in your judgement are most useful predictors and/or of theoretical interest in this context. Please also ensure that the number of predictor variables used is sensible in terms of the ratio number of participants number of predictor variables. You should use multivariate techniques (e. g. multiple linear regression analysis) as appropriate at some stage in your analysis as well as provide simple descriptive statistics and correlations where relevant.
Define the term Domain. For each n every attribute there is a set of permitted values known as the domain of that attribute.
what do you mean by consistency in rdbms?
Define Boyce codd normal form A relation schema R is in BCNF with respect to a set F of functional dependencies if, for all functional dependencies in F + of the form.α ->β.
Introductory course and so does not require any fancy coding. I will provide a guidance document to help you in producing the solutions.
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
Using SQL create a view RS for the relations R and S. The view consists of the columns A and D renamed as X and Y in that order. Insert a tuple into it. Show the contents of t
explain the level architectures of the database management system
Express the subsequent query in SQL assumes which the data is stored within EMPLOYEE table with relevant fields (i) Display name, job, salary, and hire date of employee who are
Explain the steps for reduction of E-R model into relational model. Ans:(a) Entity set in E-R model will be considered as table name in relational Model. (b) Attributes of e
what is attribute is attribute inheritance in dbms?
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