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Data-Modeling
Spiral Model and Risk Analysis
Spiral Model and Risk Analysis Specify and explain examples of the types of projects that benefit and the types of projects that suffer from the regular placement of risk analysis within the Spiral Model.'
Scrum Development in respects to the Burndown Chart
Scrum Development in respects to the Burndown Chart One popular tool in scrum development is the burndown chart, which diagrams the day-to-day progress that a scrum development team is making on a particular...
Relational and Dimensional Data Modeling
Relational and Dimensional Data Modeling How does Relational Data Modeling differ from that of Dimensional Data Modeling?'
Manages's salary details are hidden from employees This is 1. conceptual level of data hiding
Manages's salary details are hidden from employees This is 1. conceptual level of data hiding 2. physical level of data hiding 3. external level of data hiding 4. either 1...
Match the following in the context of data flow diagram : i. circle a. source of data
Match the following in the context of data flow diagram : i. circle a. source of data ii. square b. file or data base iii. arrow c. conversion process iv. parallel line d. data...
Is this statement TRUE or FALSE – all databases must be in third normal form?
Is this statement TRUE or FALSE – all databases must be in third normal form? '
In which normal form is the dimension table and fact table in the schema?
In which normal form is the dimension table and fact table in the schema? '
How we are going to decide which schema we are going to implement in the data warehouse?
How we are going to decide which schema we are going to implement in the data warehouse? ie. whether it should be Star schema or snow flake schema?'
Generally speaking,for a weak entity set to be meaningful it must be part of a 1. one-to-one relationship
Generally speaking,for a weak entity set to be meaningful it must be part of a 1. one-to-one relationship 2. one-to-many relationship 3. many-to-many relationship 4. depends on a particular situation...
Describe the third normal form?
Describe the third normal form? '
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