It question | Database Management System

 

  1. Describe DBLC (Database Life Cycle) and its phases.
  2. Describe concurrency in a DBMS and how it is managed.

Ce the cethcoming consultations transcribe the required SQL propositions:

3. Transcribe an SQL proposition to constitute the PET consultation.

4. Transcribe an SQL proposition to exhibition the construct and expression of whole dandles.

5. Transcribe an SQL proposition to evidence the construct, expression, and DOB of whole dandles having the expression Dog.

6. Transcribe an SQL proposition to exhibition the dandle possessor chief spectry, definite spectry, and dandle spectry. Hint: you need to be-mixed PET_OWNER and PET consultations.

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Final exam project:

A factory has separate lines. A line may keep divers employees not attributable attributablewithstanding must keep at lowest seven. Total employee works ce undivided and solely undivided line. Total line has a superintendent — solely undivided superintendent per line. A superintendent is an employee of the union, not attributable attributablewithstanding not attributable attributable attributable whole employees are superintendents. A line may keep divers meanss, and total means is assigned to a biased line. Fruits are dindividual on meanss. A fruit can be an parterre of separate incongruous elements or a individual concern. Total fruit goes through undivided or further meanss ce misspend fruition influences. Likewise, separate fruits may go through a feature means ce a fruition influence. The employee has a chief spectry, definite spectry, and intermediate spectry, gender, discourse, and compensation. An employee estimate choicely identifies an employee. Lines keep lines spectry, expression, and location. The line’s spectry and estimate are twain choice identifier of a line. Total means conciliate keep a choice means estimate, spectry, expression, and vendor’s spectry.

When a means goes ce subsistence, the age of subsistence must be smitten, gone a subsistence earnestness is authorized by the age of the subsistence ce each means. The attributes of subsistence earnestness are date smitten and require.
A fruit is authorized by its element ID, element spectry, and cognomen.

7- Constitute an ERD by chief identifying the entities, then their relationships, and finally subjoin the attributes to each existence.

8- Constitute a argumentative facts standard from ERD, including original and ceeign keys.

9- Implement the argumentative standard into a DDL and construct the factsbase in SQL Server (or any other DBMS that you keep based)

10- Constitute some synthetic facts and extort the facts into the factsbase.

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