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As reported by our database assignment handler, the DBMS handle three things
Above are the three-point which is the foundation behind your database management that provides you with enhanced concurrency, data integrity, security, and a set of uniform administration procedures. You can contact our database experts who provide you with much-needed solutions to our ‘do my database management assignment’ queries.
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There are many assignments help services that are available in the internet market. You have to think & choose the best service among them. These all are not only providing the service for helping but also provide the demo for the DB assignments which are compiled by the best database experts without any doubts. The database management system is knowns as a DBMS. It makes the group of the records which is also known as raw data. DBMS is used to handle all the data. it is software that helps users to save, modify, collect data. it always defines the structure for the data in which it will store. It defines some rules for handling & verifying the data. it is the backbone of any system which stores the data.
(1) Complete Database Functionalities and User Interface (20 points) (a) List all actors (i.e. users) of your database (b) For each actor, list all use-cases including all the steps. For each entity, you must have use cases that perform at least one aggregate query, one insert operation, one delete operation, and one update operation; for each relationship, you must have use cases that perform at least one joint query. (Number your use cases. That’s a minimum of 34 use cases for 7 entities, and 44 use cases for 9 entities) (2) Complete E/R diagram from Phase 1 (25 points) On you E/R diagram, clearly describe each entity (including, list of entity attributes, and the primary key), and each relationship with its multiplicities. EACH ENTITY IS RELATED TO AT MOST THREE OTHER ENTITIES. (3) Relational Model (25 points) Using the method for translating an E/R diagram to relations, produce a set of tables for your database design. For each table, specify the attributes, their domains, required data constraints, default values, primary key, candidate keys, foreign keys and the tables which the foreign keys are referencing (everything you need for a CREATE TABLE statement) (4) Use Case Realization (20 points) Go back to the list of use cases, write down the complete relational algebra or SQL statements after each use case.
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