Database design is defined as the process of building a detailed data model for a database. There are two types of models to create a database design, which are, physical model and logical model. The logical model is used to generate the Data Definition Language (DDT) along with physical designs and storage parameters. DDL is used to outturn database. Each entity in Database Design is designated with a fixed set of attributes.
Database Design is a vast term which is used to describe different parts of database management. Database Design in simple words is defined as “creating logical design and data structures to store data”. Database design can be used for all the processes of designing a database.
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Keeping in mind the rapid growth of data in the past few years, it is mandatory to have a booming database which is capable of holding a million entries. Majority of businesses are data driven, for instance Google, Facebook, Twitter and other such marketing companies. Along with keeping the information, another very important part of database is Data Retrieval. The Database concept is disadvantageous if we are unable to retrieve the data at a profitable rate. Hence, Database Design is an extremely important of databases.
Database design assignment help step wise:
OBJECTIVE OF DATABASE is to help follow up the surplus steps.
The next step is to identify the information such as the username, date of birth, email id, password which is required to store in the database.
Design tables are required to identify the information related to entities and to put them in tables of User profile, user account etc.
After figuring out which set of data goes under which table, each item turns into a field and is demonstrated as a design column in the table. For instance, information like username, email id and password turns into columns of user_account and name and date of birth become user_profile.
Each row needs to be identified distinctively and assigned a primary key, such as, the primary key for userid is user_account.
The next step is to relate columns of one table to another to maintain the consistency. This is called design relationship between the tables. For instance, user_profile and user_account tables would be related as user_id in both tables.
After reviewing the database design the next step is to build the actual database and tables to insert the data and check the legitimacy of the obtained results. This step is called Review and Refine your design. If the results are incorrect, redesign the database.
The last step is to apply the normalization rules in the database to make it design robust.
Interest is the first factor that is necessary to learn and understand any subject. Without a keen interest it is very difficult to understand a subject, let alone ace it. Along with interest, the subject of Database Design also requires concentration.
Database Design can be pretty demanding sometimes and it takes a good amount of time and concentration to be understood through various diagrams and database structures to implement practically.
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