What are the steps in designing a database in base?

What are the steps in designing a database in base?

The design process

1. Determine the purpose of your database. This helps prepare you for the remaining steps.
2. Find and organize the information required.
3. Divide the information into tables.
4. Turn information items into columns.
5. Specify primary keys.
6. Set up the table relationships.
7. Refine your design.
8. Apply the normalization rules.

What are rules in database?

CODD’s Twelve Rules of Relational Database

• Rule 0: Foundation rule.
• Rule 1: Information rule.
• Rule 2: Guaranteed access rule.
• Rule 3: Systematic treatment of Null values.
• Rule 4: Dynamic Online Catalog.
• Rule 5: Powerful and Well-Structured Language.
• Rule 6:View Updation rule.
• Rule 7: Quality Insertion, Update, Deletion.

What are the basics of logical database design?

Logical database design is the process of transforming (or mapping) a conceptual schema of the application domain into a schema for the data model underlying a particular DBMS, such as the relational or object-oriented data model.

What are the basic elements of database?

The five major components of a database are hardware, software, data, procedure, and database access language.

What are the four stages of designing a database?

The 4 Phases That Create Database Design

• Conceptual design. When every data requirement is stored and analyzed, the next thing that we need to do is creating a conceptual database plan.
• Logical Design. The logical phase of database design is also called the data modeling mapping phase.
• Normalization.
• Physical Design.

What are the six steps necessary to design a database for a set of requirements?

6 Steps for Best Practices in Database Design

1. Table Structure and Purpose.
2. Choose the Right Data Modeling Software.
3. Outline the Requirements.
4. Model the Data with Care.
5. Use Appropriate Data Types.
6. Define or Adopt a Style Guide.

How are database rules stored?

When the data is stored in SQL, you have several options:

1. Create SQL code that will extract the results of the “business rule”.
2. Create a user defined function that will parse and execute the business rule.
3. Extract the data to another environment, such as C++ or C#, and run the code there.

What is the rule of database management system?

Codd’s twelve rules are a set of thirteen rules (numbered zero to twelve) proposed by Edgar F. Codd, a pioneer of the relational model for databases, designed to define what is required from a database management system in order for it to be considered relational, i.e., a relational database management system (RDBMS).

What are the major guidelines for logical database design?

Logical database design

• Define the tables you need based on the information your business requires.
• Determine the relationships between the tables.
• Determine the contents (or columns) of each table.
• Normalize the tables to at least the third normal form.
• Determine the primary keys and the column domain.

What is database physical design?

Physical database design represents the materialization of a database into an actual system. While logical design can be performed independently of the eventual database platform, many physical database attributes depend on the specifics and semantics of the target DBMS.

What are the 6 elements of the database?

The Elements of a Database

• The database schema.
• Schema objects.
• Indexes.
• Tables.
• Fields and columns.
• Records and rows.
• Keys.
• Relationships.

What are the six database objects?

What are the six database objects? ​

• Tables. Tables are responsible for storing information within the database. …
• Relationships. …
• Queries. …
• Forms. …
• Reports. …
• Macros.

Which is the first rule of database design?

When you start your database design the first thing to analyze is the nature of the application you are designing for, is it Transactional or Analytical. You will find many developers by default applying normalization rules without thinking about the nature of the application and then later getting into performance and customization issues.

Is it easy to design a relational database?

This article/tutorial will teach the basis of relational database design and explains how to make a good database design. It is a rather long text, but we advise to read all of it. Designing a database is in fact fairly easy, but there are a few rules to stick to.

What do you need to know about database design?

A good database design starts with a list of the data that you want to include in your database and what you want to be able to do with the database later on. This can all be written in your own language, without any SQL. In this stage you must try not to think in tables or columns,…

How are records and fields form the basis of a database?

Records and fields form the basis of all databases. A simple table gives us the clearest picture of how records and fields work together in a database storage project. Figure 7.3. Example of a simple table by A. Watt.