Good database design does NOT include: accessible coding so that users can alter the structure of the database.prevent the user from modifying the ID field.
Contents
What are the features of a good database design?
Review: Qualities of a Good Database Design
- Reflects real-world structure of the problem.
- Can represent all expected data over time.
- Avoids redundant storage of data items.
- Provides efficient access to data.
- Supports the maintenance of data integrity over time.
- Clean, consistent, and easy to understand.
What constitutes a good database?
Characteristic of a good database is: We should be able to store all kinds of data that exist in this real world.Data and applications should be isolated. Because the database is a system that gives the platform to store the data, and the data is the one that allows the database to work.
Which of the following does not happen when you close an Access database?
Which of the following does NOT happen when you close an Access database? The Access window will automatically close. database objects are already created. Navigation Pane.
Why good database design is important?
Importance of Database Design
In order to ensure data accuracy, you must design a database that only stores relevant and valuable information. A well-designed database is essential to guarantee information consistency, eliminate redundant data, efficiently execute queries, and improve the database’s performance.
What are the characteristics of a good relational database management system?
The DBMS must support at least one language that can be used independently and from within programs, and supports data definition operations, data manipulation, constraints, and transaction management. Views must be updatable by the system. The DBMS must support insert, update, and delete operations on sets.
What is the product of the database designing phase?
Logical Design
The logical phase of database design is also called the data modeling mapping phase. This phase gives us a result of relation schemas. The basis for these schemas is the ER or the Class Diagram. To create the relation schemas is mainly mechanical operation.
What are 3 types of databases?
Types of Databases
- Hierarchical databases.
- Network databases.
- Object-oriented databases.
- Relational databases.
- NoSQL databases.
What are the 4 types of database?
Four types of database management systems
- hierarchical database systems.
- network database systems.
- object-oriented database systems.
What is database design with example?
An example might be Product ID or Order ID. Set up the table relationships – Look at each table and decide how the data in one table is related to the data in other tables. Add fields to tables or create new tables to clarify the relationships, as necessary. Refine the design – Analyze the design for errors.
Which among the following is not a type of database?
Answer: folder database is not a type of database.
Which access object contains all of the data in the database?
Tables contain all of the raw data in the database. Access information can be printed from forms, queries, and tables.
Which of the following is an example of a database?
Some examples of popular database software or DBMSs include MySQL, Microsoft Access, Microsoft SQL Server, FileMaker Pro, Oracle Database, and dBASE.
What is database designer in DBMS?
The database designer is responsible for defining the detailed database design, including tables, indexes, views, constraints, triggers, stored procedures, and other database-specific constructs needed to store, retrieve, and delete persistent objects.
What are the main components of a database system?
The five major components of a database are hardware, software, data, procedure, and database access language.
What does a database contain?
The information in many databases consists of natural-language texts of documents; number-oriented databases primarily contain information such as statistics, tables, financial data, and raw scientific and technical data. Small databases can be maintained on personal-computer systems and used by individuals at home.
What is a relational database consists of?
A relational database includes tables containing rows and columns. For example, a typical business order entry database would include a table that describes a customer with columns for name, address, phone number and so forth.
What is a non-relational database example?
NoSQL or non-relational databases examples:MongoDB, Apache Cassandra, Redis, Couchbase and Apache HBase. They are best for Rapid Application Development. NoSQL is the best selection for flexible data storage with little to no structure limitations.
Which of the following is not a characteristic of relational database?
Discussion Forum
| Que. | Which of the following is not characteristic of a relational database model? |
|---|---|
| b. | treelike structure |
| c. | complex logical relationships |
| d. | records |
| Answer:treelike structure |
What are the 3 phases of database design?
The methodology is depicted as a bit by bit guide to the three main phases of database design, namely: conceptual, logical, and physical design.
What are the 5 phases of database design?
The five stages in the database life cycle are: Requirements analysis. Logical design. Physical design.