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What is data abstraction?
Data abstraction is the reduction of a body of data to a simplified representation of the whole. Data abstraction is usually the first step in database design in order to create a simplified framework that can be added to in order to complete the database.
How does relational database relate to programming?
A relational database system is a set of generalized methods for organizing, storing and retrieving information. For certain types of computer applications, the use of a relational database greatly reduces the time and effort needed to design, write and debug new software, by eliminating the need to develop code to handle storage, sorting and retrieval for each program.
What is the difference between schema and database?
Database schema are the logical structure of entities (tables or object classes) and their relationships (keys, or object associations) in a database. Schema can exist at different levels of abstraction (see: en.wikipedia.org/wiki/Database_schema). Schema themselves may or may not exist as such in a database. In general schema at the higher levels of abstraction are design models that are captured in printed documents, and authored by business analysts and database designers, rather than created by database programmers and stored in the database itself. But in some types of databases, schema at any level of abstaction can be realized physically. In Oracle databases, schema can be realized as schema objects, which are a part of an Oracle database. These schema objects may represent a human user's conceptual model of the knowledge captured in an enterprise database. Thus defined, there can be many schema that can be associated with one physical database. In other kinds of relational database, an abstract user's schema can be represented by logically linked metadata, views, and stored procedures assocated with a user class. In object-oriented databases, especially those based on the highly self-referential language Smalltalk (e.g. Gemstone/S), schema are realized as "physical" objects in the database as a matter of course, as well as in the logical models captured in design documents. The schema objects in such databases are, in essence, the classes comprising the infrastructure of the database or application. Oracle-style user schema are readily created; these would be realized as user interface orchestrator classes.
What are transitive pictograph verbalizations?
See the t-shirt below in the Related Links, and then read the following answer:As with the popular and oft copied/parodied "I
What is relationship in er diagram?
In Database Analysis and Design; the relationship in an ERD can only be mandatory or optional between two entities. Mandatory is where both entities must be present, whereas with optional, you don't always need two entities.
Describe the dependency diagram and explain its purpose?
A dependency diagram is a visual representation of a dependency graph. Dependency diagrams are integral to software development, outlining the complex, interrelationships of various functional elements. Typically in a dependency diagram, arrows point from each module to other modules which they are dependent upon.The dependency diagram is used as an aid to normalization within database design.
Design a Web Database?
form_title=Design a Web Database form_header=Hire a developer to design a database to complement your business. What kind of business is the database design for?=_ What will you need the database design to offer?=_ Will you need ongoing support for the design?= () Yes () No () Not Sure
What is the meaning of database design?
There is only one meaning of the words database design. Data base design means the process of creating a very detailed data model of a database. It is used for a database, of course. Hello, Database design is part of system development, it is the process of producing a detailed data model of a database. A database is a collection of information that is organized so that it can easily be accessed, managed, and updated. Databases are used everywhere in the world of web development. - conceptual database design - logical database design - physical database design Database designing , website designing & development requires proper knowledge about that. If anyone wants more information about that can communicate with the Hvantage Technology. I also visited this site it has all related information.
What is database design?
Design of the database (Database Design) refers to a given application environment, optimize the structure of the database, the database and applications, which can efficiently store data to meet the application needs of various user information needs and processing requirements). At www. myelibrary.net.In you can clearly understand what is the database design.
Database Design?
form_title=Database Design form_header=Transform your company by incorporating a new database design. What program will the database be used with?=_ Please explain what you will be using the database for?="" Do you have a database that you're already using?= () Yes () No
Marketing Database Design?
form_title=Marketing Database Design form_header=Successful marketing comes from a well-designed database. Have one designed by a professional. What does your business do?=_ What is your budget for the database design?=_ Who is your target audience?=_ When does the database need to be completed?=_
How is database structured?
That depends on the type of database it is and the design of the Database Annalist.
What is non transitive dependency?
Non-transitive dependency occurs in a database when a relationship between three or more attributes does not imply a direct relationship between all of them. Specifically, if attribute A is dependent on attribute B, and attribute B is dependent on attribute C, it does not necessarily mean that attribute A is dependent on attribute C. This type of dependency can complicate database normalization and design, as it can lead to redundancy and anomalies in data management. Understanding non-transitive dependencies is crucial for ensuring data integrity in relational databases.
Custom Database Design?
form_title=Custom Database Design form_header=Design, develop and manage the database that fits your business needs. What do you need the database to offer?=_ Who will have access to the database?=_ Is this database for the internal or external public?= {(),Internal,External} Do you need the new database to integrate with a current system?= () Yes () No () Not Sure
How do you design forms in object oriented database?
A database is about storing data, not about creating forms. You would create the forms in some programming language - NOT something directly related to the database server - than have your forms, or rather your program in general, connect to the database.
Database Design Tools?
form_title=Database Design Tools form_header=Build a complicated database with ease by getting help from the experts! What tools do you want included on the database?=_ What is your budget for the database?=_ When does the database need to be completed by?=_
Could you explain the purpose of logical database design?
Logical database design is the process of designing the database at a conceptual level as opposed to a physical level. There are many advantages of conceptual database design, such as the ability to design the database without having to commit to a particular database management system, to produce a document that is readable and understandable to everyone in the company (not just the database person) and to produce an overall design document that can be saved as a part of the documentation of the database for future enhancement, maintenance and support work. Logical database design produces documents for use in the same way that architects produce blueprints for building purposes.
