Database normalization is the process of structuring a relational database in accordance with a series of so-called normal forms in order to reduce data...
36 KB (2,852 words) - 20:00, 17 July 2024
Look up normalization, normalisation, or normalisâtion in Wiktionary, the free dictionary. Normalization or normalisation refers to a process that makes...
3 KB (431 words) - 00:36, 7 August 2024
Denormalization (redirect from Database denormalization)
previously-normalized database to increase performance. In computing, denormalization is the process of trying to improve the read performance of a database, at...
5 KB (693 words) - 14:45, 26 June 2024
Machine "An Introduction to Database Normalization". Archived from the original on 2011-06-06. Retrieved 2012-02-25. "Normalization". Archived from the original...
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Data warehouse (redirect from Dimensional database)
does business. In the normalized approach, the data in the data warehouse are stored following, to a degree, database normalization rules. Tables are grouped...
38 KB (4,883 words) - 18:54, 10 May 2024
Third normal form (category Database normalization)
system Codd, E. F. "Further Normalization of the Data Base Relational Model", p. 34. Codd, E. F. "Further Normalization of the Data Base Relational Model"...
14 KB (1,791 words) - 11:52, 18 August 2024
Unnormalized form (category Database normalization)
database normalization, unnormalized form (UNF or 0NF), also known as an unnormalized relation or non-first normal form (N1NF or NF2), is a database data...
6 KB (663 words) - 20:27, 25 August 2024
Sixth normal form (category Database normalization)
Sixth normal form (6NF) is a normal form used in relational database normalization which extends the relational algebra and generalizes relational operators...
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serves as the value. "DB-Engines Ranking per database model category". "Description of the database normalization basics". Microsoft. 14 July 2023. Wambler...
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Canonical form (redirect from Data normalization)
called data normalization. For instance, database normalization is the process of organizing the fields and tables of a relational database to minimize...
19 KB (1,873 words) - 02:49, 30 June 2024
it with abstractions that are less likely to change, or using data normalization which avoids redundancy in the first place. The DRY principle is stated...
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legacy database schema. Database refactorings are often motivated by the desire for database normalization of an existing production database, typically...
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relational databases. Codd's steps for organizing database tables and their keys is called database normalization, which avoids certain hidden database design...
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Second normal form (category Database normalization)
Second normal form (2NF), in database normalization, is a normal form. A relation is in the second normal form if it fulfills the following two requirements:...
6 KB (639 words) - 16:12, 30 July 2024
Fourth normal form (category Database normalization)
is a normal form used in database normalization. Introduced by Ronald Fagin in 1977, 4NF is the next level of normalization after Boyce–Codd normal form...
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First normal form (category Database normalization)
no table column can have tables as values. Database normalization is the process of representing a database in terms of relations in standard normal forms...
16 KB (2,168 words) - 17:49, 13 March 2024
dependencies is an important part of designing databases in the relational model, and in database normalization and denormalization. A simple application of...
20 KB (2,583 words) - 16:32, 28 August 2024
Bitemporal modeling (category Database normalization)
considered different from dimensional modeling and complementary to database normalization. The SQL:2011 standard provides language constructs for working with...
3 KB (361 words) - 09:18, 10 February 2024
Relational model (redirect from Relational model of database management)
of tuples, grouped into relations. A database organized in terms of the relational model is a relational database. The purpose of the relational model...
30 KB (4,208 words) - 19:11, 26 August 2024
Boyce–Codd normal form (category Database normalization)
normal form used in database normalization. It is a slightly stricter version of the third normal form (3NF). By using BCNF, a database will remove all redundancies...
14 KB (1,625 words) - 10:10, 30 August 2024
creating a logical database design using this model uses a methodical approach known as normalization. The goal of normalization is to ensure that each...
75 KB (9,583 words) - 15:14, 10 August 2024
of database theory which studies implication and optimization problems related to logical constraints, commonly called dependencies, on databases. The...
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Data redundancy (redirect from Redundancy (databases))
corruption and generally should be avoided by design; applying database normalization prevents redundancy and makes the best possible usage of storage...
5 KB (509 words) - 19:40, 9 March 2023
data. Database normalization – process of organizing the fields and tables of a relational database to minimize redundancy and dependency. Database refactoring...
30 KB (3,490 words) - 08:17, 7 December 2023
Fifth normal form (category Database normalization)
projection–join normal form (PJ/NF), is a level of database normalization designed to remove redundancy in relational databases recording multi-valued facts by isolating...
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Edgar F. Codd (category Database researchers)
Darwen Database normalization List of pioneers in computer science Relational Model/Tasmania (RM/T) Codd, Edgar Frank (1982). "Relational database: A practical...
16 KB (1,420 words) - 13:05, 29 July 2024
Single source of truth (category Database normalization)
edited) in only one place, providing data normalization to a canonical form (for example, in database normalization or content transclusion). There are several...
13 KB (1,695 words) - 05:46, 11 March 2024
Multivalued dependency (category Database constraints)
dependency. The multivalued dependency plays a role in the 4NF database normalization. A multivalued dependency is a special case of a join dependency...
8 KB (1,293 words) - 19:31, 18 August 2024
Unicode equivalence (redirect from Unicode normalization)
necessarily true. The standard also defines a text normalization procedure, called Unicode normalization, that replaces equivalent sequences of characters...
16 KB (1,902 words) - 14:08, 24 March 2024
Database administration is the function of managing and maintaining database management systems (DBMS) software. Mainstream DBMS software such as Oracle...
11 KB (1,391 words) - 00:15, 25 July 2024