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...
37 KB (2,918 words) - 20:54, 14 May 2025
Data warehouse (redirect from Dimensional database)
the normalized approach, the data in the warehouse are stored following, to a degree, database normalization rules. Normalized relational database tables...
39 KB (4,777 words) - 17:51, 20 July 2025
Machine "An Introduction to Database Normalization". Archived from the original on 2011-06-06. Retrieved 2012-02-25. "Normalization". Archived from the original...
12 KB (1,519 words) - 05:02, 18 April 2025
First normal form (category Database normalization)
most basic level of database normalization defined by English computer scientist Edgar F. Codd, the inventor of the relational database. A relation (or a...
19 KB (2,324 words) - 23:35, 27 July 2025
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) - 09:39, 2 July 2025
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 (691 words) - 08:44, 2 December 2024
Second normal form (category Database normalization)
Second normal form (2NF) is a level of database normalization defined by English computer scientist Edgar F. Codd. A relation (or a table, in SQL) is in...
6 KB (648 words) - 18:17, 29 July 2025
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 (1,895 words) - 21:37, 30 January 2025
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 (1,682 words) - 00:52, 20 June 2025
Look up normalization, normalisation, or normalisâtion in Wiktionary, the free dictionary. Normalization or normalisation refers to a process that makes...
4 KB (450 words) - 12:56, 1 December 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...
7 KB (789 words) - 11:41, 13 July 2025
Third normal form (category Database normalization)
Third normal form (3NF) is a level of database normalization defined by English computer scientist Edgar F. Codd. A relation (or table, in SQL) is in third...
13 KB (1,596 words) - 11:43, 30 July 2025
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 (1,913 words) - 08:57, 16 April 2025
creating a logical database design using this model uses a methodical approach known as normalization. The goal of normalization is to ensure that each...
78 KB (9,882 words) - 04:46, 9 July 2025
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) - 10:13, 16 May 2025
the SQL semantic into database test cases. Database normalization Software testing Unit testing Korth, Henry (2010). Database System Concepts. Macgraw-Hill...
10 KB (1,303 words) - 19:21, 10 August 2023
dependencies is an important part of designing databases in the relational model, and in database normalization and denormalization. A simple application of...
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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...
7 KB (629 words) - 18:09, 17 July 2025
Domain-key normal form (category Database normalization)
form (DK/NF or DKNF) is a normal form used in database normalization which requires that the database contains no constraints other than domain constraints...
6 KB (686 words) - 16:45, 27 March 2024
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...
17 KB (1,476 words) - 22:54, 7 June 2025
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...
8 KB (908 words) - 11:57, 30 January 2025
legacy database schema. Database refactorings are often motivated by the desire for database normalization of an existing production database, typically...
7 KB (824 words) - 14:58, 10 August 2024
to group them together, the foreign key. This design is known as database normalization. For example, an address book application will generally need to...
32 KB (2,439 words) - 07:23, 24 June 2025
Database administration is the function of managing and maintaining database management systems (DBMS) software. Mainstream DBMS software such as Oracle...
11 KB (1,394 words) - 23:25, 25 May 2025
Essential tuple normal form (category Database normalization)
Essential tuple normal form (ETNF) is a normal form used in database normalization. It lies strictly between fourth normal form (4NF) and fifth normal...
2 KB (272 words) - 01:04, 27 April 2025
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 (1,656 words) - 20:27, 2 July 2025
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...
9 KB (1,297 words) - 09:12, 11 February 2025
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 (4,196 words) - 09:42, 29 July 2025
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...
10 KB (924 words) - 18:01, 26 December 2024
Elementary key normal form (category Database normalization)
"A New Normal Form for the Design of Relational Database Schemata" (PDF). ACM Transactions on Database Systems. 7 (3): 489–499. doi:10.1145/319732.319749...
3 KB (381 words) - 15:50, 18 July 2025