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Level of 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_normal_form
Level of database normalization
First normal form (1NF) is the most basic level of database normalization defined by English computer scientist Edgar F. Codd, the inventor of the relational
First_normal_form
Normal form used in database normalization
Boyce–Codd normal form (BCNF or 3.5NF) is a normal form used in database normalization. It is a slightly stricter version of the third normal form (3NF).
Boyce–Codd_normal_form
Normal form used in database normalization
level of normalization after Boyce–Codd normal form (BCNF). Whereas the second, third, and Boyce–Codd normal forms are concerned with functional dependencies
Fourth_normal_form
Reduction of data redundancy
normal forms (from least normalized to most normalized) are: UNF: Unnormalized form 1NF: First normal form 2NF: Second normal form 3NF: Third normal form
Database_normalization
Form in relational database normalization
Sixth normal form (6NF) is a normal form used in relational database normalization which extends the relational algebra and generalizes relational operators
Sixth_normal_form
Level of database normalization
normal form (1NF) Third normal form (3NF) Boyce–Codd normal form (BCNF or 3.5NF) Fourth normal form (4NF) Fifth normal form (5NF) Sixth normal form (6NF)
Second_normal_form
Database normalization
First normal form (1NF) Second normal form (2NF) Third normal form (3NF) Fourth normal form (4NF) Sixth normal form (6NF) Analysis of normal forms for anchor-tables
Fifth_normal_form
Database form
Domain-key normal form (DK/NF or DKNF) is a normal form used in database normalization which requires that the database contains no constraints other than
Domain-key_normal_form
Level of database normalisation
Elementary key normal form (EKNF) is a subtle enhancement on third normal form, thus EKNF tables are in 3NF by definition. This happens when there is
Elementary_key_normal_form
Matrix form in linear algebra
Hermite normal form is an analogue of reduced echelon form for matrices over the integers Z {\displaystyle \mathbb {Z} } . Just as reduced echelon form can
Hermite_normal_form
Boolean polynomials as sums of monomials
Algebraic normal form (ANF) is a representation of functions in boolean algebra. Formulas written in ANF are also known as ring sum normal form (RSNF or
Algebraic_normal_form
Notation for context-free formal grammars
the third production rule can only appear if ε is in L(G), the language produced by the context-free grammar G. Every grammar in Chomsky normal form is
Chomsky_normal_form
Centralized storage of knowledge
of the best practices from both third normal form and star schema. The data vault model is not a true third normal form, and breaks some of its rules,
Data_warehouse
American computer scientist (1946–1974)
his work co-developing the SQL database language and the Boyce-Codd normal form. Boyce was born in New York City on August 27, 1946. He attended Providence
Raymond_F._Boyce
Relationship between software
normalization of relational databases, one of the important features of third normal form is that it excludes certain types of transitive dependencies. E.F
Transitive_dependency
Standard representation of a mathematical object
In mathematics and computer science, a canonical, normal, or standard form of a mathematical object is a standard way of presenting that object as a mathematical
Canonical_form
Database data model
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
Unnormalized_form
normal. Let S be the shape operator and M be a smooth surface. Also, let up and vp be elements of the tangent space Tp(M). The third fundamental form
Third_fundamental_form
Strategy used on previously-normalized databases
inherent anomalies in the design. For example, all the relations are in third normal form and any relations with join dependencies and multi-valued dependencies
Denormalization
Probability distribution
a normal distribution or Gaussian distribution is a type of continuous probability distribution for a real-valued random variable. The general form of
Normal_distribution
Logical arrangement of computing tables in a multidimensional database
and are frequently designed at a level of normalization short of third normal form. Normalization splits up data to avoid redundancy (duplication) by
Snowflake_schema
Type of operational reporting database
found in the article Architecture patterns. Enterprise architecture Third normal form (3NF) Inmon, William (1999). Building the Operational Data Store (2nd ed
Operational_data_store
Systematic organization of data
is particularly important in databases with referential integrity, third normal form, or perfect key. "Data hierarchy" is the result of proper arrangement
Data_hierarchy
Topics referred to by the same term
operating system The North Face, US outdoor products manufacturer Third normal form, in database normalization Thursday Night Football, NFL weekly sports
TNF_(disambiguation)
Relational database theory concept
\Pi _{XY}(R)} . Normal forms are database normalization levels which determine the "goodness" of a table. Generally, the third normal form is considered
Functional_dependency
Database management system
besides relational.[citation needed] The relational model and notion of third normal form were the default standard for all data storage. However, prior to
Multi-model_database
Type of mathematical curve
x-b/3} (depressing the cubic) gives the Weierstrass normal form. The Weierstrass normal form is not unique since the transformation ( x ↦ x / λ 2
Cubic_plane_curve
Inability of the liver to perform its normal functions
its normal synthetic and metabolic functions as part of normal physiology. Two forms are recognised, acute and chronic (cirrhosis). Recently, a third form
Liver_failure
Stages of education
Secondary School, there are three streamings: Express (Exp), Normal Academic (NA), and Normal Technical (NT), among which Exp and NT students study for four
Educational_stage
Probability distribution
X has a normal distribution. Equivalently, if Y has a normal distribution, then the exponential function of Y, X = exp(Y), has a log-normal distribution
Log-normal_distribution
Problem of determining if a Boolean formula could be made true
formula (x1 ∨ ¬x2) ∧ (¬x1 ∨ x2 ∨ x3) ∧ ¬x1 is in conjunctive normal form; its first and third clauses are Horn clauses, but its second clause is not. The
Boolean satisfiability problem
Boolean_satisfiability_problem
Operations on ordinals that extend classical arithmetic
arithmetic operations, which are usually described using the Cantor normal form for ordinals, and nimber operations. Ordinal numbers are like the counting
Ordinal_arithmetic
type of observational unit is a table". It is equivalent to Codd's third normal form. time domain time series time series analysis time series forecasting
Glossary of probability and statistics
Glossary_of_probability_and_statistics
item. This example, like any valid SERM scheme, is already in the third normal form. Michael Röthlin (2010). Management of Data Quality in Enterprise
Structured entity relationship model
Structured_entity_relationship_model
The normal form for 0 is 0. If α {\displaystyle \alpha } is a nonzero ordinal number α < Ω ω {\displaystyle \alpha <\Omega _{\omega }} then the normal form
Buchholz_psi_functions
Broadway musical
Next to Normal is a 2008 American rock musical with book and lyrics by Brian Yorkey and music by Tom Kitt. The story centers on a mother who struggles
Next_to_Normal
Rare congenital neuromuscular disorder
few weeks after birth in the most acute cases to normal life expectancy in the protracted SMA forms. Medications that target the genetic cause of the
Spinal_muscular_atrophy
Social space other than home or workplace
In sociology, a third place is a social space separate from the two usual social environments of home ("first place") and workplace ("second place").
Third_place
Spiritual concept
advanced meditative cultivation. It denotes a form of non-ordinary visual cognition that surpasses normal human sight, enabling the practitioner to perceive
Third_eye
Educational institution to train teachers
societal values, ideologies and dominant narratives in the form of curriculum. The first public normal school in the United States was founded in Concord, Vermont
Normal_school
Town in Illinois, United States
Normal is a town in McLean County, Illinois, United States. The population was 52,736 at the 2020 census. Normal is the smaller of two principal cities
Normal,_Illinois
Collection of objects studied in music theory
(untransposed, uninverted) form of the set, the prime form may be considered either the normal form of the set or the normal form of its inversion, whichever
Set_(music)
Quadratic form related to curvatures of surfaces
fundamental form can be generalized to arbitrary codimension. In that case it is a quadratic form on the tangent space with values in the normal bundle and
Second_fundamental_form
Pathogenic type of misfolded protein
that can normally break down proteins. The normal form of the protein is called PrPC, while the infectious form is called PrPSc – the C refers to 'cellular'
Prion
Relative weight based on mass and height
height. Major adult BMI classifications are: underweight (under 18.5), normal weight (18.5 to 24.9), overweight (25 to 29.9), and obese (30 or more).
Body_mass_index
Critical point where a periodic solution arises
two-dimensional subset of the dynamical system is approximated by a normal form, canonically expressed as the following time-dependent differential equation:
Hopf_bifurcation
Group of mathematical theorems
{\displaystyle K/N} . Every normal subgroup of G / N {\displaystyle G/N} is of the form K / N {\displaystyle K/N} for some normal subgroup K {\displaystyle
Isomorphism_theorems
Fundamental theorem in probability theory and statistics
averages will closely approximate a normal distribution. The central limit theorem has several variants. In its common form, the random variables must be independent
Central_limit_theorem
Medical condition
normal facial bone, a normal cervical column but without the fetal skull and a volume of brain tissue equivalent to at least one-third of the normal brain
Acrania
split normal distribution also known as the two-piece normal distribution results from joining at the mode the corresponding halves of two normal distributions
Split_normal_distribution
personal pronouns have distinct forms according to whether they stand for the subject (nominative) or object, and third-person pronouns make an additional
Personal_pronouns_in_Spanish
Geometry definition file format
normals in (x,y,z) form; normals might not be unit vectors. vn 0.707 0.000 0.707 vn ... ... # Parameter space vertices in (u, [v, w]) form; free form
Wavefront_.obj_file
Medical condition
other complications. In infancy, phimosis is considered physiological (normal). At birth, the foreskin is naturally adhered to the glans, and cannot be
Phimosis
Medical condition
between the normal legs are caused by the body axis forking in the dipygus condition. Notomelia (from Greek for "back-limb-condition") is a form of polymelia
Polymelia
Laws in physics about force and motion
sections. If a third mass is added, the Kepler problem becomes the three-body problem, which in general has no exact solution in closed form. That is, there
Newton's_laws_of_motion
Hypothetical rebuilt Jewish holy temple in Jerusalem
fortiori be the case for Jerusalem, which formed the concentric circle in between those two in the normal Jewish worldview. In the teaching of both Jesus
Third_Temple
Class of Ranging Rook openings
if played by Black. There are two basic forms of Third File Rook. The first form is similar to other normal Ranging Rook openings such as Fourth File
Third_File_Rook
Group of medical conditions characterized by irregular heartbeat
including when it is too fast or too slow. Essentially, this is anything but normal sinus rhythm. A resting heart rate that is too fast – above 100 beats per
Arrhythmia
Failure of the testicle(s) to descend into the scrotum
sides, it more commonly affects the right testis. A testis absent from the normal scrotal position may be: Anywhere along the "path of descent" from high
Cryptorchidism
Categorisation of people's intelligence based on IQ
scores, about two-thirds of all test-takers obtain scores from 85 to 115, and about 5 percent of the population scores above 125 (i.e. normal distribution)
IQ_classification
Third planet from the Sun
Earth is the third planet from the Sun and the only astronomical object known to harbor life. This is made possible by Earth being an ocean world, the
Earth
Failure of the brain to process input from one eye
only have a mild form, are not aware they have the condition until tested at older ages, since the vision in their stronger eye is normal. People with amblyopia
Amblyopia
Qualification phase of the 2026–27 UEFA Conference League
advance to the next round. If the aggregate score is level at the end of normal time of the second leg, extra time will be played, and if the same number
2026–27 UEFA Conference League qualifying
2026–27_UEFA_Conference_League_qualifying
Period of Peruvian history, 1930–1939
The Third Militarism (Spanish: Tercer Militarismo) was the period between 1930 and 1939 in Peruvian history, in which Peru was ruled by a series of military
Third_Militarism
1948 novel by Osamu Dazai
meets a single mother who is an acquaintance of Horiki and tries to have a normal relationship with her, serving as a surrogate father to her little girl
No_Longer_Human
Semen discharge from the male reproductive tract
A vasectomy alters the composition of the ejaculate as a form of birth control. The normal precursor to ejaculation is sexual arousal of the male, leading
Ejaculation
Type of antenna
Helical antennas can operate in one of two principal modes: normal or axial. In the normal mode or broadside helical antenna, the diameter and the pitch
Helical_antenna
Term in mathematics
Similarly, a normal subgroup N of G is said to be a maximal normal subgroup (or maximal proper normal subgroup) of G if N < G and there is no normal subgroup
Maximal_subgroup
U.S. Department of Homeland Security form
design improvements that include moving the instructions to the third page of the Form I-20, as well as the removal of the barcode, and the blocks for
I-20_(form)
Human male external reproductive organ
located at the sebaceous glands and are normal. Phimosis is an inability to retract the foreskin fully. It is normal and harmless in infancy and pre-pubescence
Human_penis
expressions o(s) senhor(es) and a(s) senhora(s), which also require third-person verb forms and third-person reflexive/possessive pronouns (or, for the possessive
Personal pronouns in Portuguese
Personal_pronouns_in_Portuguese
Public university in Florence, Alabama, US
of 140,000 people. The University of North Alabama was one of about 180 "normal schools" founded by state governments in the 19th century to train teachers
University_of_North_Alabama
Physical quantity
and in the form of heat and light. Energy is a conserved quantity—the law of conservation of energy states that energy can be converted in form, but not
Energy
Romantic comedy-drama television series
Media to form Paramount Skydance, Awesomeness had been folded into Paramount Television Studios with them taking over production of the series' third season
XO,_Kitty
Inflammation of membranes around the brain
abnormal posturing. The inflammation of the brain tissue may also obstruct the normal flow of CSF around the brain (hydrocephalus). Seizures may occur for various
Meningitis
Medical condition
Normal pressure hydrocephalus (NPH), also called malresorptive hydrocephalus, is a form of communicating hydrocephalus in which excess cerebrospinal fluid
Normal_pressure_hydrocephalus
Method of providing electric power to a railway train
or gravity type third rail seems to be the oldest form of power collection. Railways pioneering in using less hazardous types of third rail were the New
Third_rail
1917 campaign of the First World War
The Third Battle of Ypres (German: Dritte Flandernschlacht; French: Troisième Bataille des Flandres; Dutch: Derde Slag om Ieper), also known as the Battle
Battle_of_Passchendaele
Mathematical models of strategic interactions
presented in extensive form. Every extensive-form game has an equivalent normal-form game, however, the transformation to normal form may result in an exponential
Game_theory
Mathematical-logic system based on functions
arguments are reduced. If a term has a beta-normal form, normal order reduction will always reach that normal form. Applicative order The leftmost innermost
Lambda_calculus
Normal schools in the United States in the 19th century were developed and built primarily to train elementary-level teachers for the public schools. The
Normal schools in the United States
Normal_schools_in_the_United_States
Decreased ability to see color or color differences
and perceptually uniform to all forms of color vision. Color blindness is any deviation of color vision from normal trichromatic color vision (often
Color_blindness
Medical condition
one or more teeth appear smaller than normal. In the generalized form, all teeth are involved. In the localized form, only a few teeth are involved. The
Microdontia
The following is a list of the 100 largest lakes of the United States by normal surface area. The top twenty lakes in size are as listed by the National
List of largest lakes of the United States by area
List_of_largest_lakes_of_the_United_States_by_area
Leader of China from 1949 to 1976
Changji, taught Mao at the Hunan First Normal University in Changsha, where the two men became close. Mao's third wife, He Zizhen (1910–1984), also came
Mao_Zedong
Motor vehicle
General Motors with a 0.29 coefficient of drag. Wind tunnels were used to form the third-generation F-Body's shape, and these aerodynamic developments were fully
Pontiac Firebird (third generation)
Pontiac_Firebird_(third_generation)
Canadian indie pop band
They quickly began work on their follow up release and debut LP, Being So Normal. It was released in September 2017 on the Vancouver indie label Kingfisher
Peach_Pit_(band)
Group for which a given group is a normal subgroup
extension is a general means of describing a group in terms of a particular normal subgroup and quotient group. If Q {\displaystyle Q} and N {\displaystyle
Group_extension
Unicameral state legislature of Kerala, India
house has to be finally approved by the governor before it becomes law. The normal term of the legislative assembly is five years from the date appointed for
Kerala_Legislative_Assembly
Historically Black university in Hampton, Virginia, US
was read to a gathering under the historic tree there. After the War, a normal school (teacher training school) was formalized in 1868, with former Union
Hampton_University
Rare transient luminous events that occur over tops of thunder storms
above the altitudes of normal lightning and storm clouds. Upper-atmospheric lightning is believed to be electrically induced forms of luminous plasma. The
Upper-atmospheric_lightning
Class of statistical tests
normality tests are used to determine if a data set is well-modeled by a normal distribution and to compute how likely it is for a random variable underlying
Normality_test
Chemical element with atomic number 6 (C)
carbon allotropes are solids under normal conditions, with graphite being the most thermodynamically stable form at standard temperature and pressure
Carbon
Sexual stimulation of one's own genitals
a medically healthy and psychologically normal habit. No causal relationship between masturbation and any form of mental or physical disorder has been
Masturbation
Digital wallet platform by Apple
18013-5 can be read & logged via third-party apps in iOS 17. Recurring payments with Apple Cash in iOS 17. The first form of Express Mode came under the
Apple_Wallet
Contract for marine salvage
The Lloyd's Open Form, formally "Lloyd's Standard Form of Salvage Agreement", and commonly referred to as the LOF, is a standard form contract for a proposed
Lloyd's_Open_Form
Abnormal increase in cerebrospinal fluid in the ventricles of the brain
according to age. Headaches and double vision are common. Elderly adults with normal pressure hydrocephalus (NPH) may have poor balance, difficulty controlling
Hydrocephalus
the Sejm with Prime Minister Mateusz Morawiecki forming a second government. The PiS sought to win a third term which would be unprecedented in Polish history
2023 Polish parliamentary election
2023_Polish_parliamentary_election
Football tournament qualification stage
advance to the next round. If the aggregate score is level at the end of normal time of the second leg, extra time will be played, and if the same number
2026–27 UEFA Europa League qualifying
2026–27_UEFA_Europa_League_qualifying
THIRD NORMAL-FORM
THIRD NORMAL-FORM
Girl/Female
Biblical
Third.
Boy/Male
French Teutonic American English German
From the north.
Male
Scottish
Scottish form of Irish Gaelic Cormac, CORMAG means "son of defilement."
Girl/Female
American, Australian, British, Chinese, Christian, Danish, English, Finnish, French, German, Latin, Swedish
From the North; Pattern; Courage; Norseman; Rule; Standard; Female Version of Norman
Female
English
English name derived from the gem name, from Latin corallium, probably ultimately from Hebrew goral, CORAL means "small pebble."
Boy/Male
Shakespearean
Hamlet, Prince of Denmark' Fortinbras, Prince of Norway.
Biblical
treasurer of Nergal
Boy/Male
Scottish American
From the north valley.
Surname or Lastname
English, Irish (Ulster), Scottish, and Dutch
English, Irish (Ulster), Scottish, and Dutch : name applied either to a Scandinavian or to someone from Normandy in northern France. The Scandinavian adventurers of the Dark Ages called themselves norðmenn ‘men from the North’. Before 1066, Scandinavian settlers in England were already fairly readily absorbed, and Northman and Normann came to be used as bynames and later as personal names, even among the Saxon inhabitants. The term gained a new use from 1066 onwards, when England was settled by invaders from Normandy, who were likewise of Scandinavian origin but by now largely integrated with the native population and speaking a Romance language, retaining only their original Germanic name.French : regional name for someone from Normandy.Dutch : ethnic name for a Norwegian.Jewish (Ashkenazic) : variant of Nordman.Jewish : Americanized form of some like-sounding Ashkenazic name.Swedish : from norr ‘north’ + man ‘man’.Albert Andriessen Bradt, a settler in Rensselaerswijck on the upper Hudson River in NY, was originally from Norway and was known as de Norrman (‘the Norwegian’). The waterway south of Albany which powered his mills became known as the Normanskill (‘the Norman’s Waterway’), by which name it is still known today.
Male
English
English form of Teutonic Nordemann, NORMAN means "northman."
Female
Italian
 Italian name invented by Felice Romani in his libretto for Belini's opera of the same name, derived from Latin norma, NORMA means "standard, rule." Compare with another form of Norma.
Biblical
third
Biblical
third
Boy/Male
Arabic, Muslim
Third
Girl/Female
Latin American
Rule; pattern. Can also be a feminine form of Norman: from the North.
Girl/Female
Biblical
Third.
Female
English
 Feminine form of English Norman, NORMA means "northman." Compare with another form of Norma.
Male
English
English form of Norwegian Normund, NORMAND means "north protection."
Surname or Lastname
English
English : occupational name for a keeper of swine, Middle English foreman, from Old English fÅr ‘hog’, ‘pig’ + mann ‘man’.English : status name for a leader or spokesman for a group, from Old English fore ‘before’, ‘in front’ + mann ‘man’. The word is attested in this sense from the 15th century, but is not used specifically for the leader of a gang of workers before the late 16th century.Czech and Jewish (from Bohemia, Moravia) : occupational name for a carter, Czech forman, a loanword from German.
Boy/Male
Biblical
Treasurer of Nergal.
THIRD NORMAL-FORM
THIRD NORMAL-FORM
Girl/Female
American, British, English
Hardy Tree
Boy/Male
Arabic, Muslim
Eye-sight; Wisdom; Sight
Male
Hebrew
(×ֲבִימֶלֶך) Variant spelling of Hebrew Abiymelek, AVIMELECH means "Melek is father" or "my father is king."
Surname or Lastname
English (mainly Devon)
English (mainly Devon) : habitational name from a farm in North Devon on a spur of Exmoor, named with the Old English personal name HÅc or Old English hÅc ‘hook or spur of land’ + stapol ‘post’.
Boy/Male
British, English
Gift of God
Male
English
Short form of English Alexander, SANDER means "defender of mankind."Â
Surname or Lastname
English
English : habitational name from any of various places so called. One in Wiltshire was named in Old English ‘valley at a boundary’, from mearc ‘boundary’ + denu ‘valley’; one in Sussex was named as ‘boundary hill’ (Old English (ge)mǣre ‘boundary’ + dūn ‘hill’); one in Kent was named ‘mares’ pasture’ (Old English m(i)ere ‘mares’ + denn ‘pasture’); while the one in Herefordshire was named with British magno- ‘plain’ + Old English worðign ‘enclosure’.
Surname or Lastname
English (Cornwall)
English (Cornwall) : habitational name from Madron in Cornwall, named for the patron saint of its church, St. Madernus.
Female
Arthurian
, Orkney, i.e. whale island.
Girl/Female
Gujarati, Hindu, Indian
Valuable
THIRD NORMAL-FORM
THIRD NORMAL-FORM
THIRD NORMAL-FORM
THIRD NORMAL-FORM
THIRD NORMAL-FORM
a.
According to a square or rule; perpendicular; forming a right angle. Specifically: Of or pertaining to a normal.
n.
The third part of the estate of a deceased husband, which, by some local laws, the widow is entitled to enjoy during her life.
a.
Denoting that series of hydrocarbons in which no carbon atom is united with more than two other carbon atoms; as, normal pentane, hexane, etc. Cf. Iso-.
a.
Sound; normal.
a.
Third.
a.
Done in due form, or with solemnity; according to regular method; not incidental, sudden or irregular; express; as, he gave his formal consent.
n.
See Wormil.
n.
The third tone of the scale; the mediant.
a.
Not according to rule; abnormal.
a.
Having the form or appearance without the substance or essence; external; as, formal duty; formal worship; formal courtesy, etc.
a.
Next after the second; coming after two others; -- the ordinal of three; as, the third hour in the day.
n.
See Wormil.
n.
See Mormal.
a.
Denoting certain hypothetical compounds, as acids from which the real acids are obtained by dehydration; thus, normal sulphuric acid and normal nitric acid are respectively S(OH)6, and N(OH)5.
a.
According to an established norm, rule, or principle; conformed to a type, standard, or regular form; performing the proper functions; not abnormal; regular; natural; analogical.
a.
Of or pertaining to Normandy or to the Normans; as, the Norman language; the Norman conquest.
adv.
In a normal manner.
a.
Devoted to, or done in accordance with, forms or rules; punctilious; regular; orderly; methodical; of a prescribed form; exact; prim; stiff; ceremonious; as, a man formal in his dress, his gait, his conversation.
n.
The quality, state, or fact of being normal; as, the point of normalcy.
a.
Constituting or being one of three equal parts into which anything is divided; as, the third part of a day.