The distinction between primary and secondary constraints is not a very fundamental one. It depends very much on the original Lagrangian which we start...

mechanics Primary constraint, secondary constraint, etc. in Hamiltonian mechanics Holonomic constraints, also called integrable constraints, (depending...

terminology of first- and second-class constraints is confusingly similar to that of primary and secondary constraints, reflecting the manner in which these...

very small number of constraints. There is always at least one constraint, and TOC uses a focusing process to identify the constraint and restructure the...

types of constraints: holonomic and non-holonomic. First class constraints and second class constraints Primary constraints, secondary constraints, tertiary...

<table identifier> ADD [ CONSTRAINT <constraint identifier> ] PRIMARY KEY ( <column name> [ {, <column name> }... ] ) The primary key can also be specified...

Unique keys are an alternative to the primary key of the relation. In SQL, the unique keys have a UNIQUE constraint assigned to them in order to prevent...

while a tactical project has schedule, cost, or a different set of scope as the primary constraint.{{cite book}}: CS1 maint: publisher location (link)...

given constraints. This information is usually described in project documentation, created at the beginning of the development process. The primary constraints...

within the application layer. SQL implements constraint functionality in the form of check constraints. Constraints restrict the data that can be stored in...

Geometric constraint solving is constraint satisfaction in a computational geometry setting, which has primary applications in computer aided design. A...

in some row of the primary table, or else have no value (the NULL value.). This rule is called a referential integrity constraint between the two tables...

a stylized arrow also resembling a tree surrounded by a circle. A primary constraint in the design process was the need for a logo simple enough that it...

Nested interrupts are often provided, which exacerbates stack usage. A primary constraint on the interrupt handler in this programming endeavour is to not exceed...

on the planet. In MTE, this relationship is considered to be the primary constraint that influences biological processes (via their rates and times) at...

a constraint in phase space (as above). Constraints derived in this way or imposed from the beginning of the problem are called primary constraints. The...

allows the user to maximize the speed of the head on each blow. The primary constraint on additional handle length is the lack of space to swing the hammer...

{\mathcal {S}}} . The exact cover problem to find an exact cover is a kind of constraint satisfaction problem. The elements of S {\displaystyle {\mathcal {S}}}...

concludes that legal and social program initiatives are no longer India's primary constraint in further advancement of India's historically discriminated castes;...

when attempting to raise the standing of the working class, as the primary constraint is in the struggle for mere existence. While Malthus' notions would...

development of the architecture for the World Wide Web. REST defines a set of constraints for how the architecture of a distributed, Internet-scale hypermedia...

maintenance of the vehicle, engineering simplicity has become the primary constraint on tank design since the Second World War despite advances in mechanical...

nomads. The primary constraint on agriculture on the Great Plains is that precipitation is often deficient for growing maize, the primary crop of Indigenous...

inhospitality of northern climates. The availability of soybean is the primary constraint for the beetles, so the beetles can’t live in an area that doesn’t...

root the energy-momentum relation appears as a primary constraint that is also a first class constraint. In this reformulation this is no longer the case...

In database systems, a propagation constraint "details what should happen to a related table when we update a row or rows of a target table" (Paul Beynon-Davies...

sites have been ~290 K (17 °C; 62 °F). The D/H isotopic ratio is a primary constraint on the source of H2O of terrestrial planets. Comparison of the planetary...

on a set of columns declared PRIMARY KEY, and some are capable of using an already-existing index to police this constraint. Many database systems require...

is a primary constraint. The secondary constraint is P ⋅ X ′ = 0 {\displaystyle P\cdot X'=0} . These constraints generate timelike diffeomorphisms...

referenced column(s) in the referenced table must be under a unique constraint, such as a primary key. Also, self-references are possible (not fully implemented...