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Dependency means that the one entity dependents on another entity. This is also applicable for the Function also.
For Example : If you trying to check the general function which tells you about the rooms availability, which consist of checkFreeRooms() and we can have the checkForACRooms() and CheckForSuits(), So the general function for checking Rooms dependents on the other rooms as above
Wiki User
∙ 15y ago
Wiki User
∙ 13y ago1>Functional dependancies are constraints on the set of authorised relations.
2>In a particular relation say R attribute X is a functional dependant on attribute Y if every value in X in the relation has exactly one value of Y in the given relation.
3>The functional dependany is represented by:
X->Y
4>Which, implies that Y is functional dependent on X, or we say that X attibute functionally determines the attribute Y.
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What is a simple attribute in dbms?
database simple attritbute
What value is the one that a DBMS initially displays in a field?
a default value
What is minimal normal form a relation must satisfy in dbms?
Third normal form.
What is the basic difference between RDBMS and DBMS?
DBMS acronym for Database management system. There are number of DBMS like RDBMS, ORDBMS, HRDBMS etc . RDBMS is basically to define relationship between the tales and also it follows various codds rules.
What is the basic terminology of dbms?
Acid cursor data database field primary & foreign keys procedure & function odbc & oledb normalization trigger
Ppt for functional dependacies in DBMS?
YES
What do you mean by lossiess join in dbms?
what do u mean by lossiess join in dbms
What do you mean by Schema in DBMS?
overall design of the database
What is technological dependancy?
What has the author Jesse M Draper written?
Jesse M. Draper has written: 'A functional specification of the relational DBMS' -- subject(s): Database management
What is bcnf explain with respect to dbms?
Boyce -Codd normal form which is one of the forms of dbms noramlizations.normalization is converting the relations or tables in a standard form.bcnf is based on functional dependencies that take into account all candidate keys.a relation is in bcnf if every determinant has a candidate key..:)
What are highlights of DBMS?
NA_ what are highlights of advanced DBMS what are highlights of advanced DBMS what are highlights of advanced DBMS
Is java DBMS?
no, Java is not dbms.. Java is a programming language Dbms is database
Is SQL DBMS or RDBMS?
dbms
What are three types of dbms?
Three types of DBMS (Database Management Systems) include relational DBMS, object-oriented DBMS, and NoSQL DBMS. Relational DBMS organizes data into tables with rows and columns, object-oriented DBMS stores data as objects and classes, and NoSQL DBMS handles unstructured and semi-structured data with flexible schemas.
What is juvenile dependancy?
http://www.scselfservice.org/juvdep/juvdepwhat.htm
What is functional dependency in DBMS?
A key is a set of attributes that uniquely identifies an entire tuple, a function dependency allow us to express constraints that uniquely identify the values of certain attribute.
