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related fields in a database are grouped in which formrelated data fields in a database are grouped to form a data record a record is a collection of
which language used in application programs to request data from the dbms is referredlanguage which is used in application program is dml to request
in tuple relational calculus p1rarr p2 is equivalent to a in tuple relational calculus p1rarr p2 is equivalent to notp1 v p2 the logical implication
electronic cheques another mechanism for internet payment is electronic cheques with electronic cheques the payer either an individual consumer
in case of entity integrity the primary key may be declaredin a case of entity integrity primary key may be not
in an e-r diagram how attributes are represented in an e-r diagram attributes are represented in a
in a hierarchical model of data records are organized in the hierarchical model of data records are organized as tree
what is on electronic payment systemelectronic payment systems are alternative cash credit payment methods using several electronic methods to pay
an entity set that does not have sufficient attributes to form a primary key is calledan entity set that doesnt have sufficient attribute to form a
in the architecture of a database system which external level usedin the architecture of a database system view external level
in which format database schema is written data base schema is written in the ddl
in a relational model how relations are termedin a relational model relations are termed as tables the term lsquorelationrsquo is the technical name
how many levels can be viewed in architecture of the database architecture of the database can be viewed as three
what is the full form of odbc odbc stands for open database
why as clause is used in sql as clause is used for rename operation lsquoas clause is used in sql for rename operation eg select eno as employeeno
why dml is used fordml is used to manipulation and processing of database dml is provided for manipulation amp processing of database data stored in
which operator is cartesian product in relational algebracartesian product in relational algebra is a binary operator it requires two operands eg p x
what type of view of total database contentdata base content conceptual view of total database
what is relational calculus relational calculus is a non- procedural
in which relational modes cardinality is termedanswer cardinality is termed in a number of tuples relational
routera router is used to route transfer data among two or more same networks it verifies the next network point to which a data packet should be
in this assignment you will create an application to run in the amazon ec2 service and you will also create a client that can run on local machine
australian government sites were mandated to conform to at least single a level of the world wide web consortium w3c web accessibility initiative wai
government funding has been given to a university consortium establishing a repository of resources for school teachers they have engaged you to
the best results obtained in the piit classes have been when the technique has been used in tutorial groups rather than have students submit