Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
in which form of relational database developer refers to a recordin a tuple form of relational database developer refers to a
which component of dbms can be embedded in a programthe data manipulation language dml is a component which is embedded in a
what is property - properties of a database it is an integrated collection of logically related records it consolidates separate files into a common
why a report generator is used report generator is used for print files on
in an e-r diagram an entity set is represent byin an e-r digram entity set is represted by
what is the way a particular application views the data from the database that the application usessub schema is the way a particular application
which language has presently become the defacto standard for interfacing application programs along with relational database systemthe language which
which component is not included in database environment a users component is not included in database
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
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
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