Related Questions

______________ is a set of one or more attributes taken collectively to uniquely identify a record.
A _____ means that one record in a particular record type may be related to more than one record of another record type.
A Key which is a set of one or more columns that can identify a record uniquely is called?
A _____ means that one record in a particular record type is related to only one record of another record type.
A data element in a record, that uniquely distinguishes the record, from all other records, is called
When the values in one or more attributes being used as a foreign key must exist in another set of one or more attributes in another table, we have created a(n):
Read the following sentences and choose the correct option. (i) Variables can only take discrete values while Attributes can take continuous values. (ii) Variables can only take continuous values while Attributes take discrete value. (iii) Attributes and variables are dependent on each other. (iv) Width of an impeller blade is a variable but no. of defective blades in a lot is an attribute.
Which of the following is a group of one or more attributes that uniquely indenfies a row?
Which of the following is a group of one or more attributes that uniquely identifies a row?
A key is a group of one or more attributes that uniquely identifies a row.