Fast access to data items can be provided through
The process of restricting users from querying some tables or executing database statements is called
In unary relational operations, the SELECT operation is partition of relation usually classified as
Software whose main function is to provide access database from remote location with help of work stations, local PCs and computer terminals is called
The operators in SELECT operation statement such as 'and' , 'or' and 'not' are classified as
Form of data model in which concepts provided are useful for end users and are also close to way it is stored in computer system is called
In a given relationship R, if an attribute A uniquely defines all other attributes, then the attribute A is a key attribute which is also known as the _________ key
