Data Administration

_______  allow us   to identify  uniquely   a tuple  in the relation;-

Every record in the same size in bytes  the file is constituted of:-

How many types of  keys in  Database design;-

The way a particular application view the data from the database that the application  uses  is a:-

The provision of a _____________ is a major  objective for  database system;-

The candidate  key is  that you  chose  to  identify each row  uniquely  is called ;-

Which type of index use bit array to represent the presence or absence of a value in a column;-

Which is  a join condition  contains  an  equality  operator ;-

For a weak entity set to be meaningful, it must be associated  with another entity set , called the ;-

A characteristics of an entity ;-

Which is the name of the role played by a domain  in the relation;-

Which is not a type of  records in a file based system:-

A __________ in a table represents a  relationship among   a set of values :-

In concurrency control policy the lock   is obtained on :-

What term is used to refer  to a  specific  record in your  music  database :-

In the DBMS  approach , application  programs  performs the ;-

In the __________ mode any record in the file can be accessed at random:-

Which  of the join operations  do not preserve  non matched  tuples:-

The  primary key must be :-

UML  stands for :-

How many types of data independence;-

In precedence of set operators, the  expression is evaluated from:-

___________ data base is used as template for all database created:-

The process of  saving information  onto  secondary  storage devices is  referred to as ;-

Indexes  makes  harder for  sql server  engines  to work  on  index  which have large keys :-