Each simple attribute of an entity type is associated with a value set (or domain of values), which specifies the set of values that may be assigned to that attribute for each individual entity. If the range of ages allowed for employees is between 16 and 70, we can specify the value set of the Age attribute of EMPLOYEE to be the set of integer numbers between 16 and 70. Similarly, we can specify the value set for the Name attribute to be the set of strings of alphabetic characters separated by blank characters, and so on. Value sets are not displayed in ER diagrams, and are typically specified using the basic data types available in most programming languages, such as integer, string, Boolean, float, enumerated type, sub-range, and so on.
Database management system is full form of DBMS . Characteristics of a DBMS are following : 1) It maintains data integrity. 2) It reduces redundancy. 3) make access to data easy.
SOURCE: http://jeenuutreja.blogspot.in/2012/07/actors-on-scene-in-dbms-in-this-topic.htmlI'd copy paste this here but these guys have earned a visit!
It does not change its value whatever the value of the variables, under a given set of conditions.
complete set with papers of authenticity and in mint condition value would be between $1000 to $1200
As of 12/2008, Numismedia quotes the fair market value (FMV) at $18.00
Values of columns
a default value
Relational set operators in dbms uses algebra to manipulates contents in a data base. there are many different operation in Dbms ,they are :- 1.Union 2.intersect 3.Product 4.select 5.Project 6.divide
DBMS stands for DataBase Management System. The main concepts are the structure, the manipulation, and a set of integrity rules.
the process of designating subgroupingswithin an entity set
Know what you need and check each need is met by the product
Since relation is a set, and tuples are element of a set, according to set theory, the elements of a set are not ordered.
transaction
It is the DBMS that ensures the value of the foreign key matches another table's primary key when referential integrity constraints are enabled within the DBMS
when a relationship is optional then the value of the modality is zero. when mandatory then the modality is one.
NA_ what are highlights of advanced DBMS what are highlights of advanced DBMS what are highlights of advanced DBMS
collection of interrelated data & set of program & access those programITS GOALprimary goal of dbms is store & retrieve the database information in convenient & efficient way