Define instance and schema, Database Management System

Define instance and schema? 

Instance:  Collection of  data  kept in the  data  base  at  a  particular  moment  is  known as an Instance of the database. 

Schema: The overall design of the data base is known as the data base schema.  

 

Posted Date: 7/27/2013 6:35:40 AM | Location : United States







Related Discussions:- Define instance and schema, Assignment Help, Ask Question on Define instance and schema, Get Answer, Expert's Help, Define instance and schema Discussions

Write discussion on Define instance and schema
Your posts are moderated
Related Questions
What is storage manager? A storage manager is a program module that gives the interface among the low level data keeps in a database and the application programs and queries su

a.  Construct a query around any one of the functional divisions you made in 4a such that if executed in the distributed design of 4 would require reconstruction of at least two ho

why are older data models are being replaced by new data models

What is equi join? Equi Join - It generates all the combinations of tuples from two relations which satisfy a join condition along with only equality comparison (=).


#what is cursor its uses ? Explain it

explain thee diffrent types of data models

Find out the names of all employees who work for first Bank Corporation from database. SELECT EMPLOYEE_NAME FROM WORKS WHERE COMPANYNAME = ‘First Bank Corporation';

How external/conceptual mapping and conceptual /internal mapping is performed

Develop Database academic assignment Project Description: For a provided set of instructions in a case study design Entity Relationship Diagram. - Entity Relationship Diag