Question 1. What Is A Dbms?
Answer :
DBMS stands for Database Management System. A DBMS receives requests from applications
and translates those requests into actions on a specific database. A DBMS processes SQL
st
...
Question 1. What Is A Dbms?
Answer :
DBMS stands for Database Management System. A DBMS receives requests from applications
and translates those requests into actions on a specific database. A DBMS processes SQL
statements or uses other functionality to create process and administer databases.
Question 2. What Is Relationship Set?
Answer :
The collection (or set) of similar relationships.
Question 3. What Is Relationship Type?
Answer :
Relationship type defines a set of associations or a relationship set among a given set of entity
types.
Question 4. What Is Degree Of Relationship Type?
Answer :
It is the number of entity type participating.
Question 5. What Is Ddl (data Definition Language)?
Answer :
A data base schema is specifies by a set of definitions expressed by a special language called
DDL.
Question 6. What Is Vdl (view Definition Language)?
Answer :
It specifies user views and their mappings to the conceptual schema.
Question 7. What Is Sdl (storage Definition Language)?
Answer :
This language is to specify the internal schema. This language may specify the mapping between
two schemas.
Question 8. What Is Data Storage - Definition Language?
Answer :
The storage structures and access methods used by database system are specified by a set of
definition in a special type of DDL called data storage-definition language.
Question 9. What Is Dml (data Manipulation Language)?
Answer :
This language that enable user to access or manipulate data as organised by appropriate data
model.
1. Procedural DML or Low level: DML requires a user to specify what data are needed and how
to get those data.
2. Non-Procedural DML or High level: DML require
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