4,0
0,0
4,5
8,5
A. 4,0
Hierarchic Standard Access Method
Hierarchic Sequential Access Method
Hierarchic Sequential and Method
Hierarchic Standard and Method
Partition constraint.
Dependency preservation.
Redundancy.
Security.
Transaction management
Application programmer
Concurrency control
Recovery management
Schema
Tuple
Domain
Relational
Entity
Attribute
Relationship
Notation
Double lines
Single line
Dashed lines
Triangle
Select
Order by
Group-by
Having
partially committed
active
committed
none of the above
inner join
full outer join
right outer join
all of the above
Table
Tree like structure
Complex logical relationship
Records
Logical schema.
Physical schema.
Subschema.
None of the above.
data is defined separately and not included in programs.
programs are not dependent on the physical attributes of data
programs are not dependent on the logical attributes of data
both B and C
primary key
secondary key
foreign key
none of the above
IX
IS
S
SIX
Network model.
Relational model.
Hierarchical model.
File based system.
Star
llustar
SQL
Cygnus
Clustered
Hashed
Un-clustered
Collision
Constraints
Triggers
Stored procedure
Cursors
Centralized control of data
Data independence
Both A and B
Neither A nor B
DML compiler
DML pre-processor
DDL interpreter
Query interpreter
Select * from R natural join S.
Select * from R cross join S.
Select * from R union join S.
Select * from R inner join S.
is the entire database
Describes how data is actually stored on disk.
is a standard way of organizing information into accessible parts.
All of the above
Entity set
File
Entity instance
Organization
schema
instance of the database
data domain
independence
<>
<
=<
>=
It is a physical representation of the data.
It allows many to many relationship.
It is conceptually simple.
It will be the dominant database of the future.
Raw data
Source
Information
Useful data
Secondary key
Alternate key
Unique key
Primary key
Operationally, if Y is deleted, so is X
existence is dependent on Y.
Operationally, if X is deleted, so is Y.
Operationally, if X is deleted, & remains the same.
Referential constraint.
Index.
Integrity constraint.
Functional dependency.