Answer / useroracle

Advantages of package:
-----------------------
A. Modularity
- Encapsulate related constructs.

B. Easier Application Design
- Code and compile specification and body separately.

C. Hiding Information
- Only the declarations in the pacakge specification
are visible and accessible to application.
- Private constructs in the package body are hidden
and inaccesible.
- All coding is hidden in the package body.

D. Added Functionality
- Persistency of variables and coursors.

E. Better Performance
- The entire package is loaded into memory when the
package is first referenced.
- There is only one copy in memory for all users.
- The dependency hierarchy is simplified.

F. Overloading
- Multiple subprograms of the same name.

Answer / arup ratann banerjee

The advantage of package is :---
1) Encapsulation
2) Security
3) Performance gaining
4) Overloading and polymorphism

Answer / suresh somayajula

Advantages of packages :

1. easier application and design
2. Information hiding
3. moularity and maintainability.

Answer / roopesh kumar

The main purpose for using a packege is grouping the
related objects like proc., func. etc.

For ex. we can create one package for payroll of HRMS system
that can be used for storing related proc, func. & other DB
objects.

Answer / pranab kumar mishra

1.Saving the rext of the create package statement in two
different sql files facilitates latter modification to the
package.Each package is easily understood & interface
between package are simple,clear& well defined.

2.package promote code reuse through the use of library that
contain stored procedure & function.so redundent coding.

3.Hiding information.

Answer / madhavi

The main advantage of package is one time compilation
process.while the first time of compilation the source code
is converted into P-code and stored in the database so that
for n no of time calling the pckg it does not take any
memory locations...
*Then whatevere the database objects declared in the
package specification will be globally accessible.

Answer / priya

Package is a group of similar types of classes, interfaces and sub-packages. .
Packages is used to categorize the classes and interfaces.
Packages provides access protection. Package removes naming collision.

Differentiate between %type and %rowtype attribute in Oracle PL/AQL programming ?

7 Answers   PreVator,

Which kind of parameters cannot have a default value in pl sql?

0 Answers  

How to create a view on a table which does not exists

4 Answers   Oracle, TCS,

What are the types of join and explain each?

0 Answers  

What is Difference Between delete and Truncate?

9 Answers  

What is a self join ?

6 Answers   BirlaSoft,

How does postgresql compare to "nosql"?

0 Answers  

suppose I have two table one Emp and other is dpt. Emp table has a field ,dept id,name ,sal and dpt table has a field dept id,dept name. Now I want to find out the emplyee list whose sal is between 2000-3000 from dept x.

7 Answers   Geometric Software, IBM,

What has stored procedures in sql?

0 Answers  

Why we use cross join?

0 Answers  

Is subquery faster than join?

0 Answers  

Mention what is the use of function "module procedure" in pl/sql?

0 Answers