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How can do Exception Handling in Pl/SQL ?

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In this section we will discuss about the following, 1) What is Exception Handling. 2) Structure of Exception Handling. 3) Types of Excep...

What are Cursors?

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A cursor is a temporary work area created in the system memory when a SQL statement is executed. A cursor contains information on a select s...

How to pass parameters to Procedures and Functions in PL/SQL ?

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In PL/SQL, we can pass parameters to procedures and functions in three ways. 1) IN type parameter: These types of parameters are used to s...

Briefly explain key features of the JavaServer Faces (JSF) framework?

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JavaServer Faces is a new framework for building Web applications using Java. JSF provides you with the following main features: 􀂃 viewer,...

What purpose does the Cloneable interface serve ?

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When JVM sees a clone() method being invoked on an object, it first verifies if the underlying class has implemented the 'Cloneable'...

Purpose of having marker interfaces in Java i.e., why to have marker interfaces?

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The main purpose to have marker interfaces is to create special types in those cases where the types themselves have no behavior particular ...

What are Marker Interfaces in Java?

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Definition An empty interface having no methods or fields/constants is called a marker interface or a tag interface. This of course means ...
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