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see this link...this may be help ful...it also has examples...<br />
<br />
<a href="http://download.oracle.com/docs/cd/B10500_01/appdev.920/a97269/pc_04dat.htm#27300" rel="ugc">http://download.oracle.com/docs/cd/B10500_01/appdev.920/a97269/pc_04dat.htm#27300</a>
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see this link...this may be help ful...it also has examples...

http://download.oracle.com/docs/cd/B10500_01/appdev.920/a97269/pc_04dat.htm#27300 [http://download.oracle.com/docs/cd/B10500_01/appdev.920/a97269/pc_04dat.htm#27300]

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host variables or bind variables?
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bind variables are host variables.
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<div class="content wysiwyg-content">
What are host variables in oracle<br />
how that increases performances?<br />
Please answer with examples of host variables.
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What are host variables in oracle
how that increases performances?
Please answer with examples of host variables.

what are host variables in oracle?

Oracle is an object-relational database management system. It supports a large number of languages and application development frameworks. Its primary languages are SQL, PL/SQL and Java, but it also includes support for C and C++. Oracle also has its own enterprise modules and application server software.