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You're reading from  Oracle Advanced PL/SQL Developer Professional Guide

Product typeBook
Published inMay 2012
Reading LevelExpert
PublisherPackt
ISBN-139781849687225
Edition1st Edition
Languages
SQL
Tools
Oracle Database
Concepts
Database Programming
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Author (1)
Saurabh K. Gupta
Saurabh K. Gupta
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Saurabh K. Gupta

Saurabh K. Gupta is a seasoned database technologist with extensive experience in designing high performance and highly available database applications. His technology focus has been centered around Oracle Database architecture, Oracle Cloud platform, Database In-Memory, Database Consolidation, Multitenant, Exadata, Big Data, and Hadoop. He has authored the first edition of this book. He is an active speaker at technical conferences from Oracle Technology Network, IOUG Collaborate'15, AIOUG Sangam, and Tech Days. Connect with him on his twitter handle (or SAURABHKG) or through his technical blog www.sbhoracle. wordpress.com, with comments, suggestions, and feedback regarding this book.
Read more about Saurabh K. Gupta

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Executing external C programs from PL/SQL

Oracle extends the architectural support to the external programs in C, C++, Java, or the one whose library is interpretable by C. In the external procedure architecture, we saw the processing steps of an external program. Now, we will list the development steps to run a C program from PL/SQL:

  1. Write a C program and compile it.

  2. Copy the C program's code file in the $ORACLE_HOME\bin\ directory. Generate the DLL using a hardware supported native C compiler.

    Tip

    For demonstration purposes, we will use the MingW (Minimal GNU for Windows) compiler to compile C program and generate the DLLs.

    It can be downloaded from http://www.mingw.org/wiki/Getting_Started.

  3. Configure the Oracle Net service.

  4. Create a PL/SQL library object for the DLL.

  5. Create a call specification in PL/SQL to publish the external program. Specify the external language used in the program (here, it is C), the PL/SQL library name, the method in the external program and the parameters mapped as per...

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Oracle Advanced PL/SQL Developer Professional Guide
Published in: May 2012Publisher: PacktISBN-13: 9781849687225
© 2012 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Saurabh K. Gupta

Saurabh K. Gupta is a seasoned database technologist with extensive experience in designing high performance and highly available database applications. His technology focus has been centered around Oracle Database architecture, Oracle Cloud platform, Database In-Memory, Database Consolidation, Multitenant, Exadata, Big Data, and Hadoop. He has authored the first edition of this book. He is an active speaker at technical conferences from Oracle Technology Network, IOUG Collaborate'15, AIOUG Sangam, and Tech Days. Connect with him on his twitter handle (or SAURABHKG) or through his technical blog www.sbhoracle. wordpress.com, with comments, suggestions, and feedback regarding this book.
Read more about Saurabh K. Gupta

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