Re: connect oracle 10g DB from C language

To use EXEC SQL directives you need to use the PRO*C precompiler before the C 
compiler.

See http://download.oracle.com/docs/cd/B19306_01/appdev.102/b14407/toc.htm 
Pro*C/C++ Programmer's Guide
10g Release 2 (10.2)

Reads the introduction first!

If you don't want to use the pre-compiler, you can't use PRO*C directives and 
embedded SQL - you can use OCI, the Oracle Call Interface, instead - see 
http://download.oracle.com/docs/cd/B19306_01/appdev.102/b14250/toc.htm.

Certainly, PRO*C is easier to get started with (in my opinion).

Hope that helps

Regards Nigel


----- Original Message ----
From: Shwe Yee Than <shweyeesyt@xxxxxxxxx>
To: Prasad <p4cldba@xxxxxxxxx>
Cc: oracle-l@xxxxxxxxxxxxx
Sent: Friday, January 18, 2008 7:36:58 AM
Subject: Re: connect oracle 10g DB from C language


As you suggested, I used the following code in my program:EXEC SQL WHENEVER 
SQLERROR GOTO error_in_SQL;    /* ... */error_in_SQL:    /* do error handling */

I got this error:
alpha1.c:12672: error: `EXEC' undeclared (first use in this function)

I also declare the header file: #include <sqlca.h>.

what should i do?? any sugession??




Prasad <p4cldba@xxxxxxxxx> wrote:
http://infolab.stanford.edu/~ullman/fcdb/oracle/or-proc.html#preprocessor%20directives


On Jan 17, 2008 8:55 PM, Shwe Yee Than <shweyeesyt@xxxxxxxxx> wrote:

Hi,

How can I connect to the oracle 10g database from C program code?  I want to 
use  EXEC SQL command in the C program.  Can anyone help me?

Thanks in advance.

Regards,
Shwe



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