Pejman Moghadam / C-programming

C - MySQL connection example

Public domain

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Example

#include <mysql.h>
#include <stdio.h>
#include <stdlib.h>
main() {
   MYSQL *conn;
   MYSQL_RES *res;
   MYSQL_ROW row;
   char *server = "localhost";
   char *user = "root";
   char *password = "";
   char *database = "mysql";
   conn = mysql_init(NULL);

   /* Connect to database */
   if (!mysql_real_connect(conn, server,
         user, password, database, 0, NULL, 0)) {
      fprintf(stderr, "%s\n", mysql_error(conn));
      exit(1);
   }

   /* send SQL query */
   if (mysql_query(conn, "show tables")) {
      fprintf(stderr, "%s\n", mysql_error(conn));
      exit(1);
   }
   res = mysql_use_result(conn);

   /* output table name */
   printf("MySQL Tables in mysql database:\n");
   while ((row = mysql_fetch_row(res)) != NULL)
      printf("%s \n", row[0]);

   /* close connection */
   mysql_free_result(res);
   mysql_close(conn);
}

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Compile

# mysql_config --libs
-rdynamic -L/usr/lib/mysql -lmysqlclient -lz -lcrypt -lnsl -lm -L/usr/lib/ -lssl -lcrypto

# mysql_config --cflags
-I/usr/include/mysql  -DUNIV_LINUX -DUNIV_LINUX

# gcc -o output-file $(mysql_config --cflags) mysql.c $(mysql_config --libs)

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Links

http://www.cyberciti.biz/tips/linux-unix-connect-mysql-c-api-program.html
http://zetcode.com/tutorials/mysqlcapitutorial/
http://dev.mysql.com/doc/refman/5.0/en/c.html

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BY: Pejman Moghadam
TAG: mysql, c
DATE: 2012-02-15 13:04:00

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