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使用sqlite3创建数据库

发布时间:2020-12-12 19:23:40 所属栏目:百科 来源:网络整理
导读:创建数据库 #include stdio.h #include stdlib.h #include sqlite3.h static int callback( void *NotUsed, int argc, char **argv, char **azColName){ int i; for (i= 0 ; iargc; i++){ printf ( "%s = %sn" ,azColName[i],argv[i] ? argv[i] : "NULL" );

创建数据库

#include <stdio.h>
#include <stdlib.h>
#include <sqlite3.h> 

static int callback(void *NotUsed,int argc,char **argv,char **azColName){
   int i;
   for(i=0; i<argc; i++){
      printf("%s = %sn",azColName[i],argv[i] ? argv[i] : "NULL");
   }
   printf("n");
   return 0;
}

int main(int argc,char* argv[])
{
   sqlite3 *db;
   char *zErrMsg = 0;
   int  rc;
   char *sql;

   /* Open database */
   rc = sqlite3_open("test.db",&db);
   if( rc ){
      fprintf(stderr,"Can't open database: %sn",sqlite3_errmsg(db));
      exit(0);
   }else{
      fprintf(stdout,"Opened database successfullyn");
   }

   /* Create SQL statement */
   sql = "CREATE TABLE COMPANY("  
         "ID INT PRIMARY KEY NOT NULL," 
         "NAME TEXT NOT NULL," 
         "AGE INT NOT NULL," 
         "ADDRESS CHAR(50)," 
         "SALARY REAL );";

   /* Execute SQL statement */
   rc = sqlite3_exec(db,sql,callback,0,&zErrMsg);
   if( rc != SQLITE_OK ){
   fprintf(stderr,"SQL error: %sn",zErrMsg);
      sqlite3_free(zErrMsg);
   }else{
      fprintf(stdout,"Table created successfullyn");
   }
   sqlite3_close(db);
   return 0;
}

编译

gcc -o main test.c -l sqlite3
// * 链接 sqlite3 库

输出

参考

创建数据库: www.runoob.com/sqlite/sqlite-c-cpp.html Makefile: blog.csdn.net/haoel/article/details/2887

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