6. --SQLite 专属的修改

//根据名字来修改年龄
-(void)changeStudentAge:(NSInteger)age withName:(NSString *)name
{

NSString *changeSQL = [NSString
stringWithFormat:@"UPDATE 'student' SET age = %ld WHERE name = '%@' ",age,name];

int result = sqlite3_exec(db, changeSQL.UTF8String,
NULL, NULL,
NULL);

if (SQLITE_OK == result) {

NSLog(@"修改成功");
}

else
{

NSLog(@"修改失败");
}
}