Code:

public MySql_Init()
{
    // we tell the API that this is the information we want to connect to,
    // just not yet. basically it's like storing it in global variables
    g_SqlTuple = SQL_MakeDbTuple(Host,Userz,Pass,Db)

    // ok, we're ready to connect
    new ErrorCode,Handle:SqlConnection = SQL_Connect(g_SqlTuple,ErrorCode,g_Error,charsmax(g_Error))
    if(SqlConnection == Empty_Handle)
        // stop the plugin with an error message
        set_fail_state(g_Error)

    new Handle:Queries
    // we must now prepare some random queries
    Queries = SQL_PrepareQuery(SqlConnection,"CREATE TABLE IF NOT EXISTS tutorial (steamid varchar(32),exp INT(11))")

    if(!SQL_Execute(Queries))
    {
        // if there were any problems the plugin will set itself to bad load.
        SQL_QueryError(Queries,g_Error,charsmax(g_Error))
        set_fail_state(g_Error)

    }

    // Free the querie
    SQL_FreeHandle(Queries)

    // you free everything with SQL_FreeHandle
    SQL_FreeHandle(SqlConnection)
}

//public plugin_end()
//{
    // free the tuple - note that this does not close the connection,
    // since it wasn't connected in the first place
   // SQL_FreeHandle(g_SqlTuple)
//}

public Load_MySql(id)
{
    new szName[32], szTemp[512]
    get_user_name(id, szName, charsmax(szName))

    new Data[1]
    Data[0] = id

    //we will now select from the table `tutorial` where the steamid match
    format(szTemp,charsmax(szTemp),"SELECT * FROM `zmescape` WHERE (`escapes`.`name` = '%s')", szName)
    SQL_ThreadQuery(g_SqlTuple,"register_client",szTemp,Data,1)
}

public register_client(FailState,Handle:Query,Error[],Errcode,Data[],DataSize)
{
    if(FailState == TQUERY_CONNECT_FAILED)
    {
        log_amx("Load - Could not connect to SQL database.  [%d] %s", Errcode, Error)
    }
    else if(FailState == TQUERY_QUERY_FAILED)
    {
        log_amx("Load Query failed. [%d] %s", Errcode, Error)
    }

    new id
    id = Data[0]

    if(SQL_NumResults(Query) < 1)
    {
        //.if there are no results found

        new szName[32]
        get_user_name(id, szName, charsmax(szName)) // get user's steamid

        //  if its still pending we can't do anything with it
        if (equal(szName,"ID_PENDING"))
            return PLUGIN_HANDLED

        new szTemp[512]

        // now we will insturt the values into our table.
        format(szTemp,charsmax(szTemp),"INSERT INTO `zmescape` ( `name` , `escapes`)VALUES ('%s','0');",szName)
        SQL_ThreadQuery(g_SqlTuple,"IgnoreHandle",szTemp)
    }
    else
    {
        // if there are results found
        escapes[id]         = SQL_ReadResult(Query, 1)
    }

    return PLUGIN_HANDLED
}

public Save_MySql(id)
{
    new szName[32], szTemp[512]
    get_user_name(id, szName, charsmax(szName))

    // Here we will update the user hes information in the database where the steamid matches.
    format(szTemp,charsmax(szTemp),"UPDATE `zmescape` SET `escapes` = '%i' WHERE `escapes`.`name` = '%s';",escapes[id], szName)
    SQL_ThreadQuery(g_SqlTuple,"IgnoreHandle",szTemp)
}

As you see plugin_end function is quoted because it gives me error : [MySQL] Invalid handle: 0

The variable: [B]escapes[/B] just does not saves.. I haven't got any errors from the plugin.