DB tables

digraph tablichki {
    rankdir=LR;
    node [shape=plaintext, fontname="Verdana", fontsize="12"];

    tblOrder [label=<
        <TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0">
            <TR><TD BGCOLOR="deepskyblue">Order</TD></TR>
            <TR><TD ALIGN="LEFT" PORT="pk">ID int PK</TD></TR>
            <TR><TD ALIGN="LEFT" PORT="fkPerson">PersonID int</TD></TR>
            <TR><TD ALIGN="LEFT">Price float</TD></TR>
            <TR><TD ALIGN="LEFT" PORT="fkCity">CityID int</TD></TR>
        </TABLE>
    >];

    tblPerson [label=<
        <TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0">
            <TR><TD BGCOLOR="deepskyblue">Person</TD></TR>
            <TR><TD ALIGN="LEFT" PORT="pk">ID int PK</TD></TR>
            <TR><TD ALIGN="LEFT">Name varchar</TD></TR>
        </TABLE>
    >];

    tblCity [label=<
        <TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0">
            <TR><TD BGCOLOR="deepskyblue">City</TD></TR>
            <TR><TD ALIGN="LEFT" PORT="pk">ID int PK</TD></TR>
            <TR><TD ALIGN="LEFT">Name varchar</TD></TR>
        </TABLE>
    >];

    tblOrder:fkPerson -> tblPerson:pk;
    tblOrder:fkCity -> tblCity:pk;
}