How do you count multiple columns of a field in a table

Select count (*)

of user_tab_columns

where table_name = 'YOUR_TABLE '.

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How to load a multiple column table in the coherence of caches?

How to load a multiple column table in the coherence of caches?
I want to load a multi-column (about 20 columns) table in cache coherence. How to change the following code (spatially how to change the SQL SELECT statement)?
Is the following select statement enough: Select the key, the value of EMPLOYEES ?

public static void bulkLoad(NamedCache cache, Connection conn)
    {
    Statement s;
    ResultSet rs;
    
    try
        {
        s = conn.createStatement();
        rs = s.executeQuery("select key, value from table");
        while (rs.next())
            {
            Integer key   = new Integer(rs.getInt(1));
            String  value = rs.getString(2);
            cache.put(key, value);
            }
        ...
        }
    catch (SQLException e)
        {...}
    }

First of all, you need a class to hold your 20 fields:

public class Data {

    private String field1;
    private String field2;
    private String field3;
    private String field4;
    private String field5;
    private String field6;
    private String field7;
    private String field8;
    private String field9;
    private String field10;
    private String field11;
    private String field12;
    private String field13;
    private String field14;
    private String field15;
    private String field16;
    private String field17;
    private String field18;
    private String field19;
    private String field20;

    public Data() {
    }

    public String getField1() {
        return field1;
    }

    public void setField1(String field1) {
        this.field1 = field1;
    }

    public String getField2() {
        return field2;
    }

    public void setField2(String field2) {
        this.field2 = field2;
    }

    public String getField3() {
        return field3;
    }

    public void setField3(String field3) {
        this.field3 = field3;
    }

    public String getField4() {
        return field4;
    }

    public void setField4(String field4) {
        this.field4 = field4;
    }

    public String getField5() {
        return field5;
    }

    public void setField5(String field5) {
        this.field5 = field5;
    }

    public String getField6() {
        return field6;
    }

    public void setField6(String field6) {
        this.field6 = field6;
    }

    public String getField7() {
        return field7;
    }

    public void setField7(String field7) {
        this.field7 = field7;
    }

    public String getField8() {
        return field8;
    }

    public void setField8(String field8) {
        this.field8 = field8;
    }

    public String getField9() {
        return field9;
    }

    public void setField9(String field9) {
        this.field9 = field9;
    }

    public String getField10() {
        return field10;
    }

    public void setField10(String field10) {
        this.field10 = field10;
    }

    public String getField11() {
        return field11;
    }

    public void setField11(String field11) {
        this.field11 = field11;
    }

    public String getField12() {
        return field12;
    }

    public void setField12(String field12) {
        this.field12 = field12;
    }

    public String getField13() {
        return field13;
    }

    public void setField13(String field13) {
        this.field13 = field13;
    }

    public String getField14() {
        return field14;
    }

    public void setField14(String field14) {
        this.field14 = field14;
    }

    public String getField15() {
        return field15;
    }

    public void setField15(String field15) {
        this.field15 = field15;
    }

    public String getField16() {
        return field16;
    }

    public void setField16(String field16) {
        this.field16 = field16;
    }

    public String getField17() {
        return field17;
    }

    public void setField17(String field17) {
        this.field17 = field17;
    }

    public String getField18() {
        return field18;
    }

    public void setField18(String field18) {
        this.field18 = field18;
    }

    public String getField19() {
        return field19;
    }

    public void setField19(String field19) {
        this.field19 = field19;
    }

    public String getField20() {
        return field20;
    }

    public void setField20(String field20) {
        this.field20 = field20;
    }
}

Then you can use it to store data in you original code

public static void bulkLoad(NamedCache cache, Connection conn)
    {
    Statement s;
    ResultSet rs;

    try
        {
        s = conn.createStatement();
        String sql = "select key, value, value2, " +
                "value3, value4, value5, value6, " +
                "value7, value8, value9, value10 " +
                "value11, value12, value13, value14, " +
                "value15, value16, value17, value18, " +
                "value19, value120 from table";

        rs = s.executeQuery(sql);
        while (rs.next())
            {
            Integer key   = new Integer(rs.getInt(1));
            Data data = new Data();
            data.setField1(rs.getString(2));
            data.setField2(rs.getString(3));
            data.setField3(rs.getString(4));
            data.setField4(rs.getString(5));
            data.setField5(rs.getString(6));
            data.setField6(rs.getString(7));
            data.setField7(rs.getString(8));
            data.setField8(rs.getString(9));
            data.setField9(rs.getString(10));
            data.setField10(rs.getString(11));
            data.setField11(rs.getString(12));
            data.setField12(rs.getString(13));
            data.setField13(rs.getString(14));
            data.setField14(rs.getString(15));
            data.setField15(rs.getString(16));
            data.setField16(rs.getString(17));
            data.setField17(rs.getString(18));
            data.setField18(rs.getString(19));
            data.setField19(rs.getString(20));
            data.setField20(rs.getString(21));
            cache.put(key, data);
            }
        ...
        }
    catch (SQLException e)
        {...}
    }

Of course your data object would need the appropriate field names and you will have no channels for all types. It must also implement equals and hashCode and ideally PortableObject.

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Boerenkaas wrote:

[..] For Jongware, sorry I said rather than ePub eBook. In fact, I have a little experience with print. PDF files would be wonderful if Amazon and Apple accepted them. If. ;-)

Maybe I should have given a concrete example of what I had to do: http://www.dirtyoldbooks.com/eric2/theodosius_i.pdf

If this is a true example of what you need to do, you need a PDF file!

First of all, because this is a PDF but second, there is no way you can get this kind of complex multi - / covering/image/text column layout in any ePub - even in this case, if you could is always your initial question of "How do you get a column about the size of a screen and three on another. The industry isn't just so far.

The only way you get something like that is as fixed Format ePub, and is "fixed" because virtually all of the elements are transferred in a position of pixels fixed through many div boxes, essentially cancelling the reason of existence of the ePub files (recomposable, resizable, reformattable). But if it's good enough for you, read Liz Castro pigs, gourdes and Wiki blog about it. (She also wrote a whole book, if allows you you interested.)

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>

WHAT CASE G = NULL THEN NULL OTHER CASE (F = NULL AND G < sysdate)="" then="" sysdate="" -="" g="" else="" when="" case="" (f=""> <> NULL AND F > G) THEN F - G END OTHERWISE NULL

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Column of Outlook Express folder in find

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How do you count multiple columns of a field in a table

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