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import com.sun.star.uno.*;
import com.sun.star.beans.XPropertySet;
import com.sun.star.sdbc.*;
public class Sales
{
private final XConnection con;
public Sales(XConnection connection )
{
con = connection;
}
// create the table sales.
public void createSalesTable() throws com.sun.star.uno.Exception
{
String createTableSales = "CREATE TABLE SALES " +
"(SALENR INTEGER NOT NULL, " +
" COS_NR INTEGER, " +
" SNR INTEGER, " +
" NAME VARCHAR(50)," +
" SALEDATE DATE," +
" PRICE FLOAT(10), " +
" PRIMARY KEY(SALENR)" +
" )" ;
XStatement stmt = con.createStatement();
stmt.executeUpdate( createTableSales );
}
// drop the table sales.
public void dropSalesTable() throws com.sun.star.uno.Exception
{
String createTableSalesman = "DROP TABLE SALES " ;
XStatement stmt = con.createStatement();
stmt.executeUpdate( createTableSalesman );
}
// insert data into the table sales.
public void insertDataIntoSales() throws com.sun.star.uno.Exception
{
XStatement stmt = con.createStatement();
stmt.executeUpdate("INSERT INTO SALES " +
"VALUES (1, '100', '1','Linux','2001-02-12',15)" );
stmt.executeUpdate("INSERT INTO SALES " +
"VALUES (2, '101', '2','Beef','2001-10-18',15.78)" );
stmt.executeUpdate("INSERT INTO SALES " +
"VALUES (3, '104', '4','orange juice','2001-08-09',1.5)" );
}
// update the table sales with a prepared statement.
public void updateSales() throws com.sun.star.uno.Exception
{
XStatement stmt = con.createStatement();
String updateString = "UPDATE SALES " +
"SET PRICE = 30 " +
"WHERE SALENR = 1" ;
stmt.executeUpdate(updateString);
}
// retrieve the data of the table sales.
public void retrieveSalesData() throws com.sun.star.uno.Exception
{
XStatement stmt = con.createStatement();
String query = "SELECT NAME, PRICE FROM SALES " +
"WHERE SALENR = 1" ;
XResultSet rs = stmt.executeQuery(query);
XRow row = UnoRuntime.queryInterface(XRow.class , rs);
while (rs.next()) {
String s = row.getString(1 );
float n = row.getFloat(2 );
System.out.println("The current price for " + s + " is: $" + n + "." );
}
}
// displays the column names
public void displayColumnNames() throws com.sun.star.uno.Exception
{
XStatement stmt = con.createStatement();
XPropertySet xProp = UnoRuntime.queryInterface(XPropertySet.class ,stmt);
xProp.setPropertyValue("ResultSetType" , Integer.valueOf(ResultSetType.SCROLL_INSENSITIVE));
xProp.setPropertyValue("ResultSetConcurrency" , Integer.valueOf(ResultSetConcurrency.READ_ONLY));
XResultSet rs = stmt.executeQuery("SELECT NAME, PRICE FROM SALES" );
XResultSetMetaDataSupplier xRsMetaSup = UnoRuntime.queryInterface(XResultSetMetaDataSupplier.class ,rs);
XResultSetMetaData xRsMetaData = xRsMetaSup.getMetaData();
int nColumnCount = xRsMetaData.getColumnCount();
for (int i=1 ; i <= nColumnCount ; ++i)
{
System.out.println("Name: " + xRsMetaData.getColumnName(i) + " Type: " +
xRsMetaData.getColumnType(i));
}
}
}
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Messung V0.5 in Prozent C=94 H=53 G=76
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-09-29)
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