Class.forName() method. For
Postgres, you would use:
-Class.forName(postgresql.Driver);
+Class.forName("postgresql.Driver");
This will load the driver, and while loading, the driver will automatically
Statement st = db.createStatement();
-ResultSet rs = st.executeQuery(select * from mytable);
+ResultSet rs = st.executeQuery("select * from mytable");
while(rs.next()) {
- System.out.print(Column 1 returned );
+ System.out.print("Column 1 returned ");
System.out.println(rs.getString(1));
}
rs.close();
result), you simply use the executeUpdate() method:
-st.executeUpdate(create table basic (a int2, b int2));
+st.executeUpdate("create table basic (a int2, b int2)");
To insert an image, you would use:
-File file = new File(myimage.gif);
+File file = new File("myimage.gif");
FileInputStream fis = new FileInputStream(file);
-PreparedStatement ps = conn.prepareStatement(insert into images values (?,?));
+PreparedStatement ps = conn.prepareStatement("insert into images values (?,?)");
ps.setString(1,file.getName());
ps.setBinaryStream(2,fis,file.length());
ps.executeUpdate();
Statement can equally be used):
-PreparedStatement ps = con.prepareStatement(select oid from images where name=?);
-ps.setString(1,myimage.gif);
+PreparedStatement ps = con.prepareStatement("select oid from images where name=?");
+ps.setString(1,"myimage.gif");
ResultSet rs = ps.executeQuery();
if(rs!=null) {
while(rs.next()) {