1. To upload an excel file as a clob stackoverflow.comCould some one give an idea about how to convert an excel file into a CLOB in oracle through JDBC. I would like to know how to covert excel file into ... |
2. Snippet to create a file from the contents of a blob in Java stackoverflow.comI have some files stored in a database blob column in Oracle 9. I would like to have those files stored in the file system. This should be pretty easy, but ... |
3. Insert file in blob field with jaybird 2.1.6 stackoverflow.comGood morning evrybody, I'm trying to insert a file in a blob field in a Firebird database using lib jaybird 2.1.6. First, I create a record in my database, then, with the id ... |
4. Working with files and blobs forums.netbeans.orgHello, I uploaded files with Tomahawk and stored them into a mysql blob, but when it comes to downloading them and opening them, I do not get them encoded in the ... |
5. Help......Writer BLOB from DB to File..... coderanch.comBasically you can get a Blob (see java.sql.Blob) from the result set. Read the InputStream given by getBinaryStream and write it to an OutputStream in a while loop reading XXXX and then writing XXXX. That's the way I've done in the past on other DBs. This if of course assumes that SQLServer JDBC implementation correctly implements Blob (and I believe it ... |
6. to get Database blob to JPG file coderanch.com |
7. Writing from a Text file to BLOB coderanch.comHi, I have a text file on UNIX file system. This text files contains some 5000 lines. Where each line represents a record in an Oracle Table.( basically i spooled a oracle table's data into this text file) I have a java class that writes this text file into a BLOB column on oracle database. As you know there are two ... |
8. get a file into an blob coderanch.comOh Sorry I will specify what I mean i have an getter and setter method in my Entity Bean. The parameter of the getter and setter is an byte array. (public abstract byte [] getPicData (); and public abstract void setPicData(byte [] picData); I use Jboss application Server V4.0 and MySQL V.4 When I read a file in png-Format from the ... |
9. Upload a blob file along with form data coderanch.com |
10. How to convert Blob Type back to File coderanch.comThanks so much for your replies. Here's the code that I have written just now: Can you take a look at it and give some comments? try { Statement stmt = connection.createStatement(); ResultSet rs = stmt.executeQuery("SELECT blobFile FROM tblBlobFiles"); if (rs.next()) { Blob blob = rs.getBlob("blobFile"); long blobLength = blob.length(); int pos = 1; // position is 1-based int len = ... |
11. Convert file to blob coderanch.comI have a file chooser. And he returns File object. I need to store that object in my-sql so i need to convert it somehow to Blob object becouse that is the object preparedstatement needs . How do i do that? Normal casting doesn't work... edit: I see that Blob is actually interface. Now im eaven more confused... |
12. BLOB file contents as HTML text coderanch.comHi All, We have a requirement where a file will be uploaded to a application (that can be in any format like pdf, txt, doc, img, hmt) and will get stored into Oracle DB as BLOB. I need to display the contents of that BLOB file as HTML text. Any idea how to do that? Also the file will be stored ... |
13. Printing a BLOB File coderanch.comThanks Wouter for the comments. Will publish the entire code once after completing. Just a small clarification. I have machines A , B,C,D together forming a cluster environment . When i click print data in machine A it prints it from the temp memory of the machine A. Is there a way that i can move the Data to machine D ... |
14. retrieveing blob from database and writing to an output file. forums.oracle.comRetrieveing blob from database and writing to an output file which is an EXCEL file. if(res.next()) { Blob blobData = res.getBlob("DOCCONTENT"); // retrieving a blob content from the database String srcfileName = res.getString("filename"); //Name of the file I retrieved from the database System.out.println("filename "+srcfileName); String fileName = "C: Documents and Settings\\Desktop blob data "+srcfileName; //destination filename FileOutputStream os = new FileOutputStream(fileName); ... |
15. send blob strait to user without file creation forums.oracle.comSo your question really has nothing to do with BLOB or even databases, eh? Isn't it really: I have a byte[] containing a pdf document. How can I display it to the user without creating a temporary file? This is where my crystal ball gets cloudy, but as the smoke got thicker, I think I saw a browser. Is your application ... |
16. Writing file from Blob forums.oracle.comYou are aware that BLOBs normally contain binary data such as images, right? If you open a binary file in a text editor what you will see is effectively "junk characters" because the text editor doesn't know how to interprete the data it reads. Try for example taking a JPEG image file and rename it so that the extension is .txt. ... |
17. Writing a file using BLOB forums.oracle.comout = new PrintWriter(new FileWriter( file)); out.write( outputStream.toString()) ; } catch(SQLException sqe){ throw sqe ; } catch(IOException ioe) { throw ioe ; } And even though the file contains some simple english chracters, when i recreate the file what I see in the file is all the junk ( a set of nonreadable characteres). Can anybody tell me what is wrong ... |