delete « Record « Java Database Q&A





1. Deleting a Record from a database    coderanch.com

Having trouble with the SQL code - not sure if this is right can anyone help me out.Do I have to make another class? Code------ public void deleteRecord(){ guestLastName = txtLastName.getText(); guestFirstName = txtFirstName.getText(); guestEmail =txtEmail.getText(); guestStreetAddress =txtStreetAddress.getText(); guestCity =txtCity.getText(); guestState = txtState.getText(); guestZip =txtZip.getText(); guestHPhone = txtHPhone.getText(); guestWPhone = txtWPhone.getText(); guestCell = txtCell.getText(); guestFax = txtFax.getText(); guestEmployer = txtEmployer.getText(); guestMisc ...

2. To delete a record    coderanch.com

3. how to reduce time in deleting records    coderanch.com

Hi all, I am using Prepared Statement to delete records from a table in Oracle 8i. My total number of records are 269818. The table have 15 columns in it. I am using like below ********************************* PreparedStatement psmtDel = null; delSql="DELETE from CUSTOMER where id like 'ap%'"; psmtDel = con.prepareStatement(delSql); boolean deleted = psmtDel.execute(); psmtDel.close(); ********************************** The above operation is taking ...

4. Record Deletion    coderanch.com

I think you misunderstand relational databases. A database table is a collection of rows. The row number (which I guess is what you are talking about when you say "position" and "recordid") is not a feature of most databases and should not be relied on. Furthermore, an SQL Select statement is allowed to return rows in any order, unless an Order ...

5. Delete operation as small chunks on records?    coderanch.com

I have a table consists of 10000 records. i want to delete these records, if i tried to delete those records at a time, database fail out of log space. So, I want to delete these 10000 records as smaller chunks. i am using DB2. Can anyone help me to delete the records in smaller chunks? thanks, ramakanth [ July 01, ...

6. deleting records in smaller chunks and issuing commit?    coderanch.com

i have some queries which perform deletion process and can able to delete millions of records and commiting at the end. the database holds the information in its transaction logs while they are running and there's always possibility that the transaction logs will fill up. So for instance a statement like: delete from tradert.rt_trd_aud where src_sys_cd='ITS' and fmly_trd_id in (select fmly_trd_id ...

7. Solved : How delete oldest records    coderanch.com

BTW I believe the original problem for the post was that targetTable or insertDate was null. And Darren, its not very helpful to just mark a post as solved without explaining why. You can help other people who have the same problem as you. [ August 27, 2008: Message edited by: Scott Selikoff ]

8. how to delete huge amount of records    coderanch.com

Which database are you using ? Whenever you delete any record(s), your RDBMS keeps them in Rollback segment, so in case if you issue a rollback command old data can be restored. In case you delete huge amount of record, you need to make sure that size of those records should not exceed what rollback segment can take care of. If ...

9. Delete records problem-Weblogic timeout    coderanch.com

Hi, I have a delete problem in my java application. In my application at one place it have to delete multiple rows from a table which has 5 child tables. The format of the DELETE statement is as follows: DELETE FROM RESOURCE WHERE RESOURCE_ID IN (list_of_resourceIds). The list of list_of_resourceIds size is 200 in number. We are using JDBC to do ...





10. How to take up the deleted record id number by the successor record id number?    coderanch.com

I would like to know something like this.I have a specific record to delete from a table.When the delete operation is successful,it will delete the row with specific id(Primary key & auto_increment'). Eg.I have a table with 3 rows and These 3 records have id field filled with int data(auto_increment).That is 1,2,3.What I would like to do is when I delete ...

11. Delete Records form Database    coderanch.com

Thank you again for kind help, Here's more code package plants; import java.sql.*; public class DeleteCode { Connection DBConn; Statement s; public void openDb(){ try{ Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); String myDB = "jdbc:odbc:Driver={Microsoft Access Driver (*.mdb)};DBQ=C:/database/Plantsdb.mdb"; DBConn = DriverManager.getConnection(myDB,"",""); } catch (Exception e) { System.out.println("Error: " + e); } } public void DeleteId(int SVID) { try { String sql = "delete from main where ...

12. Delete Records form Database    coderanch.com

13. check record dependency before deleting    java-forums.org

Hi all! Please help me on this... I would just like to create a method that checks if a record or records are being used in another table(s). We're using EJB3, JBoss Framework and MySQL in the development. Currently, our implementation is using a try catch. When trying to delete the record returns an exception, which is commonly about the record ...

14. Problem with deleting record.    java-forums.org

Hi guys I'm having trouble deleting a record from my database, I'm able to insert a record but can't delete any. This is my code for my delete button. Basically there supposed to put the number of the question into the text field and click the delete button then it takes the number the user has inputted and uses it in ...

15. deleting records in a db    java-forums.org

import java.sql.Connection; import java.sql.DriverManager; import java.sql.Statement; public class DeleteAllDBRecords { public static void main(String[] args) { try { Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); String dataSourceName = "first test"; String dbUrl = "jdbc:odbc:" + dataSourceName; Connection con = DriverManager.getConnection(dbUrl, "", ""); Statement s = con.createStatement(); s.execute("DELETE * FROM members"); s.close(); con.close(); } catch (Exception e) { System.out.println(e); } } }

16. How to delete a record from Excel database.    forums.oracle.com

Hi I have to use excel sheet as a database for my records. But when i am trying to delete a record from this excel sheet, it is throwing an exception. While searching on some forums i found that data cant be deleted from an excel sheet database. Please let me know if there is any solution to above problem considering ...