Database Errors Interview Questions
Questions Answers Views Company eMail

mount: mount to NFS server failed: System Error: Connection timed out

3295

what is error treshold?

1 3430

this is the exception raised when i am working with oracle 11g java.lang.ClassNotFoundException: oracle.jdbc.Driver.Ora cleDriver.. but i set the class path for both oracle and java..

1 3653

How to solve -805 error i.e. Bind issue. There are two conditions- 1) If you have access to the database table 2) If you don't have access to the table

2168

what is new g/l functionality

2216

what is the instrument that used in Mechanical Energy??

2262

I have written the code as below. here problem is that dt remain null. how to solve thst please tell me. public partial class Form1 : Form { private DataTable DTable; private DataRow drow; public Form1() { InitializeComponent(); } private OleDbConnection getConnection() { OleDbConnection con=new OleDbConnection (@"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\Documents and Settings\Administrator\My Documents\Visual Studio 2008\Projects\winApp for Student\winApp for Student\App_Data\SchooMgnSystem.mdb;Persist Security Info=True"); return con; } private void button1_Click(object sender, EventArgs e) { InsertData(); } private void InsertData() { if (DTable==null) { DTable = new DataTable(); DTable.Columns.Add("StudID", typeof(string)); DTable.Columns.Add("StudName", typeof (string)); DTable.Columns.Add("Address", typeof(string)); drow = DTable.NewRow(); drow[0] = txtStudID.Text; drow[1] = txtSTudName.Text; drow[2] = txtAddress.Text; DTable.Rows.Add(drow); grdStudent.DataSource = DTable; } else { drow = DTable.NewRow(); drow[0] = txtStudID.Text; drow[1] = txtSTudName.Text; drow[2] = txtAddress.Text; DTable.Rows.Add(drow); grdStudent.DataSource = DTable; } } private void button2_Click(object sender, EventArgs e) { string cmdstr; OleDbCommand cmd; OleDbConnection con = getConnection(); foreach (DataRow Drow in DTable.Rows) { cmdstr = "Insert into Student values('" + drow[0].ToString() + "','" + drow[1].ToString() + "','"+drow [2].ToString()+"')"; cmd = new OleDbCommand(cmdstr,con); try { con.Open(); cmd.ExecuteNonQuery(); } catch (Exception ex) { MessageBox.Show(ex.Message); } finally { con.Close(); } } }

2244

how can i get the question papers of year 2006 and 2007 of 12th commerce gujarat board

1867

write a database figure to implement the master detained relationship.

2434

Hi guys, I have four tables those are emp,dept,eliminate and uneliminate. i wrote small cursor..when i run, it display one error (ORA-01403 nodata found)... The query is: Declare cursor c1 is select e.ename emp_name from emp e,dept d where e.deptno=d.deptno group by deptno; r1 c1%rowtype; test_emp varchar2(200); begin for r1 in c1 loop begin select eliminate_emp into test_emp from eliminate t,uneliminate ut where t.number=ut.number and t.deptno=e.deptno and rownum<1; end; dbms_output.put_line(r1.emp_name); end loop; end; Thanks...

IBM,

2141

Hi guys, I have four tables those are emp,dept,eliminate and uneliminate. i wrote small cursor..when i run, it display one error (ORA-01403 nodata found)... The query is: Declare cursor c1 is select e.ename emp_name from emp e,dept d where e.deptno=d.deptno group by deptno; r1 c1%rowtype; test_emp varchar2(200); begin for r1 in c1 loop begin select eliminate_emp into test_emp from eliminate t,uneliminate ut where t.number=ut.number and t.deptno=e.deptno and rownum<1; end; dbms_output.put_line(r1.emp_name); end loop; end; Thanks...

IBM,

2259

When i am connect database through toad,one error occured. ORA-12514: TNS:listener does not currently know of service requested in connect descriptor. plz help me thanks advance.............

2323

when i save float data value 11.22 but this see in table 11.220000004758456 type ? how to save only two decimal point.

1 3806

if the lengths of two wires are same and the area of cross sections is 4:7 then what will be the ratio of current passing through these wires

Wipro,

2234

invalid quantity specification negative quantity are not allowed for this item please check this item definition quantity

2862


Un-Answered Questions { Database Errors }

ORA-26076: cannot set or reset value after direct path structure is allocated

1476


IMP-00070: Lob definitions in dump file are inconsistent with database.

1290


ORA-16516: The current state is invalid for the attempted operation.

8072


What is the meaning of lock escalation and why/how to stop this?

2165


How to resolve QSM-01108 error. I have no OR conditions in my query, but do have 9 IN conditions. The error says the max limit is 2 while I have 257 number of disjuncts. However, if I remove even a single IN condition, the query is rewritten. I cannot change my query. How can I resolve this issue?

2313






When do you get "getwmicomexception"?

2267


java.sql.SQLException:Invalid state, the statement object is closed Hai all i got this error when i am multiple times referesh web page

6234


what is the instrument that used in Mechanical Energy??

2262


what is new g/l functionality

2216


What is live lock, deadlock and what is Lock escalation?

1952


invalid quantity specification negative quantity are not allowed for this item please check this item definition quantity

2862


What severity level errors are managed in TRY-CATCH block?

1795


IMP-00060: Warning: Skipping table "string"."string" because object type "string"."string" does not exist or has different identifier

2622


RMAN-05017: no copy of datafile number found to recover

1889


ORA-26094: stream format error: input column overflow

2254