When you get following error? Error 3154: The backup set holds a backup of a database other than the existing database.

2523

What is the use of NOLOCK locking hint?

1788

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

3673

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

2707

ORA-26032: index string.string loading aborted after string keys

2113

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

2658

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(); } } }

2654

IMP-00096: Warning: Skipping table "string"."string" because type synonym "string"."string" cannot be created

1626

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

3180

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

2412

How will you Handle Error in SQL SERVER 2008?

2407

i have created ODBC through Data sources and tests completed sucessfully. when i am Trying to connect SQL Server through ODBC (ODBC :Oracle Open Client Adapter for ODBC 2.0.2.15.0 Microsoft SQL Server 09.00.3054) unable to Connect to SQL*Plus: Release 8.0.4.0.0. it is given following error-message . Error: ORA-03121: NO interface driver connected- function not performed.

2810

What is Mutex error in Triggers?

3076

write a database figure to implement the master detained relationship.

2940

what is the instrument that used in Mechanical Energy??

2685