oracle - how to Move data from one table to another c# -

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i have 2 table named test1 , test2 want move data test1 test2 in way if condition matches update data else insert in database.i have done oracle query posted down.i have achieve 2 more tasks

**1>i have move operation in console c# application

2>i have remove leading blank spaces entries t2_fname , account_number** how can achieve task need ado.net c# code if how it

merge test2 using test1 b    on (a.t2_name = b.t1_name) when matched update   set a.t2_fname = b.t1_fname,       a.account_number = b.account_no,  when not matched insert (t2_slno,t2_name,t2_fname,account_number) values (t2_node_seq.nextval, b.t1_name,b.t1_fname,b.account_no);

  1. you can create console application , use ado.net execute query

  2. use trim function in oracle remove leading blank spaces.

here code (not tested don't have oracle db)

using system; using system.data; using system.data.oracleclient;  namespace testapp {     class program     {         static void main()         {             string connectionstring = "data source=thisoracleserver;integrated security=yes;";             string querystring = @"merge test2                                     using test1 b                                         on (a.t2_name = b.t1_name)                                     when matched update                                         set a.t2_fname = trim(b.t1_fname),                                             a.account_number = trim(b.account_no),                                      when not matched                                     insert (t2_slno,t2_name,t2_fname,account_number)                                     values (t2_node_seq.nextval, b.t1_name,trim(b.t1_fname),trim(b.account_no));";              using (oracleconnection connection = new oracleconnection(connectionstring))             {                 using (oraclecommand command = connection.createcommand())                 {                     command.commandtext = querystring;                      try                     {                         connection.open();                         command.executescalar();                     }                     catch (exception ex)                     {                         //log exception here;                         throw;                     }                 }             }         }     } }

references

  1. msdn
  2. oracle trim function

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