テーブルから情報を削除するには、DELETE ステートメントを使用します。

DELETE 構文

DELETE ステートメントには、次の例に示すように、FROM 句のテーブル名とWHERE 句の行の主キーが必要です。

<delete_statement> ::= DELETE FROM <table_name> WHERE { sys_id = <expression> } [ { AND | OR } ... ]

<expression> ::=
  | @ <parameter> 
  | ?
  | <literal>

次の例に示すように、ExecuteNonQuery メソッドを使って、データ操作コマンドを実行し影響を受ける行数を取得できます。

C#

String connectionString = "InitiateOAuth=GETANDREFRESH;OAuthClientId=MyClientId;OAuthClientSecret=MyClientSecret;User=MyUser;Password=MyPassword;Url=https://MyInstance12345.service-now.com/;";
using (ServiceNowConnection connection = new ServiceNowConnection(connectionString)) {
  int rowsAffected;
  ServiceNowCommand cmd = new ServiceNowCommand("DELETE FROM incident WHERE sys_id = @mysys_id", connection);
  cmd.Parameters.Add(new ServiceNowParameter("mysys_id","S"));
  rowsAffected = cmd.ExecuteNonQuery();
}

VB.NET

  
Dim connectionString As [String] = "InitiateOAuth=GETANDREFRESH;OAuthClientId=MyClientId;OAuthClientSecret=MyClientSecret;User=MyUser;Password=MyPassword;Url=https://MyInstance12345.service-now.com/;"
Using connection As New ServiceNowConnection(connectionString)
  Dim rowsAffected As Integer
  Dim cmd As New ServiceNowCommand("DELETE FROM incident WHERE sys_id = @mysys_id", connection)
  cmd.Parameters.Add(New ServiceNowParameter("mysys_id", "S"))
  rowsAffected = cmd.ExecuteNonQuery()
End Using