ADO.NET Provider for PingOne

Build 25.0.9434

DELETE ステートメント

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 { 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 = "AuthScheme=OAuth;InitiateOAuth=GETANDREFRESH;WorkerAppEnvironmentId=eebc33a8-xxxx-4f3a-yyyy-d3e5262fd49e;Region=NA;OAuthClientId=client_id;OAuthClientSecret=client_secret;";
using (PingOneConnection connection = new PingOneConnection(connectionString)) {
  int rowsAffected;
  PingOneCommand cmd = new PingOneCommand("DELETE FROM [CData].[Administrators].Users WHERE Id = @myId", connection);
  cmd.Parameters.Add(new PingOneParameter("myId","39ef9b6f-5973-4701-bd19-7950d4b7d6e0"));
  rowsAffected = cmd.ExecuteNonQuery();
}

VB.NET

  
Dim connectionString As [String] = "AuthScheme=OAuth;InitiateOAuth=GETANDREFRESH;WorkerAppEnvironmentId=eebc33a8-xxxx-4f3a-yyyy-d3e5262fd49e;Region=NA;OAuthClientId=client_id;OAuthClientSecret=client_secret;"
Using connection As New PingOneConnection(connectionString)
  Dim rowsAffected As Integer
  Dim cmd As New PingOneCommand("DELETE FROM [CData].[Administrators].Users WHERE Id = @myId", connection)
  cmd.Parameters.Add(New PingOneParameter("myId", "39ef9b6f-5973-4701-bd19-7950d4b7d6e0"))
  rowsAffected = cmd.ExecuteNonQuery()
End Using

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Build 25.0.9434