使用SqlDataReader 访问 UDT 将UDT 绑定为字节 使用UDT 参数 显示另外 2 个 适用范围:SQL Server 若要在客户端上创建用户定义的类型(UDT),在 SQL Server 数据库中注册为 UDT 的程序集必须可供客户端应用程序使用。 UDT 程序集可位于该应用程序的相同目录中,也可以位于全局程序...
当您在 SQL Server 中注册程序集或者创建类型时,它将不会被捕获。这是因为重载方法的检测发生在运行时而非类型创建之时。因此,只要不被调用,重载方法就能够存在于类中。如果该类被调用,将引发一个错误,错误提示为:“More than one method, property, or field was found with name method_name in class class...
SQL Server 資料庫中的 UDT 支援使用 System.Data.DataSet 和 System.Data.SqlClient.SqlDataAdapter 來擷取和修改數據。
in a particular UDT /// /// /// <returns></returns> [SqlFunctionAttribute(FillRowMethodName = "FillPropertyRow")] public static IEnumerable GetUdtProperties(string udtName) { return GetSqlProperties(GetUdt(udtName)); } public static void FillPropertyRow(object propertyMetadata, out s...
USE AdventureWorks; GO -- simple usage of the type in variables and select statements -- convert to string, binary, do a substring on it, get the utf8bytes DECLARE @u Utf8String; SET @u = CONVERT(Utf8String, 'hello world'); SELECT @u.ToString(), CONVERT(varbin...
[Microsoft.SqlServer.Server.SqlFunction] public static SqlBytes BinaryDecompress(SqlBytes inputBinary)//解密 { byte[] inputBytes = (byte[])inputBinary.Value; using (MemoryStream memStreamIn = new MemoryStream(inputBytes)) { using (GZipStream s = ...
36.85 spid27s SQL Server must shut down in order to recover a database (database ID 2). The database is either a user database that could not be shut down or a system database. Restart SQL Server. If ...
} [Microsoft.SqlServer.Server.SqlFunction] public static SqlBytes BinaryDecompress(SqlBytes inputBinary) //解密 { byte[] inputBytes = (byte[])inputBinary.Value; using (MemoryStream memStreamIn = new MemoryStream(inputBytes)) { using (GZipStream s = ...
一.摘要 表值参数(Table-valued parameters)简称TVP,是SQL Server 2008中引入的一种新特性,它...
Once the assembly containing the user-defined type (UDT) definition has been registered in a Microsoft SQL Server database, it can be used in a column definition. Creating Tables with UDTs There is no special syntax for creating a UDT column in a table. You can use the name of the UDT...