CreateScalarParameter 方法 (String, IScalarDataType) Creates anIScalarParameterobject that has the specified name and data type. 命名空间:Microsoft.SqlServer.Management.SqlParser.MetadataProvider 程序集:Microsoft.SqlServer.Management.SqlParser(在 Microsoft.SqlServer.Management.SqlParser.dll 中) ...
SqlDataReader SqlDependency SqlError SqlErrorCollection SqlException SqlInfoMessageEventArgs SqlInfoMessageEventHandler SqlNotificationEventArgs SqlNotificationInfo SqlNotificationSource SqlNotificationType SqlParameter SqlParameterCollection SqlRetryingEventArgs SqlRetryIntervalBaseEnumerator ...
程序集: Microsoft.SqlServer.Management.SqlParser(在 Microsoft.SqlServer.Management.SqlParser.dll 中) 语法 C# 复制 public interface IMutableScalarDataType : IScalarDataType, IMutableDataType, IDataType, IMutableMetadataObject, IMetadataObject IMutableScalarDataType 类型公开以下成员。 属性 展开表 名称...
...通过SCALAR宏,可以使可重用的SQL代码对SQL Optimizer透明,这将带来很大的收益,包括: – SQL优化器可以转换代码以有效执行; – PL / SQL内部的查询可以合并到外部查询中;...例如,如下创建一个 Clip 函数,返回一个 SCALAR 值: create function clip(lo number, x number, hi number) return varchar2......
命名空间: Microsoft.SqlServer.Management.SqlParser.Metadata 程序集: Microsoft.SqlServer.Management.SqlParser(在 Microsoft.SqlServer.Management.SqlParser.dll 中)语法C# 复制 IScalarDataType DataType { get; set; } 属性值类型:Microsoft.SqlServer.Management.SqlParser.Metadata.IScalarDataType The IScalar...
Public documentation:Scalar UDF Inlining in Microsoft SQL Server - SQL Server | Microsoft Docs The underlying techniques that describe how this feature works are described in aresearchpublication titled " Froid: Optimization of Imperative programs in a Relational Database ". ...
SQL> SQL> DECLARE 2 TYPE number_varray IS VARRAY(10) OF NUMBER; 3 list NUMBER_VARRAY := number_varray(1,2,3,4,5,6,7,8,NULL,NULL); 4 BEGIN 5 FOR i IN 1..list.LIMIT LOOP 6 dbms_output.put('['||list(i)||']'); 7 END LOOP; 8 dbms_output.new_line; 9 END; 10 / [...
SQL procedural language (SQL PL) Additional information for Db2 SQL Db2 commands Db2 Utilities Db2 catalog tables Db2-supplied user tables Db2 requirements for the Common Criteria Db2 messages Db2 codes IRLM messages and codes Troubleshooting problems in Db2 Db2 glossary Notices 公...
sql 缓存 oracle 原创 潇湘隐者 2021-08-22 12:51:49 203阅读 Expected object ofscalartype Long but gotscalartype Double for argument #2 ‘target‘ 1.pytorch报错:loss_class = torch.nn.CrossEntropyLoss()s_data, s_label = data_source[0].to(DEVICE), data_sourc_data=s_data.float(), alpha...
_optimizer_unnest_scalar_sq参数是12.1引入的隐含参数,目的是支持标量子查询展开,通常能展开的子查询被改写为hash外连接的形式,能够看到HASH GROUP BY关键字,可能导致临时表空间激增或升级前sql异常缓慢。默认该参数启用:set linesize 132column name format a30column value format a25sel insert ...