然后在 SQL Server 中注册该 CLR 程序集: CREATEASSEMBLY RegexFunctionsFROM'C:\path\to\your\RegexFunctions.dll'WITHPERMISSION_SET=SAFE; 1. 2. 3. 创建相应的 SQL Server 函数,以便于在 T-SQL 中使用: CREATEFUNCTIONdbo.IsValidEmail(@emailNVARCHAR(255))RETURNSBITASEXTERNAL NAME RegexFunctions.[YourNa...
For example, if you had a column that stored a URL, you can now easily parse the URL to determine individual pieces. This query uses grouping to determine every distinct server stored in the Url column of the UrlTable table. 复制 select distinct dbo.RegexGroup( [Url]...
usingSystem;usingSystem.Text.RegularExpressions;usingMicrosoft.SqlServer.Server;usingSystem.Data.SqlTypes;publicclassRegexUtils{[SqlFunction]publicstaticSqlStringExtractPattern(SqlStringinput,SqlStringpattern){if(input.IsNull||pattern.IsNull){returnSqlString.Null;}Regexregex=newRegex(pattern.Value);Matchmatch=r...
The problem you now have is that the results returned by the RegexGroups function are not directly usable. Instead of using a cursor to iterate over the results, you can use the pivot functionality in SQL Server 2005. Putting all of this together into a stored procedure, you have everything...
C# read server with socket (ASCII) C# reading excel file where the header is not the first row in OLEDB c# Reading/Writing file in Properties.resources C# Receive UDP Broadcast c# reflection can't get values c# Regex catch string between two string c# regex: how to exclude \r\n? C# Reg...
问SQL Server regex和where子句中的if elseENWhere 是一个约束声明,使用Where约束来自数据库的数据,...
Regex reg=newRegex(pattern.TrimEnd(null));returnreg.Match(matchString.TrimEnd(null)).Success; } } SQL SERVER 代码 加载程序集 USEInvestorRelationsCREATEASSEMBLY ExampleUDFFROM'E:\学习\SessionTest\TestKZCCGC\bin\Debug\TestKZCCGC.dll' 创建函数 ...
问SQL Server中的正则表达式EN许多有经验的数据库开发或者DBA都曾经头痛于并行查询计划,尤其在较老版本的...
In the example code, the wrapper is a simple class that exposes three public methods: IsExpressInstalled, EnumSQLInstances, and InstallExpress. Ideally, you do not have to know if SQL Server Express or any other instance of SQL Server is already installed on the local computer. This example...
The ISO standards reserved keywords list sometimes can be more restrictive than SQL Server and at other times less restrictive. For example, the ISO reserved keywords list containsINT. SQL Server does not have to distinguish this as a reserved keyword. ...