-- 执行提取数字的函数SELECTID,SampleString,dbo.ExtractNumbers(SampleString)ASExtractedNumbersFROMStringData; 1. 2. 3. 4. 5. 6. 7. 说明: 在此查询中,我们选择了ID和SampleString,并调用ExtractNumbers函数提取每个样本字符串中的数字,结果将显示提取后的数字。 4
usingSystem;usingSystem.Data.SqlTypes;usingSystem.Text.RegularExpressions;usingMicrosoft.SqlServer.Server;publicclassRegexString{[SqlFunction]publicstaticSqlStringExtractNumbers(SqlStringinput){if(input.IsNull)returnSqlString.Null;Regexregex=newRegex(@"\d+");MatchCollectionmatches=regex.Matches(input.Value);s...
The RegexMatch function provides many features to SQL Server, but the regular expressions implementation in .NET provides much more, as you'll see next. Data Extraction The grouping features of regular expressions can be used to extract data from a string. My RegexGroup fu...
Related Topics: OLE DB Connection Manager, ODBC Connection Manager, ADO Connection Manager, ADO.NET Connection Manager, SQL Server Compact Edition Connection Manager Connection Choose the connection from a list of defined connection managers. To create a new connection, select <New connection...>. ...
Sorting comparisons on string values performed by the XQuery implementation in SQL Server are always performed by using the binary Unicode codepoint collation. The following query retrieves all the telephone numbers for a specific customer from the AdditionalContactInfo column. The results are sorted ...
The next step is to go to the SSMS, in the Object Explorer, under the Server Objects folder, right-click on the Linked Server folder, and, from the menu, select the New Linked Server choice:This displays the New Linked Server dialog. You will then need to configure it to connect to ...
Related Topics:OLE DB Connection Manager,ODBC Connection Manager,ADO Connection Manager,ADO.NET Connection Manager,SQL Server Compact Edition Connection Manager Connection Choose the connection from a list of defined connection managers. To create a new connection, select <New connection...>. ...
Related Topics:OLE DB Connection Manager,ODBC Connection Manager,ADO Connection Manager,ADO.NET Connection Manager,SQL Server Compact Edition Connection Manager Connection Choose the connection from a list of defined connection managers. To create a new connection, select <New connection...>. ...
"String or binary data would be truncated" and field specifications “Unable to enlist in the transaction” with Oracle linked server from MS SQL Server [<Name of Missing Index, sysname,>] in non clustered index [Execute SQL Task] Error: The value type (__ComObject) can only be converted...
The methods used to extract data from each table. Generally, there are different methods for accessing the data in each table. If only a few rows with specific key values are required, the database server can use an index. If all the rows in the ...