1. 创建函数的基本框架 在SQL Server 中,自定义函数使用CREATE FUNCTION语句创建。我们首先定义函数的名称和返回类型。 CREATEFUNCTIONdbo.MyCustomStringFunction(@InputValueINT)RETURNSVARCHAR(100)ASBEGIN-- 函数主体将在此编写RETURN'';-- 默认返回空字符串END 1. 2. 3. 4. 5. 6. 7. CREATE FUNCTION dbo....
1 //调用返回多个结果集的存储过程 2 String[] getResultSetParameter=new String[]{"hang","haha"}; 3 String executProduceStr="call getMultipleResultSetProcudure(?,?)"; 4 JSONArray rest=(JSONArray) MySqlHepler.callProcReturnMultipleSet(executProduceStr, getResultSetParameter); 5 out.println(rest...
Return a number as a string: SELECTSTR(185); Try it Yourself » Definition and Usage The STR() function returns a number as a string. Syntax STR(number,length,decimals) Parameter Values ParameterDescription numberRequired. The number to convert to a string ...
function to return multiple values in SQL SERVER Function with CASE Statements Functions not recognized in sql server 2012 Fuzzy String Matching Geeting TIMEOUT while executing a Stored Procedure. Generate a alphanumeric id for primary key min 4 digits Generate all the quarters between start and end...
Using inline function expression Similar as above except here the function is defined inline. U-SQL 複製 @result = SELECT EmpID, EmpName, ( (Func<string, DateTime?>) (dateString => // input_paramater { DateTime dateValue; return DateTime.TryParse(dateString, out dateValue) ? (DateTime?)dat...
CREATEFUNCTION[dbo].[ScalarFun](@IDint)--设置一个int类型参数RETURNSvarchar(100)--返回string类型ASBEGINDECLARE@namevarchar(100);--申明变量IF(@ID=5)beginSELECT@name='5岁的小明'endELSEbeginSELECT@name='who?'endRETURN@name--返回值END
PLSQL常用函数 1)处理字符的函数 || 或 CONCAT---并置运算符。 格式∶CONCAT(STRING1, STRING2) 例:’ABC’|| ’DE’=’ABCDE’ CONCAT(‘ABC’,’DE’) =’ABCDE’ ASCII---返回字符的ASCII码。 例:ASCII(‘
Learn more about the Microsoft.SqlServer.TransactSql.ScriptDom.FunctionReturnType.FunctionReturnType in the Microsoft.SqlServer.TransactSql.ScriptDom namespace.
CREATE FUNCTION SPLIT_STR( x VARCHAR(255), delim VARCHAR(12), pos INT ) RETURNS VARCHAR(255) RETURN REPLACE(SUBSTRING(SUBSTRING_INDEX(x, delim, pos), LENGTH(SUBSTRING_INDEX(x, delim, pos -1)) + 1), delim, ''); 定义完成后,通过命令:SELECT SPLIT_STR(string, delimiter, position) 使用...
voidtransDemo(HiSqlClient sqlClient){intcount =10;stringtabname =typeof(H_Test02).Name; List lstdata = buildData10Col(count); sqlClient.Delete(tabname).ExecCommand();using(varsqlClt = sqlClient.CreateUnitOfWork()) { sqlClt.Insert(tabname, lstdata).ExecCommand(); sqlClt.Modi...