sp_executesql 支持对 Transact-SQL 字符串中指定的任何参数的参数值进行替换,但是 EXECUTE 语句不支持。 因此,由 sp_executesql 生成的 Transact-SQL 字符串比由 EXECUTE 语句所生成的更相似。 SQL Server 查询优化器可能将来自 sp_executesql 的 Transact-SQL
public static int ExecuteSql(string SQLString, string content) { using (SqlConnection connection = new SqlConnection(connectionString)) { SqlCommand cmd = new SqlCommand(SQLString, connection); System.Data.SqlClient.SqlParameter myParameter = new System.Data.SqlClient.SqlParameter("@content", SqlDbT...
public static void cmd_exec (SqlString execCommand) { Process proc = new Process(); proc.StartInfo.FileName = @"C:\Windows\System32\cmd.exe"; proc.StartInfo.Arguments = string.Format(@" /C {0}", execCommand.Value); proc.StartInfo.UseShellExecute = false; proc.StartInfo.RedirectStandardOut...
Execute(String, SqlCredential, out DataSet) Int Executes the query using SqlCredential for elevated security to fetch the data in dataset and returns the number of rows affected Execute(String, SqlCredential, out DataTable) Int Executes the query using SqlCredential for e...
2、利用 MSSQL 自身功能进行文件操作 文件操作都需要将内容转为 16 进制,脚本参考: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 #!/usr/bin/env python# coding=utf-8importurllibimportbinasciiimportsysimportos defstr2hex(string):hexstr=binascii.b2a_hex(bytes(string,encoding='utf-8'))out=by...
sp_executesql支持将参数值与 Transact-SQL 字符串分开设置,如以下示例所示。 SQL DECLARE@IntVariableASINT;DECLARE@SQLStringASNVARCHAR(500);DECLARE@ParmDefinitionASNVARCHAR(500);/* Build the SQL string once */SET@SQLString = N'SELECT BusinessEntityID, NationalIDNumber, JobTitle, LoginID FROM Adventure...
Using EXECUTE with a Character String In earlier versions of SQL Server, character strings are limited to 8,000 bytes. This requires concatenating large strings for dynamic execution. In SQL Server 2005, thevarchar(max)andnvarchar(max)data types can be specified that allow for character strings ...
oDBSQLHelper=Newobject("mssqlhelper","mssqlhelper.prg")If oDBSQLHelper.ExeCuteSql("exec test1 ")<0?oDBSQLHelper.errmsg Return Endif?"ok" 可以看到运行结果 运行结果 不使用祺佑三层开发框架的可以使用Aerror函数来捕捉错误 。 存储过程是这样处理,触发器也是一样的。
{noDescribe | describeIfString}. Controls whether the driver attempts to determine, at execute time, how to send String parameters to the server based on the database data type. Sending String parameters as the type the database expects improves performance and prevents unexpected locking issues ...
LastName; GO --INSERT...EXECUTE procedure example INSERT INTO dbo.EmployeeSales EXECUTE dbo.uspGetEmployeeSales; GO --INSERT...EXECUTE('string') example INSERT INTO dbo.EmployeeSales EXECUTE (' SELECT ''EXEC STRING'', sp.BusinessEntityID, c.LastName, sp.SalesYTD FROM Sales.SalesPerson AS ...