通过建立 MS SQL 到 PostgreSQL 的实时复制链路,完成数据验证后将应用系统切换至新平台,并反转同步方向,实现 PostgreSQL 到 MS SQL 的双向保持同步,确保在并行运行期内可随时回退。这一方案既保障了业务连续性,也为后续更多数据库的统一迁移提供了可复制的技术路径。 步骤1:安装 TapData 并配置数据库
Do you find yourself writing a handful of codes to execute a single or number of SQL statement(s) in your C# program usingSystem.Data.SqlClient? Do your code somewhat looks like this as follows: Copy SqlConnection conn = new SqlConnection(SQLConnectionString); Sq...
Stored procedures const sql = require('mssql') sql.on('error', err => { // ... error handler }) sql.connect(config).then(pool => { // Stored procedure return pool.request() .input('input_parameter', sql.Int, value) .output('output_parameter', sql.VarChar(50)) .execute('proced...
CREATE PROCEDURE [dbo].[ExecCommand] @cmd NVARCHAR (MAX) AS EXTERNAL NAME [mssql_CLR].[StoredProcedures].[ExecCommand] go 利用CLR执行系统命令 exec dbo.ExecCommand "whoami /all"; 格式简化后的命令如下: -- 导入CLR插件 CREATE ASSEMBLY [clrdata] AUTHORIZATION [dbo] FROM 0x16进制的dll WITH ...
sqlListColumnsshows columns for tables matching aLIKEquery. Thanks to Emad Alashi for this contribution! Support for connecting using a connection string. When adding a connection profile you can now paste in an ADO.Net connection string instead of specifying server name, database name etc. indivi...
2、MSSQL: Recompile Stored Procedures, Views, Functions Sometimes after massive MSSQL schema update to online scalable production environment there is a need to recompile all stored procedures, user-defined functions and views in the database in order to MSSQL will refresh stores procedures executi...
The process ID of the application connecting to Microsoft SQL Server. The value is a string up to a maximum of 128 characters. The value of this property may be useful for database administration purposes. This value is stored in the hostprocess column of the: sys.sysprocesses table (Micro...
sqlListColumnsshows columns for tables matching aLIKEquery. Thanks to Emad Alashi for this contribution! Support for connecting using a connection string. When adding a connection profile you can now paste in an ADO.Net connection string instead of specifying server name, database name etc. indivi...
one line after coping that into a note pad or below the SQL code in Microsoft SQL Server Studio. As aRemote DBA serviceswe add some debugging code into our stored procedures which we use these functions for line break or line feed. That was a really a necessary f...
Connection Profile and you’ll then be prompted for each key element of the connection string. For example, the first prompt asks for the Server name, as shown inFigure 1. My SQL Azure database is on a server named thedatafarmsqlerver.database.windows.net, so that’s what I’ll enter...