数据源是包含文本文件的目录的完整路径。 schema.ini 文件(描述文本文件的结构)必须与此文本文件存在于相同的目录中。 有关如何创建schema.ini文件的详细信息,请参阅 Jet 数据库引擎 文档。 首先,创建链接服务器。 SQL EXEC sp_addlinkedserver txtsrv, N'Jet 4.0', N'Microsoft.Jet.OLEDB.4.0', N...
in all new user-defined databases, add it tomodel. After an alias data type is created, you can use it inCREATE TABLEorALTER TABLE, and also bind defaults and rules to the alias data type. All scalar alias data types that are created by usingsp_addtypeare contained in thedboschema. ...
To maintain backward compatibility with earlier versions of SQL Server,sp_addapproledoes the following checks: If a schema with the same name as the application role doesn't already exist, the schema is created. The new schema is owned by the application role, and it's the default sc...
When a column is dropped, sysarticlecolumns must be updated to prevent new DML statements from including the dropped column, which would cause the distribution agent to fail. The @replicate_ddl parameter is ignored because replication must always replicate the schema change. When a co...
The database role of which the new user becomes a member.@grpnameissysname, with a default ofNULL.@grpnamemust be a valid database role in the current database. Return code values 0(success) or1(failure). Remarks sp_adduseralso creates a schema that's the name of the user. ...
La source de données est le chemin d'accès complet au répertoire qui contient les fichiers texte. Un fichier schema.ini, qui décrit la structure des fichiers texte, doit se trouver dans le même répertoire que les fichiers texte. Pour plus d’informations sur la création d’un fichier...
The @username and @password are the credentials the account uses for the SMTP server, not credentials for SQL Server or the network that the computer is on.The stored procedure sysmail_add_account_sp is in the msdb database and is owned by the dbo schema. The procedure must be executed ...
Note Creation scripts aren't run on SQL Server Compact Subscribers.[ @schema_option = ] schema_optionA bitmap of the schema generation option for the given article. @schema_option is varbinary(8), and can be the | (Bitwise OR) product of one or more of these values....
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In this post, I want to show you some of the components that are added to your SQL Server when you install the Polybase feature and where they reside.\n Introduction:\n Polybase is a new feature with SQL 2016 that allows you to query external Hadoop data and dat...