This column is populated with the values passed by the application rather than the displayed name of the program. 10 Yes ClientProcessID int ID assigned by the host computer to the process where the client application is running. Enabling Snapshot Isolation Not necessarily specific to SQLAlchemy, SQL Server has a default transaction isolation mode that locks entire tables, and causes even mildly concurrent applications to have long held locks and frequent deadlocks. This is useful when data is being stored in the databases. By specifying the sql:datatype annotation, you can identify the explicit SQL Server data type. It is generally recommended that you specify sql:datatype in the schema. Please refer to individual DBAPI sections for connect information. For more information, see Using ADO to Execute SQLXML 4.0 Queries. Since the character set is identical for NCHAR/NVARCHAR and CHAR/VARCHAR, not specific consideration needs to be given for the «N» character types.
Not only must the XML data be well formed (based on ISO standards), but it must also conform to the validation constraints and data type specifications defined by the schema. There are two types of XML indexes that you can create on an XML column: Primary: Indexes all tags, paths, and values, along with such details as node type and document order information. When you send ad hoc query requests, you can specify parameters. In specifying parameters, you can also optionally add parameter facets. However, when considering whether to use the XML data type, you should also be aware of its limitations. This generates two sibling elements that are children of the
You may store schema collections in an xml type column. In this case, to create XML schema collection, perform the following: Retrieve the schema collection from the column by using a SELECT statement and assign it to a variable of xml type, or a varchar type. The xsd:type affects the document that is returned from the server and also the XPath query that is executed. Somewhat old thread I know, but I was looking for something like this and found the original answer very helpful. Because of this, they are globally declared in the schema.