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HOST_ID (Transact-SQL)

Returns the workstation identification number.

This feature has changed from earlier versions of SQL Server. For more information, see Behavior Changes to Database Engine Features in SQL Server 2005.

Topic link icon Transact-SQL Syntax Conventions



When the parameter to a system function is optional, the current database, host computer, server user, or database user is assumed. Built-in functions must always be followed by parentheses.

System functions can be used in the select list, in the WHERE clause, and anywhere an expression is allowed.

The following example creates a table that uses HOST_ID() in a DEFAULT definition to record the terminal ID of computers that insert rows into a table recording orders.

   (OrderID     int       PRIMARY KEY,
    CustomerID  nchar(5)  REFERENCES Customers(CustomerID),
    TerminalID  char(8)   NOT NULL DEFAULT HOST_ID(),
    OrderDate   datetime  NOT NULL,
    ShipDate    datetime  NULL,
    ShipperID   int       NULL REFERENCES Shippers(ShipperID));
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