Msg 1977, Level 16, State 1, Line 1
Could not create %S_MSG ‘%.*ls’ on table ‘%.*ls’. Only XML Index can be created on XML column ‘%.*ls’.
This error message appears when you try to create a relational index for a column of the XML data type.
The T-SQL statement can be parsed, but causes the error at runtime.
Error of the Severity Level 16 are generated by the user and can be fixed by the SQL Server user. The statement cannot be executed this way. You can only create XML-indices on XML columns.
This error message was introduced with SQL Server 2005.
IF OBJECT_ID(‘tempdb..#t’) > 0
DROP TABLE #t
CREATE TABLE #t
CONSTRAINT CIX_t_id PRIMARY KEY,
CREATE PRIMARY XML INDEX IX_XML_t_c1
ALTER INDEX CIX_t_id ON #t
CREATE UNIQUE CLUSTERED INDEX CIX_t_id
DROP_EXISTING = ON,
ONLINE = ON);
In the above example we try to create a relational index for an XML column. This raises the error.